#include maino int F=ln. *定义i和n变量,并为i赋初值1*/

#include #includestime. h> void main( int i right=0, error int x, y, op, result, input srand(time(NULL))

#include void maino printf(\请输入变量x的值:\)

#include void maino Int x, y, 2, printf(\请输入三个整数xy,z:\) scanf(\%d%d%d\, &x, &y, &z)

if(x>0) printf(\M\) printf(o\) if(y<-4) printf(\N\) else printf(\E\); 补充完整的程序为 ntx=12y=12

#include #include void maino float x, y, z, q, area; printf(\请输入三角形的三条边:\)

#include #define NULL void proerr(Ffile*fp)/*错误测试与处理的通用函数*

#include #include void maino FILE* fp long i if(fp=fopen(\e: M\\alphabet txt\, rb\)=NULL printf(\文件打开时出错!in\)

#include void maino FILE'fpl, fp2; fpl= fopen(\e: Aname txt\,\r\),/*只读打开文件 name. txt fp2=fopen(\e: name. bak\, \W\); while( feof(fpl)

include include struct student/*定义结构体类型 student及数且s* char number 6 char name[201