#include <stdio.h> void main() { ??? int x, a, b, c, f, z,sum; ??? printf ("input x"); ??? scanf ("%d", &x); ??? a = x / 1000; ??? f = x % 10; ??? b = (x - a * 1000) / 100; ??? c = (x - a * 1000 - b * 100) / 10; ??? z = f * 1000 + c * 100 + b * 10 + a * 1; ??? sum = a + b + c + f; ??? printf("a=%d, b=%d, c=%d, f=%d, z=%d, sum=%d",a, b, c, f, z,sum); }
2019-10-18
#include <stdio.h>
void main()
{
??? int x, a, b, c, f, z,sum;
??? printf ("input x");
??? scanf ("%d", &x);
??? a = x / 1000;
??? f = x % 10;
??? b = (x - a * 1000) / 100;
??? c = (x - a * 1000 - b * 100) / 10;
??? z = f * 1000 + c * 100 + b * 10 + a * 1;
??? sum = a + b + c + f;
??? printf("a=%d, b=%d, c=%d, f=%d, z=%d, sum=%d",a, b, c, f, z,sum);
}
2019-10-16
核心思想是求出四位數(shù)的各位數(shù)，再用printf進行倒著輸出