제출 #741221

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
741221	2023-05-13 21:38:56	rainboy	Museum (CEOI17_museum)	C11	100 / 100	205 ms	2248 KiB

museum

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define N 10000
#define INF 0x3f3f3f3f
int min(int a, int b) { return a < b ? a : b; }
int *ej[N], *ec[N], eo[N];
void append(int i, int j, int c) {
  int o = eo[i]++;
  if (o >= 2 && (o & o - 1) == 0) {
    ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
    ec[i] = (int *) realloc(ec[i], o * 2 * sizeof *ec[i]);
  }
  ej[i][o] = j, ec[i][o] = c;
}
int *dp[N], *dq[N], sz[N];
void dfs(int p, int c_, int i) {
  int o, s, s1, s2;
  sz[i] = 1;
  for (o = eo[i]; o--; ) {
    int j = ej[i][o], c = ec[i][o];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

museum.c: In function 'append':
museum.c:15:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   15 |  if (o >= 2 && (o & o - 1) == 0) {
      |                     ~~^~~
museum.c: In function 'main':
museum.c:63:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |  scanf("%d%d%d", &n, &k, &r), r--;
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
museum.c:69:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |   scanf("%d%d%d", &i, &j, &c), i--, j--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 35 / 35
• Subtask 4: 20 / 20