嗨伙计们〜我想知道为什么这个简单的代码错误!! [英] Hi guys~ i wonder that why this simple code error!!

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问题描述

#include< stdio.h>

#include< stdlib.h>


int main(无效)

{


int a,b;

float result = 0.0f;

char symbol =''\ 0 '';

int loop = 0;


printf(" ****************** ************* \ n");

printf(这是计算器程序\ n);

Printf(请输入第一个号码:\ n);

scanf("%f",& a);

printf(" Please ,输入第二个数字:\ n");

scanf("%f",& b);

printf(" Please,选择菜单( +, - ,*,/,%。\ n");

scanf("%c",& symbol);

printf(" * ******************************** \ n");


做{

if(symbol ==''+'')

result = a + b;

else if(symbol ==' '*'')

result = a * b;

else if(symbol ==''/'')

if(b == 0)

{

printf("错误!!,你重新插入第二个值\ n");

loop = 1;

}

result = a / b;

if(symbol ==''%'')

if(b == 0)

{

printf("错误! !,你重新插入第二个

值\ n");

loop = 1;

}

结果= a%b;

} while(循环);

printf("结果:%d%c%d =%f \ n",a,符号,b,

结果);

系统(PAUSE);

返回0;

}


错误信息是printf未声明。(首先使用此功能)


为什么?

解决方案

问题。写道:


Printf(" Please,Enter first Number:\ n");



这是真的未申报))

-

s /.../。gotovchits / g for电子邮件。


9月19日下午1点45分,问题。 < kjy1 ... @ icu.ac.krwrote:


Printf(" Please,Enter first Number:\ n");



P in caps。 C区分大小写。我认为这是导致错误的。


问候,

Prayag Narula


"问题" < kj ***** @ icu.ac.krwrote:


#include< stdio.h>


printf(" ************************** ***** \ n");

printf(这是计算器程序\ n);

Printf(" Please,Enter first编号:\ n");


错误信息是printf未声明。(首先使用此功能)



不,这不是。如果您不想被

注意阅读错误消息,那么您就不适合成为程序员。


Richard


#include <stdio.h>
#include <stdlib.h>

int main(void)
{

int a, b;
float result = 0.0f;
char symbol = ''\0'';
int loop = 0;

printf("*******************************\n");
printf("This is the Calculator Program\n");
Printf("Please, Enter first Number : \n");
scanf("%f", &a);
printf("Please, Enter second Number : \n");
scanf("%f", &b);
printf("Please, Select the menu (+, -, *, /, % .\n");
scanf("%c", &symbol);
printf("*********************************\n");

do{
if (symbol == ''+'')
result = a + b;
else if (symbol == ''*'')
result = a * b;
else if (symbol == ''/'')
if (b == 0)
{
printf("Error!!, You reinsert second value\n");
loop = 1;
}
result = a/b;
if (symbol == ''%'')
if (b == 0)
{
printf("Error!!, You reinsert second
value\n");
loop = 1;
}
result = a % b;
}while(loop);
printf("Result : %d %c %d = %f\n", a, symbol, b,
result);
system("PAUSE");
return 0;
}

the error message is printf is undeclared.(first use this function)

why?

解决方案

problem. wrote:

Printf("Please, Enter first Number : \n");

It is really undeclared ))
--
s/.../.gotovchits/g for email.


On Sep 19, 1:45 pm, "problem." <kjy1...@icu.ac.krwrote:

Printf("Please, Enter first Number : \n");

P in caps. C is case-sensitive. I think this is causing the error.

Regards,
Prayag Narula


"problem." <kj*****@icu.ac.krwrote:

#include <stdio.h>

printf("*******************************\n");
printf("This is the Calculator Program\n");
Printf("Please, Enter first Number : \n");

the error message is printf is undeclared.(first use this function)

No, it isn''t. If you cannot be bothered to read your error messages with
attention, you are not fit to be a programmer.

Richard


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