제출 #126790

#제출 시각아이디문제언어결과실행 시간메모리
126790abacabaKas (COCI17_kas)C++14
0 / 100
257 ms44512 KiB
#include <bits/stdc++.h> using namespace std; const int inf = 2e9; const int M = 1e5 + 15; const int N = 5e2 + 15; int n, a[N], summ, ans = inf; bool dp1[M], dp2[N][M]; int main() { scanf("%d", &n); for(int i = 1; i <= n; ++i) { scanf("%d", &a[i]); summ += a[i]; } dp2[n+1][0] = 1; dp1[0] = 1; for(int i = n; i; --i) { for(int j = M - 1; j >= 0; --j) dp2[i][j] = dp2[i+1][j]; for(int j = M - 1; j >= 0; --j) if(dp2[i][j] && j + a[i] < M) dp2[i][j + a[i]] = 1; } for(int i = 1; i <= n; ++i) { for(int j = M - 1; j >= 0; --j) if(dp1[j] && j + a[i] < M) dp1[j + a[i]] = 1; for(int j = M - 1; j; --j) if(dp1[j] && dp2[i + 1][j]) ans = min(ans, summ - (j << 1)); } cout << ans + (summ - ans) / 2; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

kas.cpp: In function 'int main()':
kas.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
kas.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~
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