oj.uz

Submission #1106982

# Submission time Handle Problem Language Result Execution time Memory
1106982 2024-10-31T10:52:37 Z I_am_Polish_Girl Catfish Farm (IOI22_fish) C++17
18 / 100
 96 ms 24136 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 (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:141:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  141 |     for (int j = 0; j < vp[i].size(); j++)
      |                     ~~^~~~~~~~~~~~~~
fish.cpp:153:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  153 |    for (int j = 0; j < vp[i].size(); j++)
      |                    ~~^~~~~~~~~~~~~~
fish.cpp:163:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  163 |   for (int j = 0; j < vp[i].size(); j++)
      |                   ~~^~~~~~~~~~~~~~
fish.cpp:171:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  171 |    for (int j = 0; j < vp[i - 1].size(); j++)
      |                    ~~^~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 10692 KB Output is correct
2 Correct 39 ms 12196 KB Output is correct
3 Correct 3 ms 7416 KB Output is correct
4 Correct 4 ms 7248 KB Output is correct
5 Correct 96 ms 21420 KB Output is correct
6 Correct 85 ms 24136 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 53 ms 14516 KB Output is correct
3 Correct 59 ms 16976 KB Output is correct
4 Correct 32 ms 10644 KB Output is correct
5 Correct 28 ms 12200 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 3 ms 7248 KB Output is correct
11 Correct 3 ms 7248 KB Output is correct
12 Correct 23 ms 10732 KB Output is correct
13 Correct 29 ms 12228 KB Output is correct
14 Correct 23 ms 10628 KB Output is correct
15 Correct 26 ms 11972 KB Output is correct
16 Correct 23 ms 10700 KB Output is correct
17 Correct 27 ms 11716 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7248 KB Output is correct
2 Correct 3 ms 7248 KB Output is correct
3 Correct 28 ms 13032 KB Output is correct
4 Correct 18 ms 11620 KB Output is correct
5 Correct 44 ms 19088 KB Output is correct
6 Correct 38 ms 19208 KB Output is correct
7 Correct 44 ms 19024 KB Output is correct
8 Correct 49 ms 19208 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 336 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 1 ms 336 KB Output is correct
9 Incorrect 1 ms 336 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 336 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 1 ms 336 KB Output is correct
9 Incorrect 1 ms 336 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 336 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 1 ms 336 KB Output is correct
9 Incorrect 1 ms 336 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 3 ms 7248 KB Output is correct
2 Correct 3 ms 7248 KB Output is correct
3 Correct 28 ms 13032 KB Output is correct
4 Correct 18 ms 11620 KB Output is correct
5 Correct 44 ms 19088 KB Output is correct
6 Correct 38 ms 19208 KB Output is correct
7 Correct 44 ms 19024 KB Output is correct
8 Correct 49 ms 19208 KB Output is correct
9 Correct 43 ms 19016 KB Output is correct
10 Incorrect 37 ms 10832 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 39 ms 10692 KB Output is correct
2 Correct 39 ms 12196 KB Output is correct
3 Correct 3 ms 7416 KB Output is correct
4 Correct 4 ms 7248 KB Output is correct
5 Correct 96 ms 21420 KB Output is correct
6 Correct 85 ms 24136 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 53 ms 14516 KB Output is correct
9 Correct 59 ms 16976 KB Output is correct
10 Correct 32 ms 10644 KB Output is correct
11 Correct 28 ms 12200 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 3 ms 7248 KB Output is correct
17 Correct 3 ms 7248 KB Output is correct
18 Correct 23 ms 10732 KB Output is correct
19 Correct 29 ms 12228 KB Output is correct
20 Correct 23 ms 10628 KB Output is correct
21 Correct 26 ms 11972 KB Output is correct
22 Correct 23 ms 10700 KB Output is correct
23 Correct 27 ms 11716 KB Output is correct
24 Correct 3 ms 7248 KB Output is correct
25 Correct 3 ms 7248 KB Output is correct
26 Correct 28 ms 13032 KB Output is correct
27 Correct 18 ms 11620 KB Output is correct
28 Correct 44 ms 19088 KB Output is correct
29 Correct 38 ms 19208 KB Output is correct
30 Correct 44 ms 19024 KB Output is correct
31 Correct 49 ms 19208 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 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 1 ms 336 KB Output is correct
40 Incorrect 1 ms 336 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '194964455320'
41 Halted 0 ms 0 KB -