제출 #76329

#제출 시각아이디문제언어결과실행 시간메모리
76329win11905은행 (IZhO14_bank)C++11
100 / 100
231 ms14700 KiB
#include <bits/stdc++.h> using namespace std; const int N = 20; int n, m; int A[N], B[N]; vector<int> g[N]; bool chk[N][1<<N]; void dfs(int u, int st) { if(u == n) { puts("YES"); exit(0); } if(chk[u][st]) return; chk[u][st] = true; for(int v : g[u]) if(!(st & v)) dfs(u+1, st | v); } int main() { scanf("%d %d", &n, &m); for(int i = 0; i < n; ++i) scanf("%d", A+i); for(int i = 0; i < m; ++i) scanf("%d", B+i); for(int i = 0; i < (1<<m); ++i) { int sum = 0; for(int j = 0; j < m; ++j) if(i >> j & 1) sum += B[j]; for(int j = 0; j < n; ++j) if(sum == A[j]) g[j].emplace_back(i); } dfs(0, 0); puts("NO"); }

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~
bank.cpp:20:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 0; i < n; ++i) scanf("%d", A+i);
                                ~~~~~^~~~~~~~~~~
bank.cpp:21:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 0; i < m; ++i) scanf("%d", B+i);
                                ~~~~~^~~~~~~~~~~
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