d maino int n. 2 long int fac=l printf(\请输入一个正整数:\) scanf(\%d\, &n)

while(c<=255) printf(\%c\, C++); *输出每个ASCI字符* if(c%32=0 printf(\c=%odn\c),/*显示已输出字符个数*

#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))

#includestdio h float char oper printi“请输入两个数和一个四则运算符(如:3,+,2):”) scanf(\%f,%c, %f\, &operandi, &oper, &operand2 )

#include stdio. h\ #include\math. h' void maino c, P, xI, X2, real, imag printf(“请输入一元二次方程的三个系数:”); scanf(\%f%f%f\, &a, &b, &c)

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 void maino printf(\请输入变量x的值:\)

#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\)