제출 #434075

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
434075	2021-06-20 14:43:36	rainboy	Regions (IOI09_regions)	C11	100 / 100	2923 ms	17180 KiB

regions

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#include <stdio.h>
#include <stdlib.h>
#define N 200000
#define R 25000
#define K 450
#define S 450
int ta[N], tb[N];
int main() {
  static int pp[N], rr[N], qu[N], uu[N], dd[N], *iii[R], kk[R], ss[R], uuu[S][R], ddd[S][R];
  int n, r_, q, r, s, i, j;
  scanf("%d%d%d", &n, &r_, &q);
  for (i = 0; i < n; i++) {
    if (i > 0)
      scanf("%d", &pp[i]), pp[i]--;
    scanf("%d", &rr[i]), rr[i]--;
    kk[rr[i]]++;
  }
  for (i = n - 1; i >= 0; i--) {
    tb[i]++;
    if (i > 0)
      tb[pp[i]] += tb[i];
  }
  for (i = 0; i < n; i++) {
    if (i == 0)
      ta[i] = 0, tb[i] = 1;
    else
 
 
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컴파일 시 표준 에러 (stderr) 메시지

regions.c: In function 'main':
regions.c:15:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  scanf("%d%d%d", &n, &r_, &q);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
regions.c:18:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |    scanf("%d", &pp[i]), pp[i]--;
      |    ^~~~~~~~~~~~~~~~~~~
regions.c:19:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   scanf("%d", &rr[i]), rr[i]--;
      |   ^~~~~~~~~~~~~~~~~~~
regions.c:57:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |   scanf("%d%d", &r1, &r2), r1--, r2--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 85 / 85