제출 #1273261

#제출 시각아이디문제언어결과실행 시간메모리
1273261SmuggingSpunLampice (COCI21_lampice)C++20
50 / 50
1 ms348 KiB
#include<bits/stdc++.h> #define taskname "A" 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, k; cin >> n >> k; vector<int>a(n + 1); for(int i = 1; i <= n; i++){ cin >> a[i]; } for(int len = 1; len <= n; len++){ if(len % k == 0){ for(int l = n - len + 1; l > 0; l--){ int r = l + len - 1, L = len / k; bool f = true; for(int i = l; i + L - 1 <= r; i += L){ for(int j = 0; j < L; j++){ if(a[l + j] != a[i + j]){ f = false; break; } } } if(f){ cout << L << "\n"; for(int j = 0; j < L; j++){ cout << a[l + j] << " "; } return 0; } } } } cout << -1; }

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.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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