int x;

int y;

int n;

printf("请输入两个整数：");

 scanf_s("%d", & x);

 scanf_s("%d", &y);

 n = (x / y) * y + x % y;

 printf("%d\n", n);

int n;

int m;

scanf_s("%d%d", &n, &m);

printf("%d%%", (n*100) /m );