c语言编写一个程序,非常简单答:(1)include "stdio.h"#include "math.h"int main(int argc,char *argv[]){float m,r;int n;printf("Please input, the number of the principal and interest rates in turn.\n");if(scanf("%f,%d,%f",&m,&n,&r)!=3 || m<0 || n<0 || r<0){printf("Input error, exit...
用C语言编写一个程序答:include<stdio.h> void main(){ int i,j,temp;//int num[3][3]={1,2,3,4,5,6,7,8,9};int num[3][3];int num_b[3][3];printf("请输入矩阵,空格隔开,回车键完成一行\n");scanf("%d %d %d",&num[0][0],&num[0][1],&num[0][2]);scanf("%d %d %d",&num[1]...