제출 #951957

#제출 시각아이디문제언어결과실행 시간메모리
951957koukirocks콤보 (IOI18_combo)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define speed ios_base::sync_with_stdio(0); cin.tie(0) #define all(x) (x).begin(),(x).end() #define F first #define S second using namespace std; typedef long long ll; typedef double db; typedef long double ldb; typedef pair<int,int> pii; typedef pair<ll,ll> pll; const ll MAX=2e5+10,P=1e9+7; const ll INF=0x3f3f3f3f,oo=0x3f3f3f3f3f3f3f3f; // //int press(string s) { // cout<<s<<"\n"<<flush; // int x; // cin>>x; // return x; //} string guess_sequence(int N) { string now; string a,b,c,d; if (press("AB")!=0) { if (press("A")) a="A",b="B",c="X",d="Y"; else a="B",b="A",c="X",d="Y"; } else { if (press("X")) a="X",b="B",c="A",d="Y"; else a="Y",b="A",c="B",d="X"; } now=a; for (int i=1;i<N-1;i++) { // cout<<i<<" i\n"<<flush; string q=now+b+b+now+b+c+now+b+d+now+c; int ans=press(q); if (ans==i) now+=d; else if (ans==i+1) now+=c; else now+=b; } string q=now+b; if (press(q)==N) return q; q=now+c; if (press(q)==N) return q; return now+d; } //int main() { // speed; // guess_sequence(5); // return 0; //}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:27:6: error: 'press' was not declared in this scope
   27 |  if (press("AB")!=0) {
      |      ^~~~~
combo.cpp:38:11: error: 'press' was not declared in this scope
   38 |   int ans=press(q);
      |           ^~~~~
combo.cpp:44:6: error: 'press' was not declared in this scope
   44 |  if (press(q)==N) return q;
      |      ^~~~~
combo.cpp:46:6: error: 'press' was not declared in this scope
   46 |  if (press(q)==N) return q;
      |      ^~~~~