指针/引用练习之交换数字-题解(C语言代码)

define _CRT_SECURE_NO_WARNINGS

#include<stdio.h>


int main()
{
    int a;
    int b;
    int swap(int* a, int* b);
    scanf("%d %d", &a, &b);
    swap(&a, &b);
    printf("%d %d\n", a, b);
    return 0;
}
int swap(int* a, int* b)
{
    int c = *a;
    *a = *b;
    *b = c;
    return 0;
}