제출 #383345

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
383345		Iwanttobreakfree	은행 (IZhO14_bank)	C++17	0 / 100	1 ms	364 KiB

bank

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
	int n,m,sum;
	cin>>n>>m;
	vector<int> sal(n);
	vector<int> bank(m);
	for(int i=0;i<n;i++)cin>>sal[i];
	for(int i=0;i<m;i++)cin>>bank[i];
	for(int i=0;i<n;i++)sum+=sal[i];
	for(int j=0;j<m;j++)sum-=bank[j];
	if(sum>0)cout<<"NO\n";
	else {
		sort(sal.rbegin(),sal.rend());
		sort(bank.rbegin(),bank.rend());
		vector<vector<int> > DP(n,vector<int>(m));
		for(int i=0;i<n;i++){
			for(int j=0;j<m;j++){
				DP[i][j]=sal[i];
				if(sal[i]<bank[j])continue;
				else {
					for(int q=0;q<j;q++){
						int x=DP[i][q]-bank[j];
						if(x<0)x*=-1;
						DP[i][j]=min(x,DP[i][j]);
					}
				}
			}
		}
		bool pos=true;
		for(int i=0;i<n;i++){
			if(DP[i][m-1]!=0){
				pos=false;
				break;
			}
		}
		if(pos)cout<<"YES\n";
		else cout<<"NO\n";
	}
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:14:2: warning: 'sum' may be used uninitialized in this function [-Wmaybe-uninitialized]
   14 |  if(sum>0)cout<<"NO\n";
      |  ^~

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