oj.uz

Submission #1107006

# Submission time Handle Problem Language Result Execution time Memory
1107006 2024-10-31T11:22:22 Z I_am_Polish_Girl Catfish Farm (IOI22_fish) C++17
9 / 100
 103 ms 25928 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);
	vector <long long> sum(n);


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

		sum[X[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;

	vector <long long> dp(n);

	for (int i = 0; i < n; i++)
	{

		if (i >= 3)
		{
			mx_ = max(mx_, dp[i - 3] + sum[i - 2] + sum[i - 1]);
		}

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


		if ((i > 0) and (vp[i].size() > 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 mx1 = 0;
				long long mx2 = 0;


				for (int j = sz - 1; j >= 0; j--)
				{
					while ((ind >= 0) and (vp[i - 1][ind].first > vp[i][j].first))
					{
						mx1 = max(mx1, dp1[i - 1][ind]);
						ind--;

					}

					mx1 = max(mx1, mx_);
					mx2 = max(mx2, mx_);

					dp1[i][j] = max(mx1 , mx2) + vp[i][j].second;

					if (i < n - 1)
					{
						dp0[i][j] = max(dp0[i][j], mx1+ vp[i][j].second);
					}

					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]);
						}
					}

					mx2 = max(mx2, dp1[i][j]);
				}

			}

			if (i < n - 1)
			{
				if (vp[i].size() > 0)
				{
					long long mx__ = 0;
					for (int j = 0; j < vp[i].size(); j++)
					{
						if (mx__ != 0)
							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]);
			}
		}

		dp[i] = mx_;

		ans = max(ans, mx_);
	}


	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:41:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for (int i = 0; i < X.size(); i++)
      |                  ~~^~~~~~~~~~
fish.cpp:75:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |   for (int j = 0; j < vp[i].size(); j++)
      |                   ~~^~~~~~~~~~~~~~
fish.cpp:94:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |      while ((ind < vp[i - 1].size()) and (vp[i - 1][ind].first < vp[i][j].first))
      |              ~~~~^~~~~~~~~~~~~~~~~~
fish.cpp:157:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  157 |      for (int j = 0; j < vp[i].size(); j++)
      |                      ~~^~~~~~~~~~~~~~
fish.cpp:172:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  172 |    for (int j = 0; j < vp[i].size(); j++)
      |                    ~~^~~~~~~~~~~~~~
fish.cpp:182:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  182 |   for (int j = 0; j < vp[i].size(); j++)
      |                   ~~^~~~~~~~~~~~~~
fish.cpp:190:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  190 |    for (int j = 0; j < vp[i - 1].size(); j++)
      |                    ~~^~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 11972 KB Output is correct
2 Correct 33 ms 13780 KB Output is correct
3 Correct 4 ms 9040 KB Output is correct
4 Correct 4 ms 9040 KB Output is correct
5 Correct 98 ms 23004 KB Output is correct
6 Correct 103 ms 25928 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 52 ms 16160 KB Output is correct
3 Correct 59 ms 18620 KB Output is correct
4 Correct 25 ms 11972 KB Output is correct
5 Correct 30 ms 13780 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 4 ms 9040 KB Output is correct
11 Correct 4 ms 9040 KB Output is correct
12 Correct 25 ms 12008 KB Output is correct
13 Correct 33 ms 13744 KB Output is correct
14 Correct 25 ms 12160 KB Output is correct
15 Correct 29 ms 13396 KB Output is correct
16 Correct 28 ms 12228 KB Output is correct
17 Correct 27 ms 13252 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9040 KB Output is correct
2 Correct 4 ms 9040 KB Output is correct
3 Incorrect 23 ms 14388 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '24507256928859'
4 Halted 0 ms 0 KB -

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: '258052801942'
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: '258052801942'
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: '258052801942'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9040 KB Output is correct
2 Correct 4 ms 9040 KB Output is correct
3 Incorrect 23 ms 14388 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '24507256928859'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 11972 KB Output is correct
2 Correct 33 ms 13780 KB Output is correct
3 Correct 4 ms 9040 KB Output is correct
4 Correct 4 ms 9040 KB Output is correct
5 Correct 98 ms 23004 KB Output is correct
6 Correct 103 ms 25928 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 52 ms 16160 KB Output is correct
9 Correct 59 ms 18620 KB Output is correct
10 Correct 25 ms 11972 KB Output is correct
11 Correct 30 ms 13780 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 4 ms 9040 KB Output is correct
17 Correct 4 ms 9040 KB Output is correct
18 Correct 25 ms 12008 KB Output is correct
19 Correct 33 ms 13744 KB Output is correct
20 Correct 25 ms 12160 KB Output is correct
21 Correct 29 ms 13396 KB Output is correct
22 Correct 28 ms 12228 KB Output is correct
23 Correct 27 ms 13252 KB Output is correct
24 Correct 4 ms 9040 KB Output is correct
25 Correct 4 ms 9040 KB Output is correct
26 Incorrect 23 ms 14388 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '24507256928859'
27 Halted 0 ms 0 KB -