제출 #8120

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
8120		dohyun0324	은행 (IZhO14_bank)	C++98	100 / 100	192 ms	644 KiB

bank

#include<stdio.h>
#include<stdlib.h>
int a[21],b[21],n,m;
void dfs(int x,int sum,int state,int k,int num)
{
    int i;
    if(x>n)
    {
        printf("YES");
        exit(0);
    }
    if(sum==0)
    {
        dfs(x+1,a[x+1],state,0,num);
        return;
    }
    for(i=k;i<m;i++)
    {
        if(m-num-1<n-x) break;
        if(state&(1<<i) || sum<b[i]) continue;
        dfs(x,sum-b[i],state+(1<<i),i+1,num+1);
    }
}
int main()
{
    int i;
    scanf("%d %d",&n,&m);
    for(i=1;i<=n;i++) scanf("%d",&a[i]);
    for(i=0;i<m;i++) scanf("%d",&b[i]);
    dfs(1,a[1],0,0,0);
    printf("NO");
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:27:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
bank.cpp:28:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1;i<=n;i++) scanf("%d",&a[i]);
                       ~~~~~^~~~~~~~~~~~
bank.cpp:29:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=0;i<m;i++) scanf("%d",&b[i]);
                      ~~~~~^~~~~~~~~~~~

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