直接暴击，__0ms!!

```#include<bits/stdc++.h>
using namespace std;
int main()
{
int a,b=0,c=0;
cin>>a;
while(a)
{
b=a%10;
c=c*10+b;
a/=10;
}
cout<<c;
return 0;
}

```


#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b=0,count=0;
	cin>>a;
	while(true){
		b=a%10;
		count=count*10+b; 
		a/=10;
		if(a==0){
			break;
		}
	}
	cout<<count;
	return 0;
}

数字反转

题解

#include<bits/stdc++.h>
using namespace std;
int main(){
int a,b=0,count=0;
cin>>a;
while(true){
b=a%10;
count=count*10+

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