Discussion Detail - XAZXOJ

含k个3的数
对了9个，哪错了？
xhyz LV 4 @ 2023-12-13 20:20:49

~~~#include <bits/stdc++.h>
using namespace std;

int main()
{ 	long long m,k,c=0,d,z;
	cin>>m>>k;
	z=m;
	while(z>0){
		d=z%10;
		z/=10;
		if(d==3)c++;
	}
	if(c==k||m%19==0)cout<<"YES";
	else if(c!=k&&m%19!=0)cout<<"NO";
	return 0;
 }

Csvoner SU @ 2024-11-27 19:31:28
Edited

你没有判断 n % 19 == 0
经开一中2026届11班关泽瑞 LV 6 @ 2023-12-13 20:36:01

你那个有点麻烦，应该废了

经开一中2026届11班关泽瑞 LV 6 @ 2023-12-13 20:34:36

#include <bits/stdc++.h>
using namespace std;

int main()
{
	int m,k,n=0,a;
	cin >> m >> k;
	if(m%19==0)
	{
		while (m!=0)
		{
			a=m%10;
			if(a==3) n++;
			m=m/10;
		}
		if(n==k) cout << "YES" << endl;
	}
	else cout << "NO" << endl;
	
	return 0;
}

ID: 584
Time: 1000ms
Memory: 256MiB
Difficulty: 4
Tags: (None)
# Submissions: 226
Accepted: 106
Uploaded By: Csvoner