제출 #203728

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
203728	2020-02-22 01:49:54	Segtree	Duathlon (APIO18_duathlon)	C++14	8 / 100	145 ms	10232 KiB

count_triplets

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#include<iostream>
#include<algorithm>
#include<vector>
#include<set>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
#define rep(i,n) for(int i=0;i<n;i++)
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
#define N 100010
ll n,m;
vector<ll> g[N];
ll vcnt,ecnt;
bool vis[N];
void dfs(ll x){
  if(vis[x])return;
  vis[x]=1; vcnt++;
  for(auto y:g[x]){
    ecnt++;
    dfs(y);
  }
}
int main(){
  ll n,m; cin>>n>>m;
  rep(i,m){
    ll a,b; cin>>a>>b;
    a--,b--;
    g[a].push_back(b);
    g[b].push_back(a);
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 11
• Subtask 3: 8 / 8
• Subtask 4: 0 / 10
• Subtask 5: 0 / 13
• Subtask 6: 0 / 15
• Subtask 7: 0 / 20
• Subtask 8: 0 / 8
• Subtask 9: 0 / 10