Submission #1017452

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>

int main(void) {
  int n;
  int *x[2];
  int *y[2];
  int i, j, k;
  scanf("%d", &n);
  for (i = 0; i < 2; i++)
    x[i] = (int*)malloc(n * sizeof(int));
  for (i = 0; i < 2; i++)
    y[i] = (int*)malloc(n * sizeof(int));
  for (i = 0; i < n; i++) {
    char tim[10];
    char tmp[5];
    scanf("%s", tim);
    for (j = 0; j < 4; j++) {
      tmp[j] = tim[j];
      x[0][i] = atoi(tmp);
    }
    x[0][i] -= (x[0][i] % 5);

    for (j = 5; j < 9; j++) {
      tmp[j - 5] = tim[j];
      x[1][i] = atoi(tmp);
    }
    if (x[1][i] % 5) {
      x[1][i] -= (x[1][i] % 5);
      x[1][i] += 5;
      if (x[1][i] % 100 == 60)
        x[1][i] += 40;
    }
  }

  for (i = 0; i < n - 1; i++)
    for (j = i + 1; j < n; j++)
      if (*(x[1] + i) > *(x[1] + j))
        for (k = 0; k < 2; k++) {
          int tmp = *(x[k] + i);
          *(x[k] + i) = *(x[k] + j);
          *(x[k] + j) = tmp;
      }

  int last = x[1][n-1];

  for (i = 0; i < n - 1; i++)
    for (j = i + 1; j < n; j++)
      if (*(x[0] + i) > *(x[0] + j))
        for (k = 0; k < 2; k++) {
          int tmp = *(x[k] + i);
          *(x[k] + i) = *(x[k] + j);
          *(x[k] + j) = tmp;
      }
  y[0][0] = x[0][0];
  y[1][0] = x[1][0];
  i = 0;
  for (j = 0; j < n; j++) {
    if (y[1][i] < x[0][j]) {
      y[0][i + 1] = x[0][j];
      y[1][i + 1] = x[1][j];
      i++;
    } else {
      if (y[1][i] < x[1][j])
        y[1][i] = x[1][j];
    }
    if (y[1][i] == last) {
      for (j = 0; j <= i; j++)
        printf("%04d-%04d\n", y[0][j], y[1][j]);
      return 0;
    }
  }
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:9:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:17:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result