oj.uz

Submission #1106984

# Submission time Handle Problem Language Result Execution time Memory
1106984 2024-10-31T10:54:22 Z I_am_Polish_Girl Catfish Farm (IOI22_fish) C++17
18 / 100
 101 ms 24172 KB 
#include "fish.h"

#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <stack>
#include <queue>
#include <cmath>
#include <random>
#include <chrono>
#include <iomanip>
#include <iostream>
#include <bitset>
#include <cmath>
#include <string>

using namespace std;


int log_ = 23;
long long inf = 8000000007000000007ll;
int mod = 1000000007;

int p = 523;


#include <vector>

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) 
{
	int n = N;
	

	vector <vector <pair <int, int>>> vp(n);


	for (int i = 0; i < X.size(); i++)
	{
		vp[X[i]].push_back({ Y[i] , W[i] });
	}

	for (int i = 0; i < n; i++)
	{
		sort(vp[i].begin(), vp[i].end());
	}

	vector <vector <long long>> dp0(n);
	vector <vector <long long>> dp1(n);

	for (int i = 0; i < n; i++)
	{
		dp0[i].resize(vp[i].size());
		dp1[i].resize(vp[i].size());
	}

	long long ans = 0;
	long long mx_ = 0;

	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < vp[i].size(); j++)
		{
			ans = max(ans , mx_ + vp[i][j].second);
		}

		if (i > 0)
		{

			if (i != n - 1)
			{
				int ind = 0;

				int sz = vp[i].size();

				long long mx = 0;

				for (int j = 0; j < sz; j++)
				{
					while ((ind < vp[i - 1].size()) and (vp[i - 1][ind].first < vp[i][j].first))
					{

						mx = max(mx, dp0[i - 1][ind]);
						ind++;
					}

					mx = max(mx, mx_);

					dp0[i][j] = mx + vp[i][j].second;
					mx = max(mx, dp0[i][j]);
				}
			}

			if (i != 0)
			{
				int ind = vp[i - 1].size();

				ind--;

				int sz = vp[i].size();

				long long mx = 0;

				for (int j = sz - 1; j >= 0; j--)
				{
					while ((ind >= 0) and (vp[i - 1][ind].first > vp[i][j].first))
					{
						mx = max(mx, dp1[i - 1][ind]);
						ind--;

					}

					mx = max(mx, mx_);

					dp1[i][j] = mx + vp[i][j].second;

					if (i < n - 1)
					{
						dp0[i][j] = max(dp0[i][j], dp1[i][j]);
					}

					if ((ind >= 0) and(i != n - 1))
					{
						if (vp[i - 1][ind].first == vp[i][j].first)
						{
							dp0[i][j] = max(dp1[i - 1][ind] + vp[i][j].second, dp0[i][j]);
						}
					}

					mx = max(mx, dp1[i][j]);

				}

			}

			if (i < n - 1)
			{
				if (vp[i].size() > 0)
				{
					long long mx = -vp[i][0].second - 100;
					for (int j = 0; j < vp[i].size(); j++)
					{
						//					mx += vp[i][j].second;
						mx = max(mx, dp0[i][j]);

						dp0[i][j] = mx;
					}
				}
			}
		}
		else
		{
			long long s = 0;
			for (int j = 0; j < vp[i].size(); j++)
			{
				s += vp[i][j].second;

				dp0[i][j] = s;
				dp1[i][j] = 0;
			}
		}


		for (int j = 0; j < vp[i].size(); j++)
		{
			ans = max(ans, dp0[i][j]);
			ans = max(ans, dp1[i][j]);
		}

		if (i - 1 >= 0)
		{
			for (int j = 0; j < vp[i - 1].size(); j++)
			{
				mx_ = max(mx_, dp0[i - 1][j]);
				mx_ = max(mx_, dp1[i - 1][j]);
			}
		}
	}


	return ans;
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.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 < X.size(); i++)
      |                  ~~^~~~~~~~~~
fish.cpp:64:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |   for (int j = 0; j < vp[i].size(); j++)
      |                   ~~^~~~~~~~~~~~~~
fish.cpp:82:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |      while ((ind < vp[i - 1].size()) and (vp[i - 1][ind].first < vp[i][j].first))
      |              ~~~~^~~~~~~~~~~~~~~~~~
fish.cpp:143:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  143 |      for (int j = 0; j < vp[i].size(); j++)
      |                      ~~^~~~~~~~~~~~~~
fish.cpp:156:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  156 |    for (int j = 0; j < vp[i].size(); j++)
      |                    ~~^~~~~~~~~~~~~~
fish.cpp:166:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  166 |   for (int j = 0; j < vp[i].size(); j++)
      |                   ~~^~~~~~~~~~~~~~
fish.cpp:174:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  174 |    for (int j = 0; j < vp[i - 1].size(); j++)
      |                    ~~^~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 10692 KB Output is correct
2 Correct 30 ms 12124 KB Output is correct
3 Correct 3 ms 7464 KB Output is correct
4 Correct 3 ms 7248 KB Output is correct
5 Correct 101 ms 21452 KB Output is correct
6 Correct 92 ms 24172 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 55 ms 14516 KB Output is correct
3 Correct 58 ms 16956 KB Output is correct
4 Correct 23 ms 10848 KB Output is correct
5 Correct 33 ms 12232 KB Output is correct
6 Correct 1 ms 504 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 2 ms 7368 KB Output is correct
11 Correct 3 ms 7260 KB Output is correct
12 Correct 24 ms 10620 KB Output is correct
13 Correct 33 ms 12204 KB Output is correct
14 Correct 24 ms 10636 KB Output is correct
15 Correct 26 ms 11984 KB Output is correct
16 Correct 24 ms 10704 KB Output is correct
17 Correct 27 ms 11728 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7420 KB Output is correct
2 Correct 2 ms 7264 KB Output is correct
3 Correct 23 ms 13080 KB Output is correct
4 Correct 16 ms 11768 KB Output is correct
5 Correct 42 ms 19040 KB Output is correct
6 Correct 40 ms 19024 KB Output is correct
7 Correct 40 ms 19040 KB Output is correct
8 Correct 40 ms 19024 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Incorrect 1 ms 508 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '194964455320'
10 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Incorrect 1 ms 508 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '194964455320'
10 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Incorrect 1 ms 508 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '194964455320'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7420 KB Output is correct
2 Correct 2 ms 7264 KB Output is correct
3 Correct 23 ms 13080 KB Output is correct
4 Correct 16 ms 11768 KB Output is correct
5 Correct 42 ms 19040 KB Output is correct
6 Correct 40 ms 19024 KB Output is correct
7 Correct 40 ms 19040 KB Output is correct
8 Correct 40 ms 19024 KB Output is correct
9 Correct 39 ms 19024 KB Output is correct
10 Incorrect 33 ms 10824 KB 1st lines differ - on the 1st token, expected: '36454348383152', found: '32247709734698'
11 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 10692 KB Output is correct
2 Correct 30 ms 12124 KB Output is correct
3 Correct 3 ms 7464 KB Output is correct
4 Correct 3 ms 7248 KB Output is correct
5 Correct 101 ms 21452 KB Output is correct
6 Correct 92 ms 24172 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 55 ms 14516 KB Output is correct
9 Correct 58 ms 16956 KB Output is correct
10 Correct 23 ms 10848 KB Output is correct
11 Correct 33 ms 12232 KB Output is correct
12 Correct 1 ms 504 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 2 ms 7368 KB Output is correct
17 Correct 3 ms 7260 KB Output is correct
18 Correct 24 ms 10620 KB Output is correct
19 Correct 33 ms 12204 KB Output is correct
20 Correct 24 ms 10636 KB Output is correct
21 Correct 26 ms 11984 KB Output is correct
22 Correct 24 ms 10704 KB Output is correct
23 Correct 27 ms 11728 KB Output is correct
24 Correct 4 ms 7420 KB Output is correct
25 Correct 2 ms 7264 KB Output is correct
26 Correct 23 ms 13080 KB Output is correct
27 Correct 16 ms 11768 KB Output is correct
28 Correct 42 ms 19040 KB Output is correct
29 Correct 40 ms 19024 KB Output is correct
30 Correct 40 ms 19040 KB Output is correct
31 Correct 40 ms 19024 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 504 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
36 Correct 1 ms 336 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 0 ms 336 KB Output is correct
40 Incorrect 1 ms 508 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '194964455320'
41 Halted 0 ms 0 KB -