C语言——实现一个计算m~n(m<n)之间所有整数的和的简单函数。

#include <stdio.h>

int sum(int m, int n)
{
    int i;
    int sum = 0;
    for ( i = m; i <=n; i++)
    {
        sum += i;
    }
    return sum;

}

int main()
{    
    int m, n;
    printf("输入m和n:\n");
    scanf("%d,%d", &m, &n);
    printf("sum = %d\n", sum(m, n));    
    return 0;
}

 输出结果:

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转载自blog.csdn.net/W_Fe5/article/details/134698612