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Re:一次AC,上代码

Posted by hero19930 at 2010-06-19 10:29:17 on Problem 1000
In Reply To:一次AC,上代码 Posted by:hero19930 at 2010-06-19 10:29:06
#include <stdio.h>
#include <string.h>

void Add(char a[], char b[], char c[])
{
     int len;
     int i, x = 0;
     if(a[0] > b[0])
         len = a[0];
     else 
         len = b[0];
     for(i = 1; i <= len; i++)
     {
         x = x / 10 + a[i] + b[i];
         c[i] = x % 10;
     }
     c[i] = x / 10;
     c[0] = i;
     while(c[c[0]] == 0 && c[0] > 0)
         c[0]--;
}

int main()
{
    char a[100], b[100], c[100], t[100];
    int i;
    for(i = 0; i < 100; i++)
        a[i] = b[i] = c[i] = t[i] = 0;
    scanf("%s", t);
    a[0] = strlen(t);
    for(i = 1; i <= a[0]; i++)
        a[i] = t[a[0] - i] - '0';
    scanf("%s", t);
    b[0] = strlen(t);
    for(i = 1; i <= b[0]; i++)
        b[i] = t[b[0] - i] - '0';
    Add(a, b, c);
    for(i = c[0]; i >= 1; i--)
        printf("%d", c[i]);
    printf("\n");
    return 0;
}

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