摘要：
1，九九乘法#include int main(void){ int i, j; for (i = 1; i int main(void){ int a = 3, b = 5; printf("after 0 swap, a = %d, b = %d\n", a, b); printf("------------------\n"); int t; t = a; a = b; b = t; printf("after 1 swap, a = %d, b = %d\n", a, b); printf("------------ 阅读全文
