为什么我会出现分段错误? [英] why am i getting segmentation fault in this?

问题描述

我应该递归打印两个数字的乘积.这是我的代码:

I am supposed to print product of two numbers recursively. this is my code :

    #include<stdio.h>
int prod(int num1,int num2)
{
    if(num2=0)
    return num1;
    prod(num1+num1,num2-1);
}
int main()
{
    int n1,n2;
    printf("Enter two numbers to find their product:\n");
    scanf("%d" ,&n1);
    scanf("%d" ,&n2);
    printf("Product of %d and %d is %d",n1,n2,prod(n1,n2));
    return 0;
}

这是一个简单的代码，但为什么我会遇到分段错误?请帮忙.

This is a simple code but why am i getting segmentation fault? please help.

推荐答案

两个问题:

• 您需要比较，而不是赋值运算符.
• 您需要返回递归调用.

见下文:

int prod(int num1,int num2)
{
    if(num2 == 0)
        return num1;
    return prod(num1+num1,num2-1);
}

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