POJ3077 Rounders

Description

Input

Output

Sample Input

9
15
14
4
5
99
12345678
44444445
1445
446

Sample Output

20
10
4
5
100
10000000
50000000
2000
500

Source

#include <stdio.h>
#include <string.h>
char str[20];

int main()
{
    int t, n, a, b, len, i, jin;
    scanf("%d", &t);
    while(t--){
        scanf("%s", str);
        len = strlen(str);
        while(len > 1){
            --len;
            if(str[len] >= '5'){
                str[len] = '0'; ++str[len-1];
            }else str[len] = '0';
        }
        jin = 0;
        if(str[0] > '9') jin = 1, str[0] = '0';
        if(jin) putchar('1');
        puts(str);
    }
    return 0;
}

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POJ3077 Rounders

原文：http://blog.csdn.net/chang_mu/article/details/38682073