제출 #1276646

#제출 시각아이디문제언어결과실행 시간메모리
1276646SmuggingSpunSličice (COCI19_slicice)C++20
90 / 90
36 ms584 KiB
#include<bits/stdc++.h> #define taskname "C" using namespace std; template<class T>void maximize(T& a, T b){ if(a < b){ a = b; } } 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, m, k; cin >> n >> m >> k; vector<int>p(n), b(m + 1); for(int& x : p){ cin >> x; } for(int& x : b){ cin >> x; } vector<int>dp(k + 1, 0); for(int& x : p){ for(int i = k; i > 0; i--){ for(int j = min(i, m - x); j > 0; j--){ maximize(dp[i], dp[i - j] + b[x + j] - b[x]); } } } int ans = dp[k]; for(int& x : p){ ans += b[x]; } cout << ans; }

컴파일 시 표준 에러 (stderr) 메시지

slicice.cpp: In function 'int main()':
slicice.cpp:12:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
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