何松羽 • 4个月前
#include<bits/stdc++.h>
using namespace std;
int main() {
int n;
cin>>n;
int a = n / 1000 / 10;//1
int b = n / 1000%10; //2
int c = n / 100 % 10; //3
int d = n % 100 / 10; //4
int e = n % 100 % 10; //5
cout<<e<<d<<c<<b<<a;
//cout<<e*10000+d*1000+c*100+b*10+a;
return 0;
}
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