C语言电话线个数
作者:互联网
#include <stdio.h>
int main(int argc, char *argv[]) {
int totalLines,additionalLines,n1,n;
//总共的电话线
printf("please input the number of telephones: ");
scanf("%d",&n1);
totalLines=n1*(n1-1)/2;
//结果
printf("The number of direct lines required for %d telephones is %d\n",n1,totalLines);
// 额外的电话线
printf("please input the number of new telephones: ");
scanf("%d",&n);
additionalLines=(n1+n)*(n1+n-1)/2-n1*(n1-1)/2;
//结果
printf("The number of additional lines required for %d new telephones is %d\n",n,additionalLines);
return 0;
}
标签:totalLines,int,个数,number,C语言,telephones,printf,n1,电话线 来源: https://blog.csdn.net/m0_62796003/article/details/122520402