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求调
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__T_T__楼主2023/5/1 14:38
#include<bits/stdc++.h>
using namespace std;
int main(){
	unsigned long long n,k,sum=0;
	cin>>n>>k;
	while(n!=0){
		if(n%10==3){
			sum++;
		}
		n/=10;
	}
	puts(sum>=k?"YES":"NO");
	return 0;
}

2023/5/1 14:38
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