제출 #381920

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
381920	2021-03-26 07:07:30	VEGAnn	Janjetina (COCI21_janjetina)	C++14	15 / 110	16 ms	748 KiB

Main

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#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
#define PB push_back
#define i2 array<int,2>
using namespace std;
typedef long long ll;
const int MX = int(1e7) + 10;
const int oo = 2e9;
const int N = 2010;
vector<i2> g[N];
int n, k, ans;
void dfs(int v, int p, int mx, int len){
    if (mx - len >= k)
        ans++;
    for (i2 u : g[v]){
        if (u[0] == p) continue;
        dfs(u[0], v, max(mx, u[1]), len + 1);
    }
}
int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#endif // _LOCAL
 
 
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