noip2011——普及组——数字反转

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
using namespace std;
int t=1,num=0;char c=getchar();
inline int read(){
    while(c>‘9‘||c<‘0‘){if(c==‘-‘)t=-1;c=getchar();}
    while(c>=‘0‘&&c<=‘9‘){num=num*10+c-‘0‘;c=getchar();}
    return num;
}
int main()
{
    int a=read(),b=0;
    while(a){
        b=b*10+(a%10);
        a/=10;
    }
    printf("%d",b*t);
    return 0;
}