Submission #534527

#	Time	Username	Problem	Language	Result	Execution time	Memory
534527		YaserFaisal	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
#include "combo.h"

using namespace std;

string call( string cur , int siz , int n )
{
    int x , y ;
    if ( siz == n-1 )
    {
        if ( cur[0] == "A" )
        {
            x = press(cur+"B") ;
            y = press(cur+"X") ;
            if ( x == n ) return cur+"B" ;
            else if ( y == n ) return cur+"X" ;
            else return cur+"Y" ;
        }
        if ( cur[0] == "B" )
        {
            x = press(cur+"A") ;
            y = press(cur+"X") ;
            if ( x == n ) return cur+"A" ;
            else if ( y == n ) return cur+"X" ;
            else return cur+"Y" ;
        }
        if ( cur[0] == "X" )
        {
            x = press(cur+"B") ;
            y = press(cur+"A") ;
            if ( x == n ) return cur+"B" ;
            else if ( y == n ) return cur+"A" ;
            else return cur+"Y" ;
        }
        if ( cur[0] == "Y" )
        {
            x = press(cur+"B") ;
            y = press(cur+"X") ;
            if ( x == n ) return cur+"B" ;
            else if ( y == n ) return cur+"X" ;
            else return cur+"A" ;
        }
    }
    if ( cur[0] == "A" )
    {
        x = press(cur+"B"+cur+"XX"+cur+"XY"+cur+"XB") ;
        if ( x == siz+1 ) return cur+"B" ;
        else if ( x == siz+2 ) return cur+"X" ;
        else return cur+"Y" ;
    }
    if ( cur[0] == "B" )
    {
        x = press(cur+"A"+cur+"XX"+cur+"XY"+cur+"XA") ;
        if ( x == siz+1 ) return cur+"A" ;
        else if ( x == siz+2 ) return cur+"X" ;
        else return cur+"Y" ;
    }
    if ( cur[0] == "X" )
    {
        x = press(cur+"B"+cur+"AX"+cur+"AY"+cur+"AB") ;
        if ( x == siz+1 ) return cur+"B" ;
        else if ( x == siz+2 ) return cur+"A" ;
        else return cur+"Y" ;
    }
    if ( cur[0] == "Y" )
    {
        x = press(cur+"B"+cur+"XX"+cur+"XY"+cur+"XB") ;
        if ( x == siz+1 ) return cur+"B" ;
        else if ( x == siz+2 ) return cur+"X" ;
        else return cur+"A" ;
    }
}

string guess_sequence (int n)
{
    for ( int i = 0 ; i <= 2000 ; i++ )
    {

    }
    string cur = "" ;
    int x = press("AB") ;
    if ( x == 0 )
    {
        if ( press(cur+"X") == 1 ) cur+="X" ;
        else cur+="Y" ;
    }
    else
    {
        if ( press(cur+"A") == 1 ) cur+="A" ;
        else cur+="B" ;
    }
    while(cur.size()<) cur = call(cur,cur.size(),n) ;
    return cur ;    
}

Compilation message (stderr)

combo.cpp: In function 'std::string call(std::string, int, int)':
combo.cpp:11:21: warning: comparison with string literal results in unspecified behavior [-Waddress]
   11 |         if ( cur[0] == "A" )
combo.cpp:11:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
combo.cpp:19:21: warning: comparison with string literal results in unspecified behavior [-Waddress]
   19 |         if ( cur[0] == "B" )
combo.cpp:19:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
combo.cpp:27:21: warning: comparison with string literal results in unspecified behavior [-Waddress]
   27 |         if ( cur[0] == "X" )
combo.cpp:27:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
combo.cpp:35:21: warning: comparison with string literal results in unspecified behavior [-Waddress]
   35 |         if ( cur[0] == "Y" )
combo.cpp:35:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
combo.cpp:44:17: warning: comparison with string literal results in unspecified behavior [-Waddress]
   44 |     if ( cur[0] == "A" )
combo.cpp:44:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
combo.cpp:51:17: warning: comparison with string literal results in unspecified behavior [-Waddress]
   51 |     if ( cur[0] == "B" )
combo.cpp:51:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
combo.cpp:58:17: warning: comparison with string literal results in unspecified behavior [-Waddress]
   58 |     if ( cur[0] == "X" )
combo.cpp:58:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
combo.cpp:65:17: warning: comparison with string literal results in unspecified behavior [-Waddress]
   65 |     if ( cur[0] == "Y" )
combo.cpp:65:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:92:22: error: expected primary-expression before ')' token
   92 |     while(cur.size()<) cur = call(cur,cur.size(),n) ;
      |                      ^
combo.cpp: In function 'std::string call(std::string, int, int)':
combo.cpp:72:1: warning: control reaches end of non-void function [-Wreturn-type]
   72 | }
      | ^