Submission #684593

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
684593	2023-01-21 22:43:20	rainboy	Arranging Tickets (JOI17_arranging_tickets)	C11	45 / 100	115 ms	460 KiB

arranging_tickets

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#include <stdio.h>
#include <string.h>
#define N 200000
#define M 100000
#define INF 0x3f3f3f3f3f3f3f3fLL
long long min(long long a, long long b) { return a < b ? a : b; }
long long max(long long a, long long b) { return a > b ? a : b; }
int main() {
  static int ll[M], rr[M], cc[M];
  static long long ww[N], dd[N], dd_[N];
  int n, m, h, i, j, r, tmp;
  long long w, x, y, z, ans;
  scanf("%d%d", &n, &m), n--;
  x = 0;
  for (h = 0; h < m; h++) {
    scanf("%d%d%d", &ll[h], &rr[h], &cc[h]), ll[h]--, rr[h]--;
    if (ll[h] > rr[h])
      tmp = ll[h], ll[h] = rr[h], rr[h] = tmp;
    dd[ll[h]] += cc[h], dd[rr[h]] -= cc[h];
    x += cc[h];
  }
  for (i = 1; i < n; i++)
    dd[i] += dd[i - 1];
  w = -INF;
  for (i = 0; i < n; i++)
    w = max(w, -dd[i]);
 
 
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Compilation message (stderr)

arranging_tickets.c: In function 'main':
arranging_tickets.c:17:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |  scanf("%d%d", &n, &m), n--;
      |  ^~~~~~~~~~~~~~~~~~~~~
arranging_tickets.c:20:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |   scanf("%d%d%d", &ll[h], &rr[h], &cc[h]), ll[h]--, rr[h]--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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