제출 #529492

#제출 시각아이디문제언어결과실행 시간메모리
529492sunnat콤보 (IOI18_combo)C++14
컴파일 에러
0 ms0 KiB
#include <iostream> #include <stdlib.h> using namespace std; string s = "ABXYY"; int main(){ int n; cin >> n; string s; if(press("AB")){ if(press("A")) s = "A"; else s = "B"; } else{ if(press("X")) s = "X"; else s = "Y"; } string t; for(int i = 0; i < 4; i ++) if("ABXY"[i] != s[0]) t.push_back("ABXY"[i]); int l = 1; for(int i = 1; i < n; i ++) s.push_back(t[rand() % 3]); int L; string nt; while(l != n){ L = press(s); if(L == n) break; if(L == l) nt.push_back(s[l]); else{ nt = ""; l = L; } int x = rand() % (3 - nt.size()); int y = -1; while(x >= 0){ y ++; if(nt.find(t[y]) == string::npos) x --; } s[l] = t[y]; for(int i = l + 1; i < n; i ++) s[i] = t[rand()%3]; } cout << s; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'int main()':
combo.cpp:10:8: error: 'press' was not declared in this scope
   10 |     if(press("AB")){
      |        ^~~~~
combo.cpp:27:13: error: 'press' was not declared in this scope
   27 |         L = press(s);
      |             ^~~~~