제출 #165345

#제출 시각아이디문제언어결과실행 시간메모리
165345AsagZamjena (COCI18_zamjena)C++14
0 / 70
33 ms6264 KiB
#include <bits/stdc++.h>

using namespace std;

const int N = 50000 + 123;

int n;

string a[N], b[N];

set <string> s;

map <string, set <string>> d;

int main () {
    cin >> n;
    for (int i = 1;i <= n;i ++) {
        cin >> a[i];
        if (a[i][0] > '9') {
            s.insert (a[i]);
        }
    }
    for (int i = 1;i <= n;i ++) {
        cin >> b[i];
        if (b[i][0] > '9') {
            s.insert (b[i]);
        }
    }
    for (int i = 1;i <= n;i ++) {
        if (a[i][0] > '9') {
            d[a[i]].insert (b[i]);
        }
        if (b[i][0] > '9') {
            d[b[i]].insert (a[i]);
        }
    }
    for (auto it : s) {
        int cnt = 0;
        for (auto v : d[it]) {
            if (v[0] <= '9')cnt ++;
        }
        if (cnt >= 2) {
            cout << "NE";
            exit (0);
        }
    }cout << "DA";
}
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