```c
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
int digit_sum(int n)
{
if (n >= 0)
{
if (n >= 10)
return digit_sum(n / 10) + 1;
else
return 1;
}
else
{
n = -n;
if (n >= 10)
return digit_sum(n / 10) + 2;
else
return 2;
}
}
int main()
{
int n;
scanf("%d", &n);
getchar();
for (int u = 1; u <= n; u++)
{
char c1[200];
char c2[200];
char c3[200];
scanf("%s",&c1);
if (isalpha(c1[0]))
{
scanf("%s",c2);
int len2 = strlen(c2);
scanf("%s", c3);
int len3 = strlen(c3);
if (c1[0] == 'a')
{
int w = atoi(c2) + atoi(c3);
printf("%d+%d=%d\n",atoi(c2),atoi(c3),w);
printf("%d\n", len2 + len3 + digit_sum(w) + 2);
}
if (c1[0] == 'b')
{
int w = atoi(c2) - atoi(c3);
printf("%d-%d=%d\n", atoi(c2), atoi(c3), w);
printf("%d\n", len2 + len3 + digit_sum(w) +2);
}
if (c1[0] == 'c')
{
int w = atoi(c2) * atoi(c3);
printf("%d*%d=%d\n", atoi(c2), atoi(c3), w);
printf("%d\n", len2 + len3 + digit_sum(w) + 2);
}
}
else
{
strcpy(c2, c1);
int len2 = strlen(c2);
scanf("%s", c3);
getchar();
int len3 = strlen(c3);
int w = atoi(c2) + atoi(c3);
printf("%d+%d=%d\n", atoi(c2), atoi(c3), w);
printf("%d\n", len2 + len3 + digit_sum(w) + 2);
}
}
return 0;
}
//把scanf("%[^\n]]")改成scanf("%s",)好多了，可还是有三个不过
```
by RANce875 @ 2023-11-19 22:15:57