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乘法表
乘法表需要用两个for循环来控制行和列，同时，内循环要小于等于外循环。用两个例子来说明乘法表，一个是九九乘法表，一个是用函数写的行列数指定的乘法表
九九乘法表
#define _CRT_SECURE_NO_WARNINGS #include<stdio.h> #include<stdlib.h> int main
() { int i, j; for (i = 1; i <= 9; i++) { for (j = 1; j <= i; j++)
printf("%d*%d=%d\t", i,j,i*j); printf("\n"); } system ( "pause" ); return 0; }
行列数自己指定的乘法表
利用函数实现，n代表行数和列数（行列数相同）
#define _CRT_SECURE_NO_WARNINGS #include<stdio.h> #include<stdlib.h> void
mult_print(int n) { int i; int j; for (i = 1; i <= n; i++) { for (j = 1; j <=
i; j++) { //return (i, j, i*j); printf("%d*%d=%d ", i, j, i*j); } printf("\n");
} } int main() { int n=0; printf("输入想要实现口诀表的行数（列数与行数相同）:"); scanf("%d", &n);
mult_print(n); system("pause"); return 0; }
