Submission #1365285

#	Time	Username	Problem	Language	Result	Execution time	Memory
1365285		avahw	A String Problem (EGOI25_stringproblem)	C++20	0 / 100	0 ms	344 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    int n;
    cin >> n;
    vector<pair<int, int>> strings(n);
    for(int i = 0; i < n; i++){
        cin >> strings[i].first >> strings[i].second;
    }
    sort(strings.begin(), strings.end());
    map<int, int> freq;
    for(int i = 0; i < n; i++){
        int s = strings[i].first;
        int e = strings[i].second;
        int circle_dist = min(abs(s - e), (2 * n) - abs(s - e));
        freq[circle_dist]++;
    }
    bool good = true;
    for(auto e : freq){
        int amount = e.second;
        if(amount != 2){
            good = false;
        }
    }
    if(good) cout << 0 << "\n";
    else cout << 2 << "\n";
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 14
• Subtask 2: 0 / 16
• Subtask 3: 0 / 12
• Subtask 4: 0 / 28
• Subtask 5: 0 / 30