Submission #683592

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
683592	2023-01-18 19:45:33	rainboy	Arranging Tickets (JOI17_arranging_tickets)	C11	10 / 100	172 ms	316 KiB

arranging_tickets

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#include <stdio.h>
#include <string.h>
#define N 100000
#define M 200000
#define INF 0x3f3f3f3f
int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }
int main() {
  static int xx[N], yy[N], cc[N], dd[M];
  int n, m, i, b, a, tmp, ans, x;
  scanf("%d%d", &m, &n);
  for (i = 0; i < n; i++) {
    scanf("%d%d%d", &xx[i], &yy[i], &cc[i]), xx[i]--, yy[i]--;
    if (xx[i] > yy[i])
      tmp = xx[i], xx[i] = yy[i], yy[i] = tmp;
  }
  ans = INF;
  for (b = 0; b < 1 << n; b++) {
    memset(dd, 0, m * sizeof *dd);
    for (i = 0; i < n; i++)
      if ((b & 1 << i) == 0)
        dd[xx[i]]++, dd[yy[i]]--;
      else
        dd[0]++, dd[xx[i]]--, dd[yy[i]]++;
    for (a = 1; a < m; a++)
      dd[a] += dd[a - 1];
 
 
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Compilation message (stderr)

arranging_tickets.c: In function 'main':
arranging_tickets.c:15:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  scanf("%d%d", &m, &n);
      |  ^~~~~~~~~~~~~~~~~~~~~
arranging_tickets.c:17:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   scanf("%d%d%d", &xx[i], &yy[i], &cc[i]), xx[i]--, yy[i]--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 35
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 15