제출 #711668

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
711668	2023-03-17 10:58:39	scottchou	Checker (COCI19_checker)	C++17	0 / 110	73 ms	8848 KiB

checker

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#include<bits/stdc++.h>
using namespace std;
int  const N = 2e5 + 5;
vector<int> have[N];
bool instk[N];
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n, t;
    cin >> t;
    cin >> n;
    string s;
    cin >> s;
    int u, v, c;
    for(int i = 0; i < n - 3; i++){
        cin >> u >> v >> c;
        if(u > v)
            swap(u, v);
        have[u].push_back(v);
    }
    vector<int> stk;
    for(int i = 1; i <= n; i++){
        if(instk[i]){
            if(stk.back() != i){
                cout << "neispravna triangulacija\n";
                return 0;
            }else{
                stk.pop_back();
                instk[i] = 0;
            }
 
 
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