Submission #197706

#	Time	Username	Problem	Language	Result	Execution time	Memory
197706		kshitij_sodani	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
typedef  long long int llo;
#define mp make_pair
#define pb push_back
int press(string p){};
string guess_sequence(int n){
	string s="";
	int aa;
	aa=press(s+"A");
	if(aa==1){
			s+="A";}

	else{
		aa=press(s+"B");
		if(aa==1){
			s+="B";
		}
		else{
			aa=press(s+"X");
			if(aa==1){
				s+="X";
			}
			else{
				s+="Y";
			}
		}
	}
	string b="B";
	string x="X";
	string y="Y";
	if(s=="B"){
		b="A";
	}
	else if(s=="X"){
		x="A";
	}
	else if(s=="Y"){
		y="A";
	}
	for(int co=1;co<n;co++){
		aa=press(s+b+s+x+y+s+x+x+s+x+b);
		if(aa==co){
			s+=y;
		}
		else if(aa==co+1){
			s+=b;
		}
		else{
			s+=x;
		}
	}
	aa=press(s+b);
	if(aa==n){
		s+=b;
	}
	else{
		aa=press(s+x);
		if(aa==n){
			s+=x;
		}
		else{
			s+=y;
		}
	}
	return s;


}
int main(){


	return 0;
	}

Compilation message (stderr)

combo.cpp: In function 'int press(std::string)':
combo.cpp:7:21: warning: no return statement in function returning non-void [-Wreturn-type]
    7 | int press(string p){};
      |                     ^
/usr/bin/ld: /tmp/ccOUEoRN.o: in function `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x0): multiple definition of `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccbE5xTN.o:combo.cpp:(.text.unlikely+0x0): first defined here
/usr/bin/ld: /tmp/ccOUEoRN.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccbE5xTN.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status