Submission #152767

#	Time	Username	Problem	Language	Result	Execution time	Memory
152767		sofhiasouza	Igra (COCI17_igra)	C++14	50 / 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, A, B, C;
string a, b, resp;

priority_queue < int > v1, v3, v5;

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

	char resp[maxn];

	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--;
				v1.push(i);
			}
			else 
			{
				resp[i] = 'c';
				c3--;
			}
		}
		
		else if(b[i] == 'b')
		{
			if(c1)
			{
				resp[i] = 'a';
				c1--;
				v3.push(i);
			//	cout << i << "\n";
			}
			else if(c3)
			{
				resp[i] = 'c';
				c3--;
			}
			else
			{
				int u5 = v5.top();
				
				v5.pop();
				resp[u5] = 'b';
				c2--;
				resp[i] = 'a';
				v3.push(i);
			}
		}
		else
		{
			if(c1)
			{
				resp[i] = 'a';
				c1--;
				v5.push(i);
			}
			else if(c2)
			{
				resp[i] = 'b';
				c2--;
			}
			else
			{
				resp[i] = '?';
				C++;
			}
		}
	}

	while(C)
	{
		int u1 = -1, u3 = -1;
		if(v1.size()) u1 = v1.top();
		if(v3.size()) u3 = v3.top();

		//cout << u1 << ' ' << u3 << "\n";
		if(u1 > u3)
		{
			B++;
			v1.pop();
			resp[u1] = 'c';
		}
		else
		{
			A++;
			v3.pop();
			resp[u3] = 'c';
		}
		C--;
	}

	for(int i = 0 ; i < n ; i++)
	{
		if(resp[i] != '?') cout << resp[i];
		else
		{
			if(A)
			{
				cout << 'a';
				A--;
			}
			else cout << 'b';
		}	
	}
	cout << "\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: 50 / 100