oj.uz

Submission #389084

# Submission time Handle Problem Language Result Execution time Memory
389084 2021-04-13T15:33:03 Z prvocislo Fireworks (APIO16_fireworks) C++17
26 / 100
 2000 ms 720 KB 
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <queue>
#include <map>
#include <set>
#include <iomanip>
typedef long long ll;
using namespace std;

const int maxi = 307, inf = 1e9 + 79;
vector<vector<int> > dp(maxi, vector<int>(maxi, inf));
vector<vector<pair<int, int> > > g(maxi);
int n, m;
int rek(int u, int dist, int c)
{
	if (u >= n) return abs(c - dist);
	if (dp[u][dist] != inf) return dp[u][dist];
	for (int cl = 0; cl <= dist; cl++)
	{
		int sum = abs(cl - c);
		for (pair<int, int> v : g[u])
			sum += rek(v.first, dist - cl, v.second);
		dp[u][dist] = min(dp[u][dist], sum);
		if (!c) break;
	}
	return dp[u][dist];
}
void subtask1()
{
	vector<int> v;
	for (int i = 1, p, c; i < n + m; i++)
	{
		cin >> p >> c;
		v.push_back(c);
	}
	sort(v.begin(), v.end());
	ll ans = 0;
	for (int i = 0; i < v.size(); i++) ans += abs(v[i] - v[(v.size() / 2)]);
	cout << ans << "\n";
	exit(0);
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin >> n >> m;
	if (n == 1) subtask1();
	for (int i = 1, p, c; i < n + m; i++)
	{
		cin >> p >> c;
		g[--p].push_back({ i, c });
	}
	int ans = inf;
	for (int dist = 0; dist < maxi; dist++)
		ans = min(ans, rek(0, dist, 0));
	cout << ans << "\n";
	return 0;
}

Compilation message

fireworks.cpp: In function 'void subtask1()':
fireworks.cpp:40:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |  for (int i = 0; i < v.size(); i++) ans += abs(v[i] - v[(v.size() / 2)]);
      |                  ~~^~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 716 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 712 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 708 KB Output is correct
7 Correct 1 ms 716 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 716 KB Output is correct
10 Correct 1 ms 588 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 588 KB Output is correct
2 Correct 8 ms 708 KB Output is correct
3 Correct 14 ms 592 KB Output is correct
4 Correct 54 ms 716 KB Output is correct
5 Correct 37 ms 588 KB Output is correct
6 Correct 41 ms 588 KB Output is correct
7 Correct 46 ms 588 KB Output is correct
8 Correct 53 ms 588 KB Output is correct
9 Correct 61 ms 588 KB Output is correct
10 Correct 69 ms 588 KB Output is correct
11 Correct 87 ms 588 KB Output is correct
12 Correct 82 ms 708 KB Output is correct
13 Correct 89 ms 588 KB Output is correct
14 Correct 170 ms 720 KB Output is correct
15 Correct 97 ms 696 KB Output is correct
16 Correct 94 ms 588 KB Output is correct
17 Correct 94 ms 716 KB Output is correct
18 Correct 95 ms 716 KB Output is correct
19 Correct 87 ms 588 KB Output is correct

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 716 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 712 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 708 KB Output is correct
7 Correct 1 ms 716 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 716 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 3 ms 588 KB Output is correct
12 Correct 8 ms 708 KB Output is correct
13 Correct 14 ms 592 KB Output is correct
14 Correct 54 ms 716 KB Output is correct
15 Correct 37 ms 588 KB Output is correct
16 Correct 41 ms 588 KB Output is correct
17 Correct 46 ms 588 KB Output is correct
18 Correct 53 ms 588 KB Output is correct
19 Correct 61 ms 588 KB Output is correct
20 Correct 69 ms 588 KB Output is correct
21 Correct 87 ms 588 KB Output is correct
22 Correct 82 ms 708 KB Output is correct
23 Correct 89 ms 588 KB Output is correct
24 Correct 170 ms 720 KB Output is correct
25 Correct 97 ms 696 KB Output is correct
26 Correct 94 ms 588 KB Output is correct
27 Correct 94 ms 716 KB Output is correct
28 Correct 95 ms 716 KB Output is correct
29 Correct 87 ms 588 KB Output is correct
30 Execution timed out 2082 ms 716 KB Time limit exceeded
31 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 716 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 712 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 708 KB Output is correct
7 Correct 1 ms 716 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 716 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 3 ms 588 KB Output is correct
12 Correct 8 ms 708 KB Output is correct
13 Correct 14 ms 592 KB Output is correct
14 Correct 54 ms 716 KB Output is correct
15 Correct 37 ms 588 KB Output is correct
16 Correct 41 ms 588 KB Output is correct
17 Correct 46 ms 588 KB Output is correct
18 Correct 53 ms 588 KB Output is correct
19 Correct 61 ms 588 KB Output is correct
20 Correct 69 ms 588 KB Output is correct
21 Correct 87 ms 588 KB Output is correct
22 Correct 82 ms 708 KB Output is correct
23 Correct 89 ms 588 KB Output is correct
24 Correct 170 ms 720 KB Output is correct
25 Correct 97 ms 696 KB Output is correct
26 Correct 94 ms 588 KB Output is correct
27 Correct 94 ms 716 KB Output is correct
28 Correct 95 ms 716 KB Output is correct
29 Correct 87 ms 588 KB Output is correct
30 Execution timed out 2082 ms 716 KB Time limit exceeded
31 Halted 0 ms 0 KB -