Submission #1301795

#	Time	Username	Problem	Language	Result	Execution time	Memory
1301795		hectormedrano	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <string>
#include "combo.h"
using namespace std;

string guess_sequence(int N) {
  string S, p;
  ll cont = N-3;
  S = "";
  if(N == 3){
    if(press("A")){return "A";}
    if(press("B")){return "B";}
    if(press("X")){return "X";}
    if(press("Y")){return "Y";}
  }
  char F;
  ll k1 = press("ABX");
  if(k1 == 0){
    F = 'Y';
    S += 'Y';
    cont++;
  }
  if(k1 == 3){
    F = 'A';
    S += 'Y';
    cont++;
  }
  if(k1 == 2){
    ll k2 = press("AB");
    if(k2 == 1){
        F = 'B';
        S += "BX";
    }
    if(k2 == 2){
        F = 'A';
        S += "AB";
    }
  }
  if(k1 == 1){
    ll k2 = press("AXB");
    if(k2 == 3){
        F = 'A';
        S += "AX";
    }
    if(k2 == 1){
        ll k3 = press("XA");
        if(k3 == 0){
            F = 'B';
            S += "BA";
        }
        if(k3 == 2){
            F = 'X';
            S += "XA";
        }
    }
    if(k2 == 2){
        ll k3 = press("AX");
        if(k3 == 1){
        F = 'X';
        S += "XB";
        }
        if(k2 == 2){
        F = 'A';
        S += "AX";
        }
    }
    string c = "";
    if(F != 'A'){
        c += A;
    }
    if(F != 'B'){
        c += B;
    }
    if(F != 'X'){
        c += X;
    }
    if(F != 'Y'){
        c += Y;
    }
    while(cont--){
        p = S + c[0] + S + c[1] + c[0] + S + c[1] + c[1] + S + c[1] + c[2];
        ll k = press(p);
        if(k == S.size()){
            S += c[2];
        }
        if(k == S.size() + 1){
            S += c[0];
        }
        if(k == S.size() + 2){
            S += c[1];
        }
    }
    p = S + c[0] + S + c[1]
    ll k = press(p);
    if(k == N){
        if(press(S + c[0]) == N){S += c[0];}
        else{S += c[1];}
    } else {
        S += c[2];
    }
  }
  return S;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:11:3: error: 'll' was not declared in this scope
   11 |   ll cont = N-3;
      |   ^~
combo.cpp:20:5: error: expected ';' before 'k1'
   20 |   ll k1 = press("ABX");
      |     ^~~
      |     ;
combo.cpp:21:6: error: 'k1' was not declared in this scope; did you mean 'y1'?
   21 |   if(k1 == 0){
      |      ^~
      |      y1
combo.cpp:24:5: error: 'cont' was not declared in this scope; did you mean 'const'?
   24 |     cont++;
      |     ^~~~
      |     const
combo.cpp:26:6: error: 'k1' was not declared in this scope; did you mean 'y1'?
   26 |   if(k1 == 3){
      |      ^~
      |      y1
combo.cpp:29:5: error: 'cont' was not declared in this scope; did you mean 'const'?
   29 |     cont++;
      |     ^~~~
      |     const
combo.cpp:31:6: error: 'k1' was not declared in this scope; did you mean 'y1'?
   31 |   if(k1 == 2){
      |      ^~
      |      y1
combo.cpp:32:7: error: expected ';' before 'k2'
   32 |     ll k2 = press("AB");
      |       ^~~
      |       ;
combo.cpp:33:8: error: 'k2' was not declared in this scope
   33 |     if(k2 == 1){
      |        ^~
combo.cpp:37:8: error: 'k2' was not declared in this scope
   37 |     if(k2 == 2){
      |        ^~
combo.cpp:42:6: error: 'k1' was not declared in this scope; did you mean 'y1'?
   42 |   if(k1 == 1){
      |      ^~
      |      y1
combo.cpp:43:7: error: expected ';' before 'k2'
   43 |     ll k2 = press("AXB");
      |       ^~~
      |       ;
combo.cpp:44:8: error: 'k2' was not declared in this scope
   44 |     if(k2 == 3){
      |        ^~
combo.cpp:48:8: error: 'k2' was not declared in this scope
   48 |     if(k2 == 1){
      |        ^~
combo.cpp:49:11: error: expected ';' before 'k3'
   49 |         ll k3 = press("XA");
      |           ^~~
      |           ;
combo.cpp:50:12: error: 'k3' was not declared in this scope
   50 |         if(k3 == 0){
      |            ^~
combo.cpp:54:12: error: 'k3' was not declared in this scope
   54 |         if(k3 == 2){
      |            ^~
combo.cpp:59:8: error: 'k2' was not declared in this scope
   59 |     if(k2 == 2){
      |        ^~
combo.cpp:60:11: error: expected ';' before 'k3'
   60 |         ll k3 = press("AX");
      |           ^~~
      |           ;
combo.cpp:61:12: error: 'k3' was not declared in this scope
   61 |         if(k3 == 1){
      |            ^~
combo.cpp:72:14: error: 'A' was not declared in this scope
   72 |         c += A;
      |              ^
combo.cpp:75:14: error: 'B' was not declared in this scope
   75 |         c += B;
      |              ^
combo.cpp:78:14: error: 'X' was not declared in this scope
   78 |         c += X;
      |              ^
combo.cpp:81:14: error: 'Y' was not declared in this scope
   81 |         c += Y;
      |              ^
combo.cpp:83:11: error: 'cont' was not declared in this scope; did you mean 'const'?
   83 |     while(cont--){
      |           ^~~~
      |           const
combo.cpp:85:11: error: expected ';' before 'k'
   85 |         ll k = press(p);
      |           ^~
      |           ;
combo.cpp:86:12: error: 'k' was not declared in this scope
   86 |         if(k == S.size()){
      |            ^
combo.cpp:89:12: error: 'k' was not declared in this scope
   89 |         if(k == S.size() + 1){
      |            ^
combo.cpp:92:12: error: 'k' was not declared in this scope
   92 |         if(k == S.size() + 2){
      |            ^
combo.cpp:96:28: error: expected ';' before 'll'
   96 |     p = S + c[0] + S + c[1]
      |                            ^
      |                            ;
   97 |     ll k = press(p);
      |     ~~                      
combo.cpp:98:8: error: 'k' was not declared in this scope
   98 |     if(k == N){
      |        ^