제출 #1270366

#제출 시각아이디문제언어결과실행 시간메모리
1270366SmuggingSpunZamjena (COCI18_zamjena)C++20
28 / 70
7 ms1604 KiB
#include<bits/stdc++.h> #define taskname "B" using namespace std; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); if(fopen(taskname".inp", "r")){ freopen(taskname".inp", "r", stdin); } int n; cin >> n; vector<string>a(n), b(n); map<string, string>cnt; for(string& s : a){ cin >> s; cnt[s] = ""; } for(string& s : b){ cin >> s; cnt[s] = ""; } vector<int>p; for(int i = 0; i < n; i++){ bool da = (48 <= a[i][0] && 57 >= a[i][0]), db = (48 <= b[i][0] && 57 >= b[i][0]); if(da && db){ if(a[i] != b[i]){ return cout << "NE", 0; } } else if(da){ if(cnt[b[i]] != "" && cnt[b[i]] != a[i]){ return cout << "NE", 0; } cnt[b[i]] = a[i]; } else if(db){ if(cnt[a[i]] != "" && cnt[a[i]] != b[i]){ return cout << "NE", 0; } cnt[a[i]] = b[i]; } else{ p.emplace_back(i); } } for(int& i : p){ if(cnt[a[i]] != "" && cnt[b[i]] != "" && cnt[a[i]] != cnt[b[i]]){ return cout << "NE", 0; } } cout << "DA"; }

컴파일 시 표준 에러 (stderr) 메시지

zamjena.cpp: In function 'int main()':
zamjena.cpp:7:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
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