import java.util.Arrays; import java.util.Comparator; import java.util.Scanner; public class sze { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int m = scanner.nextInt(); Task[] tasks = new Task[n]; int minP = Integer.MAX_VALUE, maxK = Integer.MIN_VALUE, len = 0; for (int i = 0; i < n; i++) { int p = scanner.nextInt(); int k = scanner.nextInt(); int c = scanner.nextInt(); if (p < minP) { minP = p; } if (k > maxK) { maxK = k; } len += c; tasks[i] = new Task(p, k, c); } // Too much work if ((maxK - minP) * m < len) { System.out.println("NIE"); return; } Comparator<Task> deltaComparator = (o1, o2) -> o1.delta - o2.delta; Task[] prioritizedTasks = new Task[n]; Task[] prioritizedTasksTmp = new Task[n]; Task[] prioritizedTasksBuf; int prioritizedTaskIdx; int prioritizedTaskTmpIdx = 0; // Sort tasks by possible starting point Arrays.sort(tasks, (o1, o2) -> o1.p - o2.p); boolean prioritize = false; int taskIdx = 0, tasksCompleted = 0; for (int i = minP; i <= maxK; ++i) { prioritizedTasksBuf = prioritizedTasks; prioritizedTasks = prioritizedTasksTmp; prioritizedTasksTmp = prioritizedTasksBuf; prioritizedTaskIdx = prioritizedTaskTmpIdx; prioritizedTaskTmpIdx = 0; while (taskIdx < n && tasks[taskIdx].p == i) { prioritizedTasks[prioritizedTaskIdx++] = tasks[taskIdx++]; prioritize = true; } if (prioritize) { Arrays.sort(prioritizedTasks, 0, prioritizedTaskIdx, deltaComparator); } prioritize = false; int procIdx = 0; for (int j = 0; j < prioritizedTaskIdx; j++) { Task task = prioritizedTasks[j]; if (i >= task.k) { System.out.println("NIE"); return; } if (procIdx < m) { task.c -= 1; if (task.c == 0) { // Task completed tasksCompleted += 1; if (tasksCompleted == n) { System.out.println("TAK"); return; } } else { prioritizedTasksTmp[prioritizedTaskTmpIdx++] = task; } } else { task.delta -= 1; if (task.delta < 0) { System.out.println("NIE"); return; } // Update task prioritizedTasksTmp[prioritizedTaskTmpIdx++] = task; prioritize = true; } procIdx += 1; } } System.out.println(prioritizedTaskTmpIdx == 0 ? "TAK" : "NIE"); } static class Task { int p; int k; int c; int delta; Task(int pp, int kk, int cc) { p = pp; k = kk; c = cc; delta = k - p - c; } @Override public String toString() { return "P: " + p + " K: " + k + " C: " + c + " D: " + delta; } } }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | import java.util.Arrays; import java.util.Comparator; import java.util.Scanner; public class sze { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int m = scanner.nextInt(); Task[] tasks = new Task[n]; int minP = Integer.MAX_VALUE, maxK = Integer.MIN_VALUE, len = 0; for (int i = 0; i < n; i++) { int p = scanner.nextInt(); int k = scanner.nextInt(); int c = scanner.nextInt(); if (p < minP) { minP = p; } if (k > maxK) { maxK = k; } len += c; tasks[i] = new Task(p, k, c); } // Too much work if ((maxK - minP) * m < len) { System.out.println("NIE"); return; } Comparator<Task> deltaComparator = (o1, o2) -> o1.delta - o2.delta; Task[] prioritizedTasks = new Task[n]; Task[] prioritizedTasksTmp = new Task[n]; Task[] prioritizedTasksBuf; int prioritizedTaskIdx; int prioritizedTaskTmpIdx = 0; // Sort tasks by possible starting point Arrays.sort(tasks, (o1, o2) -> o1.p - o2.p); boolean prioritize = false; int taskIdx = 0, tasksCompleted = 0; for (int i = minP; i <= maxK; ++i) { prioritizedTasksBuf = prioritizedTasks; prioritizedTasks = prioritizedTasksTmp; prioritizedTasksTmp = prioritizedTasksBuf; prioritizedTaskIdx = prioritizedTaskTmpIdx; prioritizedTaskTmpIdx = 0; while (taskIdx < n && tasks[taskIdx].p == i) { prioritizedTasks[prioritizedTaskIdx++] = tasks[taskIdx++]; prioritize = true; } if (prioritize) { Arrays.sort(prioritizedTasks, 0, prioritizedTaskIdx, deltaComparator); } prioritize = false; int procIdx = 0; for (int j = 0; j < prioritizedTaskIdx; j++) { Task task = prioritizedTasks[j]; if (i >= task.k) { System.out.println("NIE"); return; } if (procIdx < m) { task.c -= 1; if (task.c == 0) { // Task completed tasksCompleted += 1; if (tasksCompleted == n) { System.out.println("TAK"); return; } } else { prioritizedTasksTmp[prioritizedTaskTmpIdx++] = task; } } else { task.delta -= 1; if (task.delta < 0) { System.out.println("NIE"); return; } // Update task prioritizedTasksTmp[prioritizedTaskTmpIdx++] = task; prioritize = true; } procIdx += 1; } } System.out.println(prioritizedTaskTmpIdx == 0 ? "TAK" : "NIE"); } static class Task { int p; int k; int c; int delta; Task(int pp, int kk, int cc) { p = pp; k = kk; c = cc; delta = k - p - c; } @Override public String toString() { return "P: " + p + " K: " + k + " C: " + c + " D: " + delta; } } } |