判断题

阅读程序(1)

1-5题 组合题

#include 
using namespace std;

const int N = 1000;
int c[N];

int logic(int x, int y) {
    return (x & y) ^ ((x ^ y) | (~x & y));
}

void generate(int a, int b, int *c) {
    for (int i = 0; i < b; i++) {
        c[i] = logic(a, i) % (b + 1);
    }
}

void recursion(int depth, int *arr, int size) {
    if (depth <= 0 || size <= 1) return;
    int pivot = arr[0];
    int i = 0, j = size - 1;
    while (i <= j) {
        while (arr[i] < pivot) i++;
        while (arr[j] > pivot) j--;
        if (i <= j) {
            int temp = arr[i];
            arr[i] = arr[j];
            arr[j] = temp;
            i++; j--;
        }
    }
    recursion(depth - 1, arr, j + 1);
    recursion(depth - 1, arr + i, size - i);
}

int main() {
    int a, b, d;
    cin >> a >> b >> d;
    generate(a, b, c);
    recursion(d, c, b);
    for (int i = 0; i < b; i++) cout << c[i] << " ";
}

 

当1000≥d≥b时,输出的序列是有序的()

A

正确

B

错误

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