1838521_wa.c

北大大牛代码 1240道题的原代码 超级权威

# include <stdio.h>
# include <string.h>
# include <stdlib.h>

void main()
{
 int i, n, v, s, len1, len2, len;
 char s1[210], s2[210], output[210];
 
 scanf("%d",&n);
 while(n--)
 {
   scanf("%s%s",s1,s2);
   memset(output,'0',sizeof(output));
   len1 = strlen(s1);
   len2 = strlen(s2);
   len = len1>len2?len1:len2+1;
   while(len1<=len)
    s1[len1++] = '0';
    s1[len1]='\0';
   while(len2<=len)
    s2[len2++] = '0';
    s2[len2]='\0';
   v = 0;
   for(i = 0; i < len; i++)
   {
    s = (s1[i]+s2[i]-96+v)%10;
    v = (s1[i]+s2[i]-96+v)/10;
    output[i] = s+48;
   }
   for(i = len; i >= 0; i--)
   if(output[i-1]!='0')
   {output[i]='\0';break;}
   for(i = 0; i <= len; i++)
   if(output[i]!='0')
   {strcpy(output,&output[i]);break;}
   puts(output);
   }
}