Submission #139581

#	Time	Username	Problem	Language	Result	Execution time	Memory
139581		Bazarkuly2003	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include<bits/stdc++.h>
//#include<string>
//#include<cmath>
//#include<conio.h>
#define ll long  long
#define N 1000001
using namespace std;
ll n,m;
string s,q,t;
int press(string p){
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n;
if(pass("A")==1){s="A";q="BXY";}else
if(pass("B")==1){s="B";q="AXY";}else
if(pass("X")==1){s="X";q="ABY";}else{s="Y";q="ABX";}

t=s+q[0]+q[0]+s+q[0]+q[1]+s+q[0]+q[2]+s+q[1];
while(s.size()<n){
m=pass(t);
if(m==s.size()+0)s+=q[2];else
if(m==s.size()+1)s+=q[1];else s+=q[0];}
cout<<s;
}

Compilation message (stderr)

combo.cpp: In function 'int press(std::string)':
combo.cpp:11:1: warning: no return statement in function returning non-void [-Wreturn-type]
   11 | }
      | ^
combo.cpp: In function 'int main()':
combo.cpp:16:4: error: 'pass' was not declared in this scope
   16 | if(pass("A")==1){s="A";q="BXY";}else
      |    ^~~~
combo.cpp:21:15: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   21 | while(s.size()<n){
      |       ~~~~~~~~^~
combo.cpp:22:3: error: 'pass' was not declared in this scope
   22 | m=pass(t);
      |   ^~~~
combo.cpp:23:5: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 | if(m==s.size()+0)s+=q[2];else
      |    ~^~~~~~~~~~~~
combo.cpp:24:5: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 | if(m==s.size()+1)s+=q[1];else s+=q[0];}
      |    ~^~~~~~~~~~~~