洛谷P1157----组合数的输出

#include<stdio.h>
int a[] = { ,,,,,,,,,,,,,,,,,,, };
int result[];
int n, r;
int j = ;
void dfs(int x) {//x表示当前是第几个数
    int ii;
    if (x > r) {
        for (ii = ; ii < r; ii++) {
            printf("%3d", result[ii]);
        }
        printf("\n");
        return;
    }
    for (ii = x; ii <=n-r+x; ii++) {
        if (a[ii] == &&(x==||ii>result[x-])) {//每个数都必须比他的前一个数大
            a[ii] = ;
            result[x-] = ii;
            dfs(x + );
            a[ii] = ;
        }
    }
}

int main() {

    scanf("%d %d", &n, &r);
    dfs();
    return ;
}