제출 #851049

#제출 시각아이디문제언어결과실행 시간메모리
851049_Knyaz_Guess the number (BOI20_guess)C++17
0 / 100
0 ms436 KiB
/// 18.09.2023 16:09 #include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int l = 1, r = 100; while(l <= r){ int mid = (l + r) / 2; cout << "? " << mid << '\n'; cout.flush(); string q; cin >> q; if(q == "0"){ cout << "= " << mid << '\n'; return 0; } else if(q == "-1") r = mid - 1; else l = mid + 1; } }
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