Submission #711647

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
711647	2023-03-17 10:34:49	scottchou	Slagalica (COCI19_slagalica2)	C++17	70 / 70	33 ms	2500 KiB

slagalica

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#include<bits/stdc++.h>
using namespace std;
int const N = 1e5 + 5;
vector<int> id[5];
int ans[N];
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    int x, a;
    int front = 0, back = 0;
    for(int i = 0; i < n; i++){
        cin >> x >> a;
        if(x == 5 || x == 6){
            if(front){
                cout << -1 << '\n';
                return 0;
            }
            front = x;
            ans[0] = a;
        }else if(x == 7 || x == 8){
            if(back){
                cout << -1 << '\n';
                return 0;
            }
            back = x;
            ans[n - 1] = a;
        }else{
            id[x].push_back(a);
 
 
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• Subtask 5: 5 / 5
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• Subtask 14: 5 / 5