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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#103639#5471. Interactive Number Guessingwytang1010WA 2ms3768kbC++171.3kb2023-05-07 05:40:402023-05-07 05:40:43

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-05-07 05:40:43]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:3768kb
  • [2023-05-07 05:40:40]
  • 提交

answer

/*
 * author: weiyutang
 */

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

/* ===== BEGIN USER CODE ===== */

#define ll long long
#define ld long double
#define f first
#define s second

const int MOD = 1e9 + 7;
const vector<vector<int>> dirs4 {{0,1}, {1,0}, {-1,0}, {0,-1}};
const vector<vector<int>> dirs8 {{0,1}, {1,0}, {-1,0}, {0,-1}, {-1,-1}, {-1,1}, {1,-1}, {1,1}};

void solve() {
	int n = 18;
	vector<int64_t> digit(n, 0);

	int64_t start;
	cout << "query " << 0 << endl;
	cin >> start;

	int64_t pow_10 = 1;
	for (int i = 0; i < n; i++) {
		int64_t lt = 1, rt = 10;
		int64_t resp;	

		while (lt < rt) {
			int64_t mid = lt + (rt - lt) / 2;
	
			cout << "query " << mid * pow_10  << endl;
			cin >> resp;

			if (resp < start) {
				rt = mid;
			} else {
				lt = mid + 1;
			}
		}
	
		// cout << "digit[" << i << "]: " << (10 - rt) % 10 << endl;
		digit[i] = (10 - rt) % 10;
		pow_10 *= 10;
	}

	int64_t ans = 0;
	for (int i = n - 1; i >= 0; i--) {
		ans *= 10;
		ans += digit[i];
	}

	cout << ans << endl;
}


int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    srand(chrono::steady_clock::now().time_since_epoch().count());

    int t = 1;
    // cin >> t;

    while (t--) {
		solve();
	}

    cerr << "time taken : " << (float)clock() / CLOCKS_PER_SEC << " secs" << endl; 
    return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 2ms
memory: 3768kb

input:

6
11
5
4
12
11
5
13
11
14
6
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15
11
14
15

output:

query 0
query 5
query 8
query 7
query 6
query 50
query 80
query 70
query 500
query 800
query 900
query 5000
query 8000
query 9000
query 50000
query 80000
query 90000
query 500000
query 800000
query 900000
query 5000000
query 8000000
query 9000000
query 50000000
query 80000000
query 90000000
query 50...

result:

wrong answer invalid type: 23