~我讨厌高精度~ 代码来自王梓印，感谢~ 上代码（爸爸点个赞再走吧，谢谢）

#include <stdio.h>
#include <string.h>
#define M 200
char s1[M], s2[M];
int a[M], b[M];
int main()
{
    int n1, n2, c, t, i;
    scanf("%s", s1);
    scanf("%s", s2);
    n1 = strlen(s1);
    n2 = strlen(s2);
    if (n1<n2)
        t = n2;
    else t = n1; c = t;
 
    for (i = 0; i<n1; t--, i++)
        a[t] = s1[n1 - 1 - i] - '0';
    for (t = c, i = 0; i<n2; t--, i++)
        b[t] = s2[n2 - 1 - i] - '0';
 
    for (i = c; i >= 0; i--){
        a[i] += b[i];
        if (a[i] >= 10){
            a[i] -= 10;
            a[i - 1]++;
        }
    }
    if (a[0] != 0)
        for (i = 0; i <= c; i++)
            printf("%d", a[i]);
    else
        for (i = 1; i <= c; i++)
            printf("%d", a[i]);
 
    printf("\n");
    return 0;
}