c语言学习历程——给定条件的整数集

#include <stdio.h>


int main() {
    int a;
    int i, j, k;
    int count = 0;

    scanf_s("%d", &a);

    i = a;

    while (i <= a + 3) {
        j = a;
        while (j <= a + 3) {
            k = a;
            while (k <= a + 3) {
                if (i != j && j != k && i != k) {
                    printf("%d%d%d", i, j, k);
                    count++;
                    if (count != 0 && count % 6 == 0) {
                        printf("\n");
                    } else {
                        printf(" ");
                    }
                }
                k++;
            }
            j++;
        }
        i++;
    }
}