Submission #1355319

#	Time	Username	Problem	Language	Result	Execution time	Memory
1355319		kmath628	Bank (IZhO14_bank)	C++20	100 / 100	86 ms	8584 KiB

bank

#include <bits/stdc++.h>
using namespace std;
pair<int,int> dp[1<<20];
int a[20],b[20];
int main(){
    int n,m,i,j,k,ans=0;
    scanf("%d %d",&n,&m);
    for(i=0;i<n;i++) scanf("%d",&a[i]);
    for(i=0;i<m;i++) scanf("%d",&b[i]);
    for(i=1;i<(1<<m);i++){
        dp[i]={-1,-1};
        for(j=0;j<m;j++){
            if(!(i&(1<<j))) continue;
            k=i^(1<<j);
            if(dp[k].first!=-1 && dp[k].second+b[j]<=a[dp[k].first]){
                dp[i]=dp[k];
                dp[i].second+=b[j];
                if(dp[i].second==a[dp[i].first]){
                    dp[i].second=0;
                    dp[i].first++;
                }
                if(dp[i].first==n){
                    dp[i].first=-1;
                    ans=1;
                }
            }
        }
    }
    if(ans) printf("YES\n");
    else printf("NO\n");
    return 0;
}

Compilation message (stderr)

bank.cpp: In function 'int main()':
bank.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%d %d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~~
bank.cpp:8:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     for(i=0;i<n;i++) scanf("%d",&a[i]);
      |                      ~~~~~^~~~~~~~~~~~
bank.cpp:9:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     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