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Submission #90750

# Submission time Handle Problem Language Result Execution time Memory
90750 2018-12-24T09:03:51 Z YottaByte Schools (IZhO13_school) C++14
20 / 100
 2000 ms 5144 KB 
#include <algorithm>
#include <iostream>
#include <queue>

using namespace std;

#define pb push_back
#define mk make_pair
#define fr first
#define sc second
#define ll long long
#define pii pair < int, int >

const int N = 3e5 + 1;

vector < pii > v;
int ans, u[N];

main()
{
	int n, m, s;
	cin >> n >> m >> s;
	for(int i = 1; i <= n; i++)
	{
		int a, b;
		cin >> a >> b;
		v.pb( {a, b} );
		ans += a;
	}
	
	if(m + s == 0)
	{
		cout << 0 << endl;
		return 0;
	}
	
	int cnt = n - m - s;
	while(s--)
	{
		int mx = (int)1e8, id = -1;
		mx = -mx;
		
		for(int i = 0; i < n; i++)
		{
			if(u[i] == 0)
			{
				if(mx < v[i].sc - v[i].fr)
				{
					mx = v[i].sc - v[i].fr;
					id = i;
				}
			}
		}
		
		//cout << id << endl;
		
		u[id] = 1;
		ans += mx;
	}
	
	while(cnt--)
	{
		int mn = (int)1e8, id = -1;
		
		for(int i = 0; i < n; i++)
		{
			if(u[i] == 0)
			{
				if(mn > v[i].fr)
				{
					mn = v[i].fr;
					id = i;
				}
			}
		}
		
		//cout << id << endl;
		
		u[id] = 1;
		ans -= mn;
	}
	
	cout << ans << endl;
}
/*
3 1 1
5 2
4 1
6 4

7 2 3
9 8
10 6
3 5
1 7
5 7
6 3
5 4
*/

Compilation message

school.cpp:19:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^

Subtask #1
20.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 292 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Incorrect 2 ms 508 KB Output isn't correct
5 Incorrect 2 ms 560 KB Output isn't correct
6 Incorrect 2 ms 564 KB Output isn't correct
7 Incorrect 63 ms 876 KB Output isn't correct
8 Correct 5 ms 920 KB Output is correct
9 Incorrect 10 ms 920 KB Output isn't correct
10 Incorrect 12 ms 920 KB Output isn't correct
11 Incorrect 76 ms 932 KB Output isn't correct
12 Incorrect 79 ms 932 KB Output isn't correct
13 Incorrect 279 ms 1452 KB Output isn't correct
14 Execution timed out 2045 ms 1972 KB Time limit exceeded
15 Execution timed out 2057 ms 2972 KB Time limit exceeded
16 Execution timed out 2048 ms 3288 KB Time limit exceeded
17 Execution timed out 2050 ms 3868 KB Time limit exceeded
18 Execution timed out 2054 ms 4068 KB Time limit exceeded
19 Execution timed out 2054 ms 4184 KB Time limit exceeded
20 Execution timed out 2045 ms 5144 KB Time limit exceeded