Submission #1007248

#TimeUsernameProblemLanguageResultExecution timeMemory
1007248christinelynnCombo (IOI18_combo)C++17
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> #include "combo.h" /* Pragmaaa */ #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") /* Primitive Data */ #define ll long long #define db double /* Pair Macro */ #define pii pair<int,int> #define pll pair<ll,ll> #define fi first #define sc second /* Vector Macro */ #define vi vector<int> #define vll vector<ll> #define pb push_back /* All Rounder */ #define all(x) x.begin(),x.end() #define forn(i,n) for(int (i) = 1; i<= int (n); i++) #define for0(i,n) for(int (i) = 0; i < int (n); i++) #define INF 1e9 #define LLINF 1e18 #define nl '\n' #define tab ' ' using namespace std; string guess_sequence(int N){ char a[9]; bool vis[9] = {0}; a[1] = 'A', a[2] = 'B', a[3] = 'X',a[4] = 'Y'; if(press("A"))vis[1] = 1; else if(press("B"))vis[2] = 1; else if(press("X"))vis[3] = 1; else vis[4] = 1; string p = ""; if(vis[1])p += "A"; if(vis[2])p += "B"; if(vis[3])p += "X"; if(vis[4])p += "Y"; for(int i = 2; i<=n; i++){ for(int j = 1; j<=4; j++){ if(vis[j])continue; if(j == 4){ p += "Y"; break; } if(j == 1 && press(string(p + "A")) == i){ p+="A"; break; }else if(j == 2 && press(string(p + "B")) == i){ p +="B"; break; }else if(j == 3 && press(string(p+"X")) == i){ p+="X"; break; } } } return p; }

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:51:21: error: 'n' was not declared in this scope
   51 |   for(int i = 2; i<=n; i++){
      |                     ^