제출 #92083

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
92083		Randooom	은행 (IZhO14_bank)	C++14	0 / 100	3 ms	504 KiB

bank

#include <bits/stdc++.h>
#define in freopen ("bank.in", "r", stdin);
#define out freopen("bank.out", "w", stdout);
#define ll long long int

const int val = (2e5) + 5;
const int inf = (1e9) + 7;
double eps = 0.000000001;

using namespace std;

int n, m, a[25], b[25];

void rec(int id, int s, int mask){
    if(id == n){
        cout << "YES" << endl;
        exit(0);
    }
    for(int i=0; i<m; ++i){
        if((mask & (1 << i)) == 0){
            if(s + b[i] < a[id]){
                rec(id, s+b[i], mask | (1 << i));
            }
            else if(s + b[i] == a[id]){
                rec(id+1, s+b[i], mask | (1 << i));
            }
        }
    }
}

int solve(){
    cin >> n >> m;
    for(int i=0; i<n; ++i){
        cin >> a[i];
    }
    for(int i=0; i<m; ++i){
        cin >> b[i];
    }
    rec(0, 0, 0);
    cout << "NO" <<  endl;
}

int main(){
    in out
	ios_base::sync_with_stdio(0);
    solve();
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int solve()':
bank.cpp:41:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
bank.cpp: In function 'int main()':
bank.cpp:2:20: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
 #define in freopen ("bank.in", "r", stdin);
            ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:44:5: note: in expansion of macro 'in'
     in out
     ^~
bank.cpp:3:20: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
 #define out freopen("bank.out", "w", stdout);
             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:44:8: note: in expansion of macro 'out'
     in out
        ^~~

• Subtask 1: 0 / 19
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29