day 18 part 1
This commit is contained in:
parent
6fa8fe6d87
commit
76cf560634
2 changed files with 138 additions and 0 deletions
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@ -20,6 +20,9 @@
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26BD8865258B2D5300E92A8E /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26BD8864258B2D5300E92A8E /* main.swift */; };
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26BD887A258B2D5A00E92A8E /* Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2ACE5257ED09000702405 /* Extensions.swift */; };
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26BD887B258B2D5A00E92A8E /* LoadData.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2AD3A2581713A00702405 /* LoadData.swift */; };
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26BD88A5258C818300E92A8E /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26BD88A4258C818300E92A8E /* main.swift */; };
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26BD88BB258C818E00E92A8E /* LoadData.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2AD3A2581713A00702405 /* LoadData.swift */; };
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26BD88BC258C818E00E92A8E /* Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2ACE5257ED09000702405 /* Extensions.swift */; };
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26E2ACD8257ECFFA00702405 /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2ACD7257ECFFA00702405 /* main.swift */; };
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26E2ACE6257ED09000702405 /* Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2ACE5257ED09000702405 /* Extensions.swift */; };
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26E2ACE7257ED09000702405 /* Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 26E2ACE5257ED09000702405 /* Extensions.swift */; };
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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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26BD88A0258C818300E92A8E /* 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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26E2ACD3257ECFFA00702405 /* CopyFiles */ = {
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isa = PBXCopyFilesBuildPhase;
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buildActionMask = 2147483647;
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@ -235,6 +247,8 @@
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268D9588257CB8DA0030EC4D /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
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26BD8862258B2D5300E92A8E /* day17 */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = day17; sourceTree = BUILT_PRODUCTS_DIR; };
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26BD8864258B2D5300E92A8E /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
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26BD88A2258C818300E92A8E /* day18 */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = day18; sourceTree = BUILT_PRODUCTS_DIR; };
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26BD88A4258C818300E92A8E /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
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26E2ACD5257ECFFA00702405 /* day8 */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = day8; sourceTree = BUILT_PRODUCTS_DIR; };
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26E2ACD7257ECFFA00702405 /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
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26E2ACE5257ED09000702405 /* Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Extensions.swift; sourceTree = "<group>"; };
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@ -319,6 +333,13 @@
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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26BD889F258C818300E92A8E /* 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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26E2ACD2257ECFFA00702405 /* Frameworks */ = {
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isa = PBXFrameworksBuildPhase;
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buildActionMask = 2147483647;
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@ -415,6 +436,7 @@
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26E2AE0B2587E07A00702405 /* day15 */,
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261C554625895FB70035FEC0 /* day16 */,
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26BD8863258B2D5300E92A8E /* day17 */,
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26BD88A3258C818300E92A8E /* day18 */,
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268D953A25781DD80030EC4D /* Products */,
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);
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sourceTree = "<group>";
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@ -439,6 +461,7 @@
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26E2AE0A2587E07A00702405 /* day15 */,
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261C554525895FB70035FEC0 /* day16 */,
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26BD8862258B2D5300E92A8E /* day17 */,
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26BD88A2258C818300E92A8E /* day18 */,
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);
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name = Products;
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sourceTree = "<group>";
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@ -499,6 +522,14 @@
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path = day17;
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sourceTree = "<group>";
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};
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26BD88A3258C818300E92A8E /* day18 */ = {
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isa = PBXGroup;
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children = (
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26BD88A4258C818300E92A8E /* main.swift */,
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);
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path = day18;
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sourceTree = "<group>";
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};
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26E2ACD6257ECFFA00702405 /* day8 */ = {
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isa = PBXGroup;
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children = (
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@ -728,6 +759,23 @@
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productReference = 26BD8862258B2D5300E92A8E /* day17 */;
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productType = "com.apple.product-type.tool";
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};
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26BD88A1258C818300E92A8E /* day18 */ = {
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isa = PBXNativeTarget;
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buildConfigurationList = 26BD88A8258C818300E92A8E /* Build configuration list for PBXNativeTarget "day18" */;
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buildPhases = (
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26BD889E258C818300E92A8E /* Sources */,
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26BD889F258C818300E92A8E /* Frameworks */,
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26BD88A0258C818300E92A8E /* 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 = day18;
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productName = day18;
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productReference = 26BD88A2258C818300E92A8E /* day18 */;
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productType = "com.apple.product-type.tool";
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};
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26E2ACD4257ECFFA00702405 /* day8 */ = {
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isa = PBXNativeTarget;
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buildConfigurationList = 26E2ACDB257ECFFA00702405 /* Build configuration list for PBXNativeTarget "day8" */;
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@ -900,6 +948,9 @@
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26BD8861258B2D5300E92A8E = {
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CreatedOnToolsVersion = 12.3;
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};
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26BD88A1258C818300E92A8E = {
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CreatedOnToolsVersion = 12.3;
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};
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26E2ACD4257ECFFA00702405 = {
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CreatedOnToolsVersion = 12.2;
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};
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@ -956,6 +1007,7 @@
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26E2AE092587E07A00702405 /* day15 */,
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261C554425895FB70035FEC0 /* day16 */,
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26BD8861258B2D5300E92A8E /* day17 */,
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26BD88A1258C818300E92A8E /* day18 */,
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);
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};
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/* End PBXProject section */
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@ -1051,6 +1103,16 @@
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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26BD889E258C818300E92A8E /* Sources */ = {
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buildActionMask = 2147483647;
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files = (
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26BD88A5258C818300E92A8E /* main.swift in Sources */,
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26BD88BC258C818E00E92A8E /* Extensions.swift in Sources */,
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26BD88BB258C818E00E92A8E /* LoadData.swift in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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26E2ACD1257ECFFA00702405 /* Sources */ = {
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buildActionMask = 2147483647;
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@ -1465,6 +1527,28 @@
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};
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name = Release;
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};
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26BD88A6258C818300E92A8E /* 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 = "$(TARGET_NAME)";
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SWIFT_VERSION = 5.0;
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};
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name = Debug;
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};
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26BD88A7258C818300E92A8E /* Release */ = {
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isa = XCBuildConfiguration;
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buildSettings = {
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CODE_SIGN_STYLE = Automatic;
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DEVELOPMENT_TEAM = 722B335UM5;
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ENABLE_HARDENED_RUNTIME = YES;
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PRODUCT_NAME = "$(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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26E2ACD9257ECFFA00702405 /* Debug */ = {
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isa = XCBuildConfiguration;
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buildSettings = {
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@ -1750,6 +1834,15 @@
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defaultConfigurationIsVisible = 0;
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defaultConfigurationName = Release;
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};
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26BD88A8258C818300E92A8E /* Build configuration list for PBXNativeTarget "day18" */ = {
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isa = XCConfigurationList;
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buildConfigurations = (
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26BD88A6258C818300E92A8E /* Debug */,
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26BD88A7258C818300E92A8E /* 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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26E2ACDB257ECFFA00702405 /* Build configuration list for PBXNativeTarget "day8" */ = {
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isa = XCConfigurationList;
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buildConfigurations = (
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45
day18/main.swift
Normal file
45
day18/main.swift
Normal file
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@ -0,0 +1,45 @@
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import Foundation
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let input = loadData(day: 18)
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let scanner = Scanner(string: input)
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extension Scanner {
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func primary() -> Int? {
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if let num = scanInt() {
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return num
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}
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if string("(") {
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let result = expression()
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if !string(")") {
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fatalError()
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}
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return result
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}
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return nil
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}
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func op() -> String? {
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scanString("+") ?? scanString("*")
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}
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func expression() -> Int? {
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guard var result = primary() else { return nil }
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while let op = self.op() {
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guard let second = primary() else { fatalError() }
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switch op {
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case "+": result += second
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case "*": result *= second
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default: fatalError()
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}
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}
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return result
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}
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}
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var result = 0
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while let e = scanner.expression() {
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result += e
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}
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print(result)
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