#include <stdio.h>
#include <string.h>
char a[105],b[105];
char* add(char *a,char *b)
{
int i,j,k = 0,tmp[105],l1 = strlen(a),l2 = strlen(b);
for (i = l1-1,j = l2-1;i >= 0 && j >= 0;--i,--j)
tmp[k++] = a[i]+b[j]-'0'-'0';
for (;i >= 0;--i)
tmp[k++] = a[i]-'0';
for (;j >= 0;--j)
tmp[k++] = b[j]-'0';
tmp[k] = 0;
for (i = 0;i < k;++i)
{
tmp[i+1] += tmp[i]/10;
tmp[i] %= 10;
}
if (!tmp[k])
--k;
for (i = 0;i <= k;++i)
a[i] = tmp[k-i] + '0';
a[k+1] = '\0';
return a;
}
int main()
{
char *r;
while (scanf("%s%s",a,b) != EOF)
{
r = add(a,b);
printf("%s\n",r);
}
return 0;
}
posted on 2011-09-13 19:49
xiaolong 閱讀(119)
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