Day 12
This commit is contained in:
parent
32df9eeb06
commit
34ca4c3fc2
2 changed files with 158 additions and 0 deletions
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@ -40,6 +40,9 @@
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26E2AD56258343D800702405 /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2AD55258343D800702405 /* main.swift */; };
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26E2AD65258343E300702405 /* Scanner+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2ACE5257ED09000702405 /* Scanner+Extensions.swift */; };
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26E2AD71258343E600702405 /* LoadData.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2AD3A2581713A00702405 /* LoadData.swift */; };
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26E2AD842584A61F00702405 /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2AD832584A61F00702405 /* main.swift */; };
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26E2AD942584A63300702405 /* Scanner+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2ACE5257ED09000702405 /* Scanner+Extensions.swift */; };
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26E2AD952584A63300702405 /* LoadData.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2AD3A2581713A00702405 /* LoadData.swift */; };
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/* End PBXBuildFile section */
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/* Begin PBXCopyFilesBuildPhase section */
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@ -142,6 +145,15 @@
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);
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runOnlyForDeploymentPostprocessing = 1;
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};
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26E2AD7F2584A61F00702405 /* CopyFiles */ = {
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isa = PBXCopyFilesBuildPhase;
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buildActionMask = 2147483647;
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dstPath = /usr/share/man/man1/;
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dstSubfolderSpec = 0;
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files = (
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);
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runOnlyForDeploymentPostprocessing = 1;
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};
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/* End PBXCopyFilesBuildPhase section */
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/* Begin PBXFileReference section */
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@ -169,6 +181,8 @@
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26E2AD3A2581713A00702405 /* LoadData.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoadData.swift; sourceTree = "<group>"; };
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26E2AD53258343D800702405 /* day11 */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = day11; sourceTree = BUILT_PRODUCTS_DIR; };
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26E2AD55258343D800702405 /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
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26E2AD812584A61F00702405 /* day12 */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = day12; sourceTree = BUILT_PRODUCTS_DIR; };
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26E2AD832584A61F00702405 /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
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/* End PBXFileReference section */
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/* Begin PBXFrameworksBuildPhase section */
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@ -249,6 +263,13 @@
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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26E2AD7E2584A61F00702405 /* Frameworks */ = {
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isa = PBXFrameworksBuildPhase;
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buildActionMask = 2147483647;
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files = (
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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/* End PBXFrameworksBuildPhase section */
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/* Begin PBXGroup section */
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@ -275,6 +296,7 @@
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26E2ACFB258009FE00702405 /* day9 */,
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26E2AD1F25816EE100702405 /* day10 */,
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26E2AD54258343D800702405 /* day11 */,
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26E2AD822584A61F00702405 /* day12 */,
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268D953A25781DD80030EC4D /* Products */,
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);
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sourceTree = "<group>";
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@ -293,6 +315,7 @@
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26E2ACFA258009FE00702405 /* day9 */,
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26E2AD1E25816EE100702405 /* day10 */,
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26E2AD53258343D800702405 /* day11 */,
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26E2AD812584A61F00702405 /* day12 */,
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);
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name = Products;
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sourceTree = "<group>";
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@ -386,6 +409,14 @@
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path = day11;
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sourceTree = "<group>";
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};
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26E2AD822584A61F00702405 /* day12 */ = {
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isa = PBXGroup;
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children = (
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26E2AD832584A61F00702405 /* main.swift */,
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);
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path = day12;
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sourceTree = "<group>";
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};
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/* End PBXGroup section */
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/* Begin PBXNativeTarget section */
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@ -576,6 +607,23 @@
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productReference = 26E2AD53258343D800702405 /* day11 */;
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productType = "com.apple.product-type.tool";
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};
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26E2AD802584A61F00702405 /* day12 */ = {
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isa = PBXNativeTarget;
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buildConfigurationList = 26E2AD872584A61F00702405 /* Build configuration list for PBXNativeTarget "day12" */;
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buildPhases = (
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26E2AD7D2584A61F00702405 /* Sources */,
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26E2AD7E2584A61F00702405 /* Frameworks */,
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26E2AD7F2584A61F00702405 /* CopyFiles */,
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);
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buildRules = (
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);
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dependencies = (
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);
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name = day12;
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productName = day12;
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productReference = 26E2AD812584A61F00702405 /* day12 */;
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productType = "com.apple.product-type.tool";
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};
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/* End PBXNativeTarget section */
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/* Begin PBXProject section */
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@ -618,6 +666,9 @@
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26E2AD52258343D800702405 = {
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CreatedOnToolsVersion = 12.2;
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};
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26E2AD802584A61F00702405 = {
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CreatedOnToolsVersion = 12.2;
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};
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};
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};
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buildConfigurationList = 268D953425781DD80030EC4D /* Build configuration list for PBXProject "AdventOfCode2020" */;
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@ -644,6 +695,7 @@
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26E2ACF9258009FE00702405 /* day9 */,
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26E2AD1D25816EE100702405 /* day10 */,
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26E2AD52258343D800702405 /* day11 */,
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26E2AD802584A61F00702405 /* day12 */,
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);
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};
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/* End PBXProject section */
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@ -759,6 +811,16 @@
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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26E2AD7D2584A61F00702405 /* Sources */ = {
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isa = PBXSourcesBuildPhase;
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buildActionMask = 2147483647;
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files = (
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26E2AD942584A63300702405 /* Scanner+Extensions.swift in Sources */,
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26E2AD842584A61F00702405 /* main.swift in Sources */,
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26E2AD952584A63300702405 /* LoadData.swift in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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/* End PBXSourcesBuildPhase section */
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/* Begin XCBuildConfiguration section */
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@ -1119,6 +1181,28 @@
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};
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name = Release;
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};
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26E2AD852584A61F00702405 /* Debug */ = {
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isa = XCBuildConfiguration;
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buildSettings = {
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CODE_SIGN_STYLE = Automatic;
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DEVELOPMENT_TEAM = 722B335UM5;
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ENABLE_HARDENED_RUNTIME = YES;
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PRODUCT_NAME = "$(TARGET_NAME)";
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SWIFT_VERSION = 5.0;
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};
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name = Debug;
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};
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26E2AD862584A61F00702405 /* Release */ = {
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isa = XCBuildConfiguration;
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buildSettings = {
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CODE_SIGN_STYLE = Automatic;
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DEVELOPMENT_TEAM = 722B335UM5;
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ENABLE_HARDENED_RUNTIME = YES;
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PRODUCT_NAME = "$(TARGET_NAME)";
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SWIFT_VERSION = 5.0;
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};
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name = Release;
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};
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/* End XCBuildConfiguration section */
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/* Begin XCConfigurationList section */
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@ -1230,6 +1314,15 @@
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defaultConfigurationIsVisible = 0;
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defaultConfigurationName = Release;
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};
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26E2AD872584A61F00702405 /* Build configuration list for PBXNativeTarget "day12" */ = {
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isa = XCConfigurationList;
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buildConfigurations = (
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26E2AD852584A61F00702405 /* Debug */,
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26E2AD862584A61F00702405 /* Release */,
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);
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defaultConfigurationIsVisible = 0;
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defaultConfigurationName = Release;
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};
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/* End XCConfigurationList section */
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};
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rootObject = 268D953125781DD80030EC4D /* Project object */;
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65
day12/main.swift
Normal file
65
day12/main.swift
Normal file
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@ -0,0 +1,65 @@
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import Foundation
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let input = loadData(day: 12)
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let scanner = Scanner(string: input)
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var position = (north: 0, east: 0)
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var waypoint = (north: 1, east: 10)
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var direction = 0
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/*
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while !scanner.isAtEnd {
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guard let instruction = scanner.scanCharacter(), let value = scanner.scanInt() else {
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fatalError("Invalid input")
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}
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switch instruction {
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case "N": position.north += value
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case "S": position.north -= value
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case "E": position.east += value
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case "W": position.east -= value
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case "L": direction = (360 + direction - value) % 360
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case "R": direction = (direction + value) % 360
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case "F":
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switch direction {
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case 0: position.east += value
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case 90: position.north -= value
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case 180: position.east -= value
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case 270: position.north += value
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default: fatalError("Invalid direction")
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}
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default: fatalError("Invalid command")
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}
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}
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*/
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func turn(_ degrees: Int) -> (north: Int, east: Int) {
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switch degrees {
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case 0: return waypoint
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case 90: return (-waypoint.east, waypoint.north)
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case 180: return (-waypoint.north, -waypoint.east)
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case 270: return (waypoint.east, -waypoint.north)
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default: fatalError("Invalid direction")
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}
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}
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while !scanner.isAtEnd {
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guard let instruction = scanner.scanCharacter(), let value = scanner.scanInt() else {
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fatalError("Invalid input")
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}
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switch instruction {
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case "N": waypoint.north += value
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case "S": waypoint.north -= value
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case "E": waypoint.east += value
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case "W": waypoint.east -= value
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case "R": waypoint = turn(value)
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case "L": waypoint = turn(360 - value)
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case "F":
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position.north += value * waypoint.north
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position.east += value * waypoint.east
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default: fatalError("Invalid command")
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}
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}
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print(abs(position.north) + abs(position.east))
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