제출 #823991

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
823991	2023-08-13 11:12:04	rainboy	Travelling Trader (CCO23_day2problem2)	C11	11 / 25	129 ms	29732 KiB

Main

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#include <stdio.h>
#include <stdlib.h>
#define N 200000
long long max(long long a, long long b) { return a > b ? a : b; }
int *ej[N], eo[N], ww[N], n;
void append(int i, int j) {
  int o = eo[i]++;
  if (o >= 2 && (o & o - 1) == 0)
    ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
  ej[i][o] = j;
}
long long dp[N], dq[N]; int jj[N], jjp1[N], jjp2[N], jjq[N];
int qu[N], cnt;
void dfs1(int p, int i) {
  int o, j_;
  j_ = -1;
  for (o = eo[i]; o--; ) {
    int j = ej[i][o];
    if (j != p) {
      dfs1(i, j);
      if (j_ == -1 || dp[j_] < dp[j])
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.c: In function 'append':
Main.c:13:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   13 |  if (o >= 2 && (o & o - 1) == 0)
      |                     ~~^~~
Main.c: In function 'main':
Main.c:135:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  135 |  scanf("%d%d", &n, &k);
      |  ^~~~~~~~~~~~~~~~~~~~~
Main.c:139:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  139 |   scanf("%d%d", &i, &j), i--, j--;
      |   ^~~~~~~~~~~~~~~~~~~~~
Main.c:143:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  143 |   scanf("%d", &ww[i]);
      |   ^~~~~~~~~~~~~~~~~~~

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