请帮我知道我的程序中的错误是什么！ [英] please help me know what the error in my programme is!

问题描述

#include<stdio.h>
#include<conio.h>
int main()
    {
    clrscr();
    int i=3,j=2,num,rem;
    printf("enter the number less than which you need all the prime numbers:");
    scanf("d",&num);
    while(i<=num)
        {
        j=2;
        while(j<=i-1)
            {
            rem=(i%j);
            if(rem==0)
                {
                break;
                }
            j++;
            }
        if(j==i)
            printf("%d\n",i);
        i++;
        }
    getch();
    return 0;
    }

缩进添加 - OriginalGriff [/ edit]

[edit]Indentation added - OriginalGriff[/edit]

推荐答案

你需要先看看基础知识。

You need to start with looking at the basics.

int i=3,j=2,num,rem;
printf("enter the number less than which you need all the prime numbers:");
scanf("d",&num);

如果你看一下scanf的定义： http://www.cplusplus.com/ reference / cstdio / scanf / [ ^ 你会看到d不是一个vlaid格式说明符：它应该是％d：

If you look at the definition of scanf: http://www.cplusplus.com/reference/cstdio/scanf/[^] you will see that "d" is not a vlaid format specifier: it should be "%d":

int i=3,j=2,num,rem;
printf("enter the number less than which you need all the prime numbers:");
scanf("%d",&num);

现在你将进入循环。

Now you will get into the loop.

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