5个小练习

1 //给定两个整形变量的值，将两个值的内容进行交换web #include<stdio.h> #include<stdlib.h> int main() { int a = 1; int b = 2; int c = 0; printf("a = %d b = %d\n", a, b); c = a; a = b; b = c; printf("a = %d b = %d\n"

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