HDU-4550 卡片游戏

#include <iostream>
#include <string>
using namespace std;

int main(void)
{
    string str, min;
    int t, i, j;
    char max;
    
    while(scanf("%d", &t) != EOF)
    {
        while(t--)
        {
            max = ‘9‘;
            j = 109;
            cin >> str;
            
            for(i = 0; i < str.size(); i++)
            {
                if(str[i] != ‘0‘ && max >= str[i])
                {
                    max = str[i];
                    j = i;
                }
            }
            
            min = str[0];
            for(i = 1; i < str.size(); i++)
            {
                if(i < j)
                {
                    if(str[i] <= min[0])
                        min = str[i] + min;
                    else
                        min = min + str[i];
                }
                else if(i > j)
                    min = min + str[i];
                else if(i == j)
                    min = str[i] + min;
                
            }
            
            cout << min << endl;
            
        }
        
        
        
    }
    
    
}