제출 #1195470

#제출 시각아이디문제언어결과실행 시간메모리
1195470raphaelpMađioničar (COI22_madionicar)C++20
100 / 100
472 ms1552 KiB
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; int best = 0; vector<int> Tab; for (int i = 0; i < N; i++) { Tab.push_back(N + i); if (i > 0) Tab.push_back(N - i); } for (int i = 0; i < 2 * N - 1; i++) { int x = Tab[i]; int t = 1; while (t) { int sz = best + 1; if (sz % 2 != x % 2) sz++; int L = (x - sz) / 2 + 1, R = (x + sz) / 2; if (L < 1 || R > N) break; cout << "? " << L << ' ' << R << endl; cin >> t; if (t) best = sz; } } cout << "! " << best << endl; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...