平常练习

1. 给定两个整形变量的值，将两个值的内容进行交换spa #include<stdio.h> #include<stdlib.h> int main() { int p = 1; int q = 2; int temp; printf("p=%d q=%d\n",p,q); temp = p; p = q; q = temp; printf("p=%d q=%d\n",p,q); system("

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