Submission #580790

#	Time	Username	Problem	Language	Result	Execution time	Memory
580790		HeyYouNotYouYou	Igra (COCI17_igra)	C++14	40 / 100	1 ms	340 KiB

igra

#include <bits/stdc++.h>
#define int long long
#define endl '\n'
using namespace std;
const int N = 30,INF=1e12;
string a,b;
int n;
int32_t main()
{
  //freopen("abc.in", "r", stdin);
  cin>>n;
  cin>>a>>b;
  int aa=0,bb=0,cc=0;
  string ans="";
  for(int i = 0 ; i < a.size() ; i++)
  {
    if(a[i]=='a') aa++;
    else if(a[i]=='b') bb++;
    else cc++;
  }
  vector<int>neara,nearb;
  for(int i = 0 ; i < n ; i ++){
    if(b[i]=='a' && bb)
      ans+='b',bb--,nearb.push_back(i);
    else if(b[i]=='a' && cc)
      ans+='c',cc--;
    else if(b[i]=='b' && aa)
      ans+='a',aa--,neara.push_back(i);
    else if(b[i]=='b' && cc)
      ans+='c',cc--;
    else if(b[i]=='c' && aa)
      ans+='a',aa--;
    else if(b[i]=='c' && bb)
      ans+='b',bb--;
    else if(b[i]=='c')
    {
      int you=-1,you1=-1;
      if(nearb.size()) you=nearb.back();
      if(neara.size()) you1=neara.back();
      if(you>you1){
        ans+='b';
        ans[you]='c',cc--;
        auto it=nearb.end();
        it--;
        nearb.erase(it);
      }
      else{
        ans+='a';
        ans[you1]='c',cc--;
        auto it=neara.end();
        it--;
        neara.erase(it);
      }
    }
  }
  cout<<ans;
}

Compilation message (stderr)

igra.cpp: In function 'int32_t main()':
igra.cpp:15:21: 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]
   15 |   for(int i = 0 ; i < a.size() ; i++)
      |                   ~~^~~~~~~~~~

• Subtask 1: 40 / 100