Submission #152414

#	Time	Username	Problem	Language	Result	Execution time	Memory
152414		sofhiasouza	Igra (COCI17_igra)	C++14	40 / 100	3 ms	504 KiB

igra

#include <bits/stdc++.h>
#define pb push_back
using namespace std;

const int maxn = 5e3+10;

int n, c1, c2, c3;
string a, b, resp;

priority_queue < int > u[7];

int main()
{
	cin >> n;
	cin >> a >> b;

	resp = b;

	for(int i = 0 ; i < a.size() ; i++)
	{
		if(a[i] == 'a') c1++;
		else if(a[i] == 'b') c2++;
		else c3++;
	}

	for(int i = 0 ; i < n ; i++)
	{
		if(b[i] == 'a')
		{
			if(c2)
			{
				resp[i] = 'b';
				c2--;
				u[1].push(i);
			}
			else if(c3)
			{
				resp[i] = 'c';
				c3--;
				u[2].push(i);
			}
			else
			{
				int u4 = u[4].top(), u6 = u[6].top();
				if(u4 > u6)
				{
					u[4].pop();
					resp[u4] = 'a';
					c1--;
					resp[i] = 'c';
					u[3].push(u4);
					u[2].push(i);
				}
				else
				{
					u[6].pop();
					resp[u6] = 'a';
					c1--;
					resp[i] = 'b';
					u[5].push(u6);
					u[1].push(i);
				}
			}
		}
		else if(b[i] == 'b')
		{
			if(c1)
			{
				resp[i] = 'a';
				c1--;
				u[3].push(i);
			}
			else if(c3)
			{
				resp[i] = 'c';
				c3--;
				u[4].push(i);
			}
			else
			{
				int u2 = u[2].top(), u5 = u[5].top();
				if(u2 > u5)
				{
					u[2].pop();
					resp[u2] = 'b';
					c2--;
					resp[i] = 'c';
					u[1].push(u2);
					u[4].push(i);
				}
				else
				{
					u[5].pop();
					resp[u5] = 'b';
					c2--;
					resp[i] = 'a';
					u[6].push(u5);
					u[3].push(i);
				}
			}
		}
		else
		{
			if(c1)
			{
				resp[i] = 'a';
				c1--;
				u[5].push(i);
			}
			else if(c2)
			{
				resp[i] = 'b';
				c2--;
				u[6].push(i);
			}
			else
			{
				int u1 = u[1].top(), u3 = u[3].top();
				if(u1 > u3)
				{
					u[1].pop();
					resp[u1] = 'c';
					c3--;
					resp[i] = 'b';
					u[2].push(u1);
					u[6].push(i);
				}
				else
				{
					u[3].pop();
					resp[u3] = 'c';
					c3--;
					resp[i] = 'a';
					u[4].push(u3);
					u[5].push(i);
				}
			}
		}
	}
	cout << resp << "\n";
}

Compilation message (stderr)

igra.cpp: In function 'int main()':
igra.cpp:19:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0 ; i < a.size() ; i++)
                  ~~^~~~~~~~~~

• Subtask 1: 40 / 100