Submission #108642

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Source Code Expand

#include <stdio.h>

#define MAXN 30000

struct data {
  int bt;
  int at;
};

typedef struct data data_t;

int swap(data_t *x, data_t *y)
{
  data_t d;

  d.bt = x->bt;
  d.at = x->at;

  x->bt = y->bt;
  x->at = y->at;

  y->bt = d.bt;
  y->at = d.at;

  return 0;
}

int sort_a(int n, data_t *dt)
{
  int i, f = 0;
  for (i = 0; i < n - 1; i++) {
    if (dt[i].at > dt[i+1].at) {
      f = 1;
      swap(&dt[i], &dt[i+1]);
    }
  }
  if (f)
    sort_a(n, dt);

  return 0;
}

int sort_b(int n, data_t *dt)
{
  int i, f = 0;
  for (i = 0; i < n - 1; i++) {
    if (dt[i].bt > dt[i+1].bt) {
      f = 1;
      swap(&dt[i], &dt[i+1]);
    }
  }
  if (f)
    sort_b(n, dt);

  return 0;
}

int tround(int n, data_t *dt)
{
  int i;
  for (i = 0; i < n; i++) {
    if (dt[i].bt % 10 > 0 && dt[i].bt % 10 < 5) {
      dt[i].bt = dt[i].bt - dt[i].bt % 10;
    } else if (dt[i].bt % 10 > 5 && dt[i].bt % 10 <= 9) {
      dt[i].bt = dt[i].bt - dt[i].bt % 10 + 5;
    }

    if (dt[i].at % 10 > 0 && dt[i].at % 10 < 5) {
      dt[i].at = dt[i].at - dt[i].at % 10 + 5;
    } else if (dt[i].at % 10 > 5 && dt[i].at % 10 <= 9) {
      dt[i].at = dt[i].at - dt[i].at % 10 + 10;
      if (dt[i].at % 100 == 60)
	dt[i].at = dt[i].at - 60 + 100;
    }
  }

  return 0;
}

int main(void)
{
  int c, i, n, t, f;
  data_t rd[MAXN], rf[MAXN];

  scanf("%d", &n);

  for (i = 0; i < n; i++) {
    scanf("%d%*c%d", &(rd[i].bt), &(rd[i].at));
  }

  tround(n, rd);
  sort_a(n, rd);
  sort_b(n, rd);

  for (c = 0, i = 0, f = 1; i < n; i++) {
    if (f) {
      if (c == 0) {
        rf[c].bt = rd[i].bt;
	t = rd[i].at;
	f = 0;
      } else {
	if (rf[c - 1].at < rd[i].bt)
        rf[c].bt = rd[i].bt;
	t = rd[i].at;
	f = 0;
      }
    } else {
      if (t >= rd[i].bt && t <= rd[i].at)
	t = rd[i].at;
      else {
        rf[c].at = t;
	c++; f = 1;
      }
    }
  }
  rf[c].at = t;
  rf[c + 1].bt = -1;
  rf[c + 1].at = -1;

  for (i = 0; rf[i].bt != -1 && rf[i].at != -1 ; i++)
    printf("%04d-%04d\n", rf[i].bt, rf[i].at);

  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:85:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:88:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result