제출 #241760

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
241760		valerikk	Xoractive (IZhO19_xoractive)	C++17	컴파일 에러	0 ms	0 KiB

Xoractive

#include<bits/stdc++.h>
using namespace std;

/*
mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());

int inter_n;
int inter_arr[10];

int ask(int i) {
    return inter_arr[i];
}

int* get_pairwise_xor(int* pos) {
    int k = sizeof(pos) / 4;
    int* res = new int[k * k];
    for (int i = 0; i < k; i++) {
        for (int j = 0; j < k; j++) res[i * k + j] = inter_arr[pos[i]] ^ inter_arr[pos[j]];
    }
    sort(res, res + k * k);
    return res;
}
*/

int[] guess(int n) {
    int res[n];
    for (int i = 0; i < n; i++) res[i] = ask(i + 1);
    return res;
}

/*
void gen() {
    inter_n = rnd() % 9 + 2;
    vector<bool> used(32, 0);
    for (int i = 0; i < inter_n; i++) {
        int num = rnd() % 32;
        while (used[num]) num = rnd() % 32;
        used[num] = 1;
        inter_arr[i] = num;
    }
}

bool check() {
    int* ans = guess(inter_n);
    for (int i = 0; i < inter_n; i++) {
        if (ans[i] != inter_arr[i]) return 0;
    }
    return 1;
}
*/
/*
int main() {
    //ios::sync_with_stdio(false);
    //cin.tie(0);
    int t;
    cin >> t;
    while (t--) {
        gen();
        if (!check()) {
            cout << inter_n << '\n';
            for (int i = 0; i < inter_n; i++) cout << inter_arr[i] << " ";
            cout << '\n';
            return 0;
        }
    }
    return 0;
}
*/

컴파일 시 표준 에러 (stderr) 메시지

Xoractive.cpp:25:4: error: decomposition declaration cannot be declared with type 'int'
 int[] guess(int n) {
    ^~
Xoractive.cpp:25:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
Xoractive.cpp:25:4: error: empty decomposition declaration
Xoractive.cpp:25:7: error: expected initializer before 'guess'
 int[] guess(int n) {
       ^~~~~