Submission #1137669

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1137669	2025-01-20 09:33:05	lightentheshadow	Colors (BOI20_colors)	C++20	0 / 100	0 ms	420 KiB

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#include <bits/stdc++.h>
using namespace std;
int main() {
    long long n;
    cin >> n;
    if (n == 1 || n > 1000) {
        cout << "= " << n;
        return 0;
    }
    int x = sqrt(n), y = 1, cnt = 0;
    for (int i = x / 2 + 1; i <= x; i++) {
        int num = i;
        while (num + x <= n) num += x;
        if (n - num >= i - 1 && (n - num) - (i - 1) <= 1) {
            y = i;
            break;
        }
    }
    int save[55];
    while (y <= n) {
        save[++cnt] = y;
        y += x;
    }
    int l = 1, r = cnt, curr = 0, border = n, prev = save[cnt];
    cout << "? " << save[cnt] << endl;
 
 
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• Subtask 2: 0 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 33