제출 #59308

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
59308	2018-07-21 13:10:24	thiago4532	철인 이종 경기 (APIO18_duathlon)	C++17	23 / 100	164 ms	17472 KiB

count_triplets

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#include <bits/stdc++.h>
#define int long long
using namespace std;
const int maxn = 1e5 + 10, inf = 0x3f3f3f3f;
vector<int> grafo[maxn];
int sz[maxn];
int mark[maxn];
bool test[maxn];
void dfs(int u, int p=0){
  if(mark[u]) return;
  mark[u] = true;
  sz[u] = 1;
  for(auto v : grafo[u]){
    if(v == p) continue;
    dfs(v, u);
    sz[u] += sz[v];
  }
}
int ans;
void solve(int u, int p=0, int acc=0){
  if(test[u]) return;
  test[u] = true;
  ans += (2 * acc * (sz[u] - 1));
  for(auto v : grafo[u]){
 
 
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컴파일 시 표준 에러 (stderr) 메시지

count_triplets.cpp:37:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

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