c语言实验记录.doc

输入m,n的数组元素，求每一行的和并输出#include void main()int m,n;printf(输入数组的行数、列数:);scanf(%d %d,&m,&n);printf(输入m*n个数:);int i,j,sum;int a5050;for(i=0; im; i+)for(j=0;jn;j+)scanf(%d, &aij);for(i=0;im;i+)for(j=0;jn; j+)printf(%4d,aij); printf(n); for(i=0;im;i+)sum=0;for(j=0;jn;j+)sum=sum+aij;printf(%4d,sum); printf(n);键盘输入10本书的名称和价格，查出最高和最低价的书，并输出书名和价格#include struct bookchar name10;float price;void main()int i, max,min;struct book b10;for (i=0;i10;i+)printf(输入第%d本书信息：,i+1);scanf(%s %f,&,&bi.price );max=0;min=0;for (i=0;i10;i+)if (bmax.pricebi.price )min=i;printf(定价最高的书是%s,定价%.2fn,,bmax.price);printf(定价最低的书是%s,定价%.2fn,,bmin.price);1、有n个人围成一圈,按顺序编号。从第1个人开始报数,报到3时该人退出,并且下一个从1重新开始报数，数到3时退出，如此下去。按照退出圈子的顺序输出退出圈子的人的编号。#include void main()int n,i;printf(输入人数n：);scanf(%d,&n);int a100;int quit_num,k; for(i=0;in;i+)ai=i+1; i=0; k=0;for(quit_num=0;quit_numn;i+)if(ai!=0)k+; if(k=3)printf(%d ,ai);ai=0; quit_num+; k=0;if(i=n-1)i=-1;printf(n); 2、三角形面积宏方法：#include#include#define x (a+b+c)/2#define y sqrt(s*(s-a)*(s-b)*(s-c)void main()double a,b,c,s,area;printf(请输入三角形的边长:n); scanf(%lf%lf%lf,&a,&b,&c); area=y; printf(area is:%lfn,area);函数方法：#include#includevoid main()double S(double x,double y,double z);void Area(double m,double a,double b,double c);double a,b,c,n;printf(请输入三角形的边长:n);scanf(%lf%lf%lf,&a,&b,&c);n=S(a,b,c);Area(n,a,b,c);double S(double x,double y,double z)return (x+y+z)/2.0;void Area(double m,double