oj.uz

Submission #1107002

# Submission time Handle Problem Language Result Execution time Memory
1107002 2024-10-31T11:12:41 Z I_am_Polish_Girl Catfish Farm (IOI22_fish) C++17
18 / 100
 105 ms 24824 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) 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]);
			}
		}
	}


	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:145:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  145 |      for (int j = 0; j < vp[i].size(); j++)
      |                      ~~^~~~~~~~~~~~~~
fish.cpp:160:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  160 |    for (int j = 0; j < vp[i].size(); j++)
      |                    ~~^~~~~~~~~~~~~~
fish.cpp:170:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  170 |   for (int j = 0; j < vp[i].size(); j++)
      |                   ~~^~~~~~~~~~~~~~
fish.cpp:178:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  178 |    for (int j = 0; j < vp[i - 1].size(); j++)
      |                    ~~^~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 10692 KB Output is correct
2 Correct 28 ms 12228 KB Output is correct
3 Correct 3 ms 7248 KB Output is correct
4 Correct 2 ms 7248 KB Output is correct
5 Correct 87 ms 21424 KB Output is correct
6 Correct 90 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 47 ms 14536 KB Output is correct
3 Correct 56 ms 16968 KB Output is correct
4 Correct 23 ms 10692 KB Output is correct
5 Correct 30 ms 12220 KB Output is correct
6 Correct 1 ms 508 KB Output is correct
7 Correct 0 ms 336 KB Output is correct
8 Correct 1 ms 504 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Correct 2 ms 7248 KB Output is correct
11 Correct 3 ms 7248 KB Output is correct
12 Correct 23 ms 10692 KB Output is correct
13 Correct 28 ms 12228 KB Output is correct
14 Correct 24 ms 10588 KB Output is correct
15 Correct 34 ms 11972 KB Output is correct
16 Correct 24 ms 10692 KB Output is correct
17 Correct 36 ms 11744 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7416 KB Output is correct
2 Correct 3 ms 7248 KB Output is correct
3 Correct 23 ms 12892 KB Output is correct
4 Correct 21 ms 11600 KB Output is correct
5 Correct 67 ms 19016 KB Output is correct
6 Correct 51 ms 19064 KB Output is correct
7 Correct 43 ms 19024 KB Output is correct
8 Correct 41 ms 19060 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 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 760 KB Output is correct
11 Incorrect 2 ms 336 KB 1st lines differ - on the 1st token, expected: '278622587073', found: '274688519626'
12 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 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 760 KB Output is correct
11 Incorrect 2 ms 336 KB 1st lines differ - on the 1st token, expected: '278622587073', found: '274688519626'
12 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 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 760 KB Output is correct
11 Incorrect 2 ms 336 KB 1st lines differ - on the 1st token, expected: '278622587073', found: '274688519626'
12 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7416 KB Output is correct
2 Correct 3 ms 7248 KB Output is correct
3 Correct 23 ms 12892 KB Output is correct
4 Correct 21 ms 11600 KB Output is correct
5 Correct 67 ms 19016 KB Output is correct
6 Correct 51 ms 19064 KB Output is correct
7 Correct 43 ms 19024 KB Output is correct
8 Correct 41 ms 19060 KB Output is correct
9 Correct 38 ms 19020 KB Output is correct
10 Correct 34 ms 10832 KB Output is correct
11 Correct 105 ms 24824 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 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 4 ms 7248 KB Output is correct
19 Correct 3 ms 7248 KB Output is correct
20 Correct 3 ms 7248 KB Output is correct
21 Correct 5 ms 7248 KB Output is correct
22 Incorrect 44 ms 18000 KB 1st lines differ - on the 1st token, expected: '45561826463480', found: '44713957488590'
23 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 10692 KB Output is correct
2 Correct 28 ms 12228 KB Output is correct
3 Correct 3 ms 7248 KB Output is correct
4 Correct 2 ms 7248 KB Output is correct
5 Correct 87 ms 21424 KB Output is correct
6 Correct 90 ms 24172 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 47 ms 14536 KB Output is correct
9 Correct 56 ms 16968 KB Output is correct
10 Correct 23 ms 10692 KB Output is correct
11 Correct 30 ms 12220 KB Output is correct
12 Correct 1 ms 508 KB Output is correct
13 Correct 0 ms 336 KB Output is correct
14 Correct 1 ms 504 KB Output is correct
15 Correct 0 ms 336 KB Output is correct
16 Correct 2 ms 7248 KB Output is correct
17 Correct 3 ms 7248 KB Output is correct
18 Correct 23 ms 10692 KB Output is correct
19 Correct 28 ms 12228 KB Output is correct
20 Correct 24 ms 10588 KB Output is correct
21 Correct 34 ms 11972 KB Output is correct
22 Correct 24 ms 10692 KB Output is correct
23 Correct 36 ms 11744 KB Output is correct
24 Correct 3 ms 7416 KB Output is correct
25 Correct 3 ms 7248 KB Output is correct
26 Correct 23 ms 12892 KB Output is correct
27 Correct 21 ms 11600 KB Output is correct
28 Correct 67 ms 19016 KB Output is correct
29 Correct 51 ms 19064 KB Output is correct
30 Correct 43 ms 19024 KB Output is correct
31 Correct 41 ms 19060 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 Correct 1 ms 336 KB Output is correct
41 Correct 2 ms 760 KB Output is correct
42 Incorrect 2 ms 336 KB 1st lines differ - on the 1st token, expected: '278622587073', found: '274688519626'
43 Halted 0 ms 0 KB -