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Submission #961341

# Submission time Handle Problem Language Result Execution time Memory
961341 2024-04-11T21:24:28 Z MinaRagy06 Aliens (IOI16_aliens) C++17
12 / 100
 117 ms 2424 KB 
#include <bits/stdc++.h>
#include "aliens.h"
#ifdef MINA
#include "grader.cpp"
#endif
using namespace std;
#define ll long long
#define sz(x) (int) x.size()

ll take_photos(int n, int crap, int m, vector<int> r, vector<int> c) {
	array<ll, 2> a[n];
	vector<ll> v;
	for (int i = 0; i < n; i++) {
		a[i] = {r[i], c[i]};
		v.push_back(r[i]);
		v.push_back(c[i]);
	}
	v.push_back(-1);
	sort(v.begin(), v.end());
	v.resize(unique(v.begin(), v.end()) - v.begin());
	auto get = [&] (int x) {
		return lower_bound(v.begin(), v.end(), x) - v.begin();
	};
	n = v.size() - 1;
	ll mn[n + 1]{}, mx[n + 1]{};
	for (int i = 0; i <= n; i++) {
		mn[i] = 1e9;
		mx[i] = -1e9;
	}
	for (int i = 0; i < sz(r); i++) {
		a[i][0] = get(a[i][0]);
		a[i][1] = get(a[i][1]);
		mn[a[i][0]] = min(mn[a[i][0]], a[i][1]);
		mx[a[i][0]] = max(mx[a[i][0]], a[i][1]);
//		cout << "> " << a[i][0] << ' ' << a[i][1] << '\n';
	}
	ll dp[m + 1][n + 1]{};
	memset(dp, '?', sizeof dp);
	for (int j = 0; j <= m; j++) dp[j][0] = 0;
	for (int j = 1; j <= m; j++) {
		for (int i = 1; i <= n; i++) {
			ll curmn = 1e9, curmx = -1e9;
			for (int k = i; k >= 1; k--) {
				curmn = min(curmn, mn[k]);
				curmx = max(curmx, mx[k]);
//				if (j == m && i == n && k == 3) {
//					cout << "HI" << endl;
//				}
				if (k <= curmn && curmx <= i) {
					dp[j][i] = min(dp[j][i], dp[j - 1][k - 1] + (v[i] - v[k] + 1) * (v[i] - v[k] + 1));
				}
			}
		}
	}
//	cout << dp[1][2] << '\n';
	return dp[m][n];
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct answer: answer = 4
2 Correct 0 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Incorrect 0 ms 348 KB Wrong answer: output = 16, expected = 12
5 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Correct answer: answer = 1
2 Correct 0 ms 436 KB Correct answer: answer = 4
3 Correct 1 ms 348 KB Correct answer: answer = 1
4 Correct 0 ms 348 KB Correct answer: answer = 5
5 Correct 0 ms 344 KB Correct answer: answer = 41
6 Correct 0 ms 348 KB Correct answer: answer = 71923
7 Correct 1 ms 348 KB Correct answer: answer = 77137
8 Correct 41 ms 1220 KB Correct answer: answer = 764
9 Correct 1 ms 348 KB Correct answer: answer = 250000
10 Correct 117 ms 2424 KB Correct answer: answer = 500
11 Correct 0 ms 348 KB Correct answer: answer = 32
12 Correct 1 ms 348 KB Correct answer: answer = 130050
13 Correct 12 ms 432 KB Correct answer: answer = 5110
14 Correct 2 ms 344 KB Correct answer: answer = 2626
15 Correct 6 ms 460 KB Correct answer: answer = 796
16 Correct 8 ms 604 KB Correct answer: answer = 7580
17 Correct 33 ms 860 KB Correct answer: answer = 1904
18 Correct 1 ms 604 KB Correct answer: answer = 996004
19 Correct 4 ms 348 KB Correct answer: answer = 38817
20 Correct 15 ms 600 KB Correct answer: answer = 4096
21 Correct 1 ms 344 KB Correct answer: answer = 1
22 Correct 1 ms 348 KB Correct answer: answer = 1
23 Correct 33 ms 860 KB Correct answer: answer = 2040
24 Correct 1 ms 344 KB Correct answer: answer = 2

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct answer: answer = 4
2 Correct 0 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Incorrect 0 ms 348 KB Wrong answer: output = 16, expected = 12
5 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct answer: answer = 4
2 Correct 0 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Incorrect 0 ms 348 KB Wrong answer: output = 16, expected = 12
5 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct answer: answer = 4
2 Correct 0 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Incorrect 0 ms 348 KB Wrong answer: output = 16, expected = 12
5 Halted 0 ms 0 KB -

Subtask #6
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct answer: answer = 4
2 Correct 0 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Incorrect 0 ms 348 KB Wrong answer: output = 16, expected = 12
5 Halted 0 ms 0 KB -