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Submission #259613

# Submission time Handle Problem Language Result Execution time Memory
259613 2020-08-08T04:16:41 Z Berted Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 242 ms 20840 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#define ll long long
using namespace std;
int n;
ll m, ar[41], res = 0;
vector<ll> pos[2];

void rs(int s, int l, ll k, int id)
{
	if (s < l)
	{
		rs(s + 1, l, k, id);
		rs(s + 1, l, k + ar[s], id);
	}
	else {pos[id].push_back(k);}
}

int main()
{
	cin >> n >> m;
	for (int i = 0; i < n; i++) cin >> ar[i];
	rs(0, n / 2, 0, 0);
	rs(n / 2, n, 0, 1);
	sort(pos[0].begin(), pos[0].end());
	sort(pos[1].begin(), pos[1].end());
	ll R = pos[1].size() - 1;
	for (int i = 0; i < pos[0].size(); i++)
	{
		while (R >= 0 && pos[0][i] + pos[1][R] > m) {R--;}
		res += (R + 1);
	}
	cout << res << "\n";
	return 0;
}

Compilation message

bobek.cpp: In function 'int main()':
bobek.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < pos[0].size(); i++)
                  ~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 2040 KB Output is correct
2 Correct 58 ms 5488 KB Output is correct
3 Correct 238 ms 20828 KB Output is correct
4 Correct 56 ms 5488 KB Output is correct
5 Correct 8 ms 1656 KB Output is correct
6 Correct 6 ms 1020 KB Output is correct
7 Correct 14 ms 1656 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 2932 KB Output is correct
2 Correct 20 ms 2040 KB Output is correct
3 Correct 90 ms 10604 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 4 ms 1020 KB Output is correct
6 Correct 12 ms 1656 KB Output is correct
7 Correct 12 ms 1656 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 3572 KB Output is correct
2 Correct 85 ms 6640 KB Output is correct
3 Correct 84 ms 6640 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 42 ms 6640 KB Output is correct
6 Correct 188 ms 20828 KB Output is correct
7 Correct 80 ms 6640 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 176 ms 12772 KB Output is correct
2 Correct 20 ms 2040 KB Output is correct
3 Correct 6 ms 1020 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 4 ms 1020 KB Output is correct
6 Correct 172 ms 12780 KB Output is correct
7 Correct 13 ms 1656 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 2040 KB Output is correct
2 Correct 57 ms 5488 KB Output is correct
3 Correct 6 ms 1020 KB Output is correct
4 Correct 6 ms 1020 KB Output is correct
5 Correct 48 ms 6640 KB Output is correct
6 Correct 20 ms 2040 KB Output is correct
7 Correct 242 ms 20840 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 235 ms 20840 KB Output is correct
2 Correct 21 ms 2040 KB Output is correct
3 Correct 6 ms 1020 KB Output is correct
4 Correct 241 ms 20824 KB Output is correct
5 Correct 61 ms 10604 KB Output is correct
6 Correct 12 ms 1656 KB Output is correct
7 Correct 26 ms 2932 KB Output is correct