error C2065: 'printf' : undeclared identifier 执行 cl.exe 时出错. 什么意思

Question

#include 'stdio.h"
void main()
{ int n,a,b,c,m;
scanf("%d",&n);
a=n%10;
b=(n/10)%10;
c=(n/100)%10;
m=100*a+10*b+c
printf("\n\n%d=>%d",n,m);
}
c:\documents and settings\administrator\zxc.cpp(9) : error C2065: 'printf' : undeclared identifier
执行 cl.exe 时出错.

zxc.exe - 1 error(s), 0 warning(s)
求答案

Answer 1

#include "stdio.h"//双引号
void main()
{
int n,a,b,c,m;
scanf("%d",&n);
a=n%10;
b=(n/10)%10;
c=(n/100)%10;
m=100*a+10*b+c;//少分号
printf("\n\n%d=>%d",n,m);
}本回答被提问者和网友采纳

Answer 2

#include 'stdio.h"
写错了，#include<stdio.h>