제출 #357661

#제출 시각아이디문제언어결과실행 시간메모리
357661mario05092929Colors (BOI20_colors)C++11
9 / 100
1 ms384 KiB
#include <bits/stdc++.h> #define x first #define y second #define pb push_back #define all(v) v.begin(),v.end() #pragma gcc optimize("O3") #pragma gcc optimize("Ofast") #pragma gcc optimize("unroll-loops") using namespace std; const int INF = 1e9; const int TMX = 1 << 18; const long long llINF = 1e16; const long long mod = 1e9+7; const long long hashmod = 100003; const int MAXN = 100000; const int MAXM = 1000000; typedef long long ll; typedef long double ld; typedef pair <int,int> pi; typedef pair <ll,ll> pl; typedef vector <int> vec; typedef vector <pi> vecpi; typedef long long ll; int n,x,l,r; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> n; l = 2, r = n,x = 1; for(int i = 1;i <= n;i++) { cout << "? " << x << endl; int val; cin >> val; if(i^1&&!val) { cout << "= " << n-i+2 << endl; return 0; } if(i % 2) x = r--; else x = l++; } cout << "= " << 1 << endl; }

컴파일 시 표준 에러 (stderr) 메시지

Colors.cpp:6: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
    6 | #pragma gcc optimize("O3")
      | 
Colors.cpp:7: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
    7 | #pragma gcc optimize("Ofast")
      | 
Colors.cpp:8: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
    8 | #pragma gcc optimize("unroll-loops")
      |
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