to_enter_CASA @ 2021-08-23 18:45:17
#include<bits/stdc++.h>
using namespace std;
int q[12];
bool can;
int main(){
int n,ans=0;
cin>>n;
if(n==0)cout<<0;
if(n<0)
cout<<"-";
n=-n;
int m=n;
while(m>0){
q[ans]=m%10;
m/=10;
ans++;
}
for(int i=ans;i>=0;i--){
if(q[i]!=0)can=true;
else if(q[i]==0&&can==false)continue;
cout<<q[i];
}
return 0;
}by 一SakuRa @ 2021-08-23 18:51:49
@Love_Tsinghua_deeply
#include<bits/stdc++.h>
using namespace std;
int n;
int main(){
int t;
cin>>n;
while(n){
t=t*10+n%10;
n/=10;
}
cout<<t;
return 0;
}by to_enter_CASA @ 2021-08-23 18:55:32
@一SakuRa 感谢