有木有人知道我的逻辑哪路错了？

Question

为啥我想要的结果和实际输出不一样，我的逻辑哪里错了，printf怎么可能只执行一次

Answer 1

#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

int main() 
{
    int a, b, c, i;
    int j = 0;
    int n = 0;
    int h;
    int arr[100] = { 0 };
    scanf("%d%d",&a, &b);
    printf("\narr in:\n");
    for (i = 0; i < a * b; i++)
    {
        scanf("%d", &c);
        arr[i] = c;
    }
    printf("\nafter:\n    ");

    for (i = 0; i < b; i++)
    {
        h = n;
        for (j = 0; j < a; j++)
        {
            printf("%d    ",arr[h]);
            h = h + b;
            printf("%d", arr[h]);
            if (j = a - 1)
            {
                printf("\n    ");
            }
            
        }
        n++;
    }

    return 0;
}