poj 1146（next_permutation(data,data+len)的用法）

#include<iostream>
using namespace std;
#include<algorithm>
#include<cstring>
int main(){
    char data[55];
    while(scanf("%s",data)==1&&strcmp(data,"#")!=0){
        if(next_permutation(data,data+strlen(data))){
            printf("%s\n",data);
        }
        else{
            printf("No Successor\n");
        }
    }
    return 0;
}