oj.uz

Submission #799938

# Submission time Handle Problem Language Result Execution time Memory
799938 2023-08-01T08:38:17 Z LIF Catfish Farm (IOI22_fish) C++17
46 / 100
 1000 ms 116440 KB 
#include "fish.h"
#include <bits/stdc++.h>
#include <vector>
#include<unordered_map>
#pragma GCC optimize(3)
typedef long long int ll;
using namespace std;
long long int a[2][300005];
long long int mp[100005][10];
long long int dp[100005][10][10];
long long int s[100005][10];
vector<int> row[300005];
vector<pair<int,int> > vv[300005];
int find(int coll,int high)
{
	int pe = 0;
	for(int i=0;i<vv[coll].size();i++)
	{
		if(high >= vv[coll][i].first) pe += vv[coll][i].second; 
	}
	return pe;
}
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,std::vector<int> W) 
{
	//subtask1:
	bool flag1 = true;
	for(int i=0;i<X.size();i++)if(X[i] %2 != 0)flag1 = false;
	if(flag1 == true)
	{
		long long int su = 0;
		for(int i=0;i<W.size();i++)su += W[i];
		return su;
	}
	//
	//subtask2:
	bool flag2 = true;
	for(int i=0;i<X.size();i++)if(X[i] > 1)flag2 = false;
	if(flag2 == true)
	{
		long long int maxn = -1;
		long long int su = 0;
		for(int i=0;i<X.size();i++)a[X[i]][Y[i]] = W[i];
		if(N > 2)
		{	
			for(int i=0;i<N;i++)su += a[1][i];
			maxn = max(maxn,su);
			for(int i=0;i<N;i++)
			{
				su -= a[1][i];
				su += a[0][i];
				maxn = max(maxn,su);
			} 
			return maxn;
		}
		else
		{
			long long int su1 = 0;
			long long int su2 = 0;
			for(int i=0;i<N;i++)su1 += a[0][i];
			for(int i=0;i<N;i++)su2 += a[1][i];
			return max(su1,su2);
		}
	}	
	
	for(int i=0;i<X.size();i++)X[i] += 1;
	for(int i=0;i<Y.size();i++)Y[i] += 1;
	//subtask3:
	bool flag34 = true;
	for(int i=0;i<M;i++)
	{
		if(Y[i] > 10)flag34 = false;
	}
	long long int zero = 0;
	if(flag34 == true)
	{
		for(int i=0;i<M;i++)mp[X[i]][Y[i]] = W[i];
		for(int i=1;i<=N;i++)
		{
			for(int j=1;j<=9;j++)s[i][j] = s[i][j-1] + mp[i][j];
		}
		long long int maxn = -1;
		for(int i=1;i<=N;i++)
		{
			for(int j=0;j<=min(N,9);j++)
			{
				for(int k=0;k<=min(N,9);k++)
				{
					for(int l=0;l<=min(N,9);l++)
					{
						if(i!=1)dp[i+1][l][j] = max(dp[i+1][l][j],dp[i][j][k] + max(s[i][max(k,l)] - s[i][j],zero));
						else dp[i+1][l][j] = max(dp[i+1][l][j],dp[i][j][k] + max(s[i][l] - s[i][j],zero)); 
					}
				}
			}
			if(i!=1)
			{
				for(int j=0;j<=min(N,9);j++)
				{
					for(int k=0;k<=min(N,9);k++)
					{
						for(int pp=0;pp<=min(N,9);pp++)
						{
							dp[i][j][k] = max(dp[i][j][k],dp[i-1][k][pp] + max(s[i][k] - s[i][j],zero));
						}
					}
				}
			}
		}
		for(int i=1;i<=N;i++)
		{
			for(int j=0;j<=min(N,9);j++)
			{
				for(int k=0;k<=min(N,9);k++)
				{
					maxn = max(maxn,dp[i][j][k]);
				}
			}
		}
		return maxn;
	}
	else
	{
		for(int i=0;i<X.size();i++)vv[X[i]].push_back(make_pair(Y[i],W[i]));
		for(int i=0;i<X.size();i++)
		{
			row[X[i]-1].push_back(Y[i]);
			row[X[i]+1].push_back(Y[i]);
		}
		for(int i=1;i<=N;i++)
		{
			row[i].push_back(0);
			sort(row[i].begin(),row[i].end());
			sort(vv[i].begin(),vv[i].end());
		}
		for(int i=1;i<=N;i++)
		{
			for(int j=0;j<row[i].size();j++)
			{
				for(int k=0;k<row[i-1].size();k++)
				{
					for(int l=0;l<row[i+1].size();l++)
					{
						int maxcol = row[i+1][l];
						if(i!=1)maxcol = max(row[i-1][k],maxcol);
						
						int del = find(i,row[i][j]);
						int ad = find(i,maxcol);
						
						dp[i+1][l][j] = max(dp[i+1][l][j],dp[i][j][k] + max(ad-del,0));
					}
				}
			}
			
			if(i!=1)
			{
				for(int j=0;j<row[i].size();j++)
				{
					for(int k=0;k<row[i-1].size();k++)
					{
						for(int p=0;p<row[i-2].size();p++)
						{
							int ad = find(i,row[i-1][k]);
							int del = find(i,row[i][j]);
							dp[i][j][k] = max(dp[i][j][k],dp[i-1][k][p] + max(ad-del,0));
						}
					}
				}
			}
		}
		long long int maxn = -1;
		for(int i=1;i<=N;i++)
		{
			for(int j=0;j<row[i].size();j++)
			{
				for(int k=0;k<row[i-1].size();k++)
				{
					maxn = max(maxn,dp[i][j][k]);
					
				}
			}
		}
		return maxn;
	}
	
	//
	
  return 0;
}

Compilation message

fish.cpp: In function 'int find(int, int)':
fish.cpp:17:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for(int i=0;i<vv[coll].size();i++)
      |              ~^~~~~~~~~~~~~~~~
fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |  for(int i=0;i<X.size();i++)if(X[i] %2 != 0)flag1 = false;
      |              ~^~~~~~~~~
fish.cpp:31:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |   for(int i=0;i<W.size();i++)su += W[i];
      |               ~^~~~~~~~~
fish.cpp:37:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |  for(int i=0;i<X.size();i++)if(X[i] > 1)flag2 = false;
      |              ~^~~~~~~~~
fish.cpp:42:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |   for(int i=0;i<X.size();i++)a[X[i]][Y[i]] = W[i];
      |               ~^~~~~~~~~
fish.cpp:65:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |  for(int i=0;i<X.size();i++)X[i] += 1;
      |              ~^~~~~~~~~
fish.cpp:66:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |  for(int i=0;i<Y.size();i++)Y[i] += 1;
      |              ~^~~~~~~~~
fish.cpp:123:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |   for(int i=0;i<X.size();i++)vv[X[i]].push_back(make_pair(Y[i],W[i]));
      |               ~^~~~~~~~~
fish.cpp:124:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  124 |   for(int i=0;i<X.size();i++)
      |               ~^~~~~~~~~
fish.cpp:137:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  137 |    for(int j=0;j<row[i].size();j++)
      |                ~^~~~~~~~~~~~~~
fish.cpp:139:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  139 |     for(int k=0;k<row[i-1].size();k++)
      |                 ~^~~~~~~~~~~~~~~~
fish.cpp:141:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  141 |      for(int l=0;l<row[i+1].size();l++)
      |                  ~^~~~~~~~~~~~~~~~
fish.cpp:156:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  156 |     for(int j=0;j<row[i].size();j++)
      |                 ~^~~~~~~~~~~~~~
fish.cpp:158:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  158 |      for(int k=0;k<row[i-1].size();k++)
      |                  ~^~~~~~~~~~~~~~~~
fish.cpp:160:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  160 |       for(int p=0;p<row[i-2].size();p++)
      |                   ~^~~~~~~~~~~~~~~~
fish.cpp:173:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  173 |    for(int j=0;j<row[i].size();j++)
      |                ~^~~~~~~~~~~~~~
fish.cpp:175:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  175 |     for(int k=0;k<row[i-1].size();k++)
      |                 ~^~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 17636 KB Output is correct
2 Correct 29 ms 18368 KB Output is correct
3 Correct 10 ms 14312 KB Output is correct
4 Correct 8 ms 14292 KB Output is correct
5 Correct 76 ms 27748 KB Output is correct
6 Correct 80 ms 28136 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14292 KB Output is correct
2 Correct 44 ms 22428 KB Output is correct
3 Correct 56 ms 24036 KB Output is correct
4 Correct 25 ms 17640 KB Output is correct
5 Correct 28 ms 18456 KB Output is correct
6 Correct 8 ms 14292 KB Output is correct
7 Correct 6 ms 14420 KB Output is correct
8 Correct 7 ms 14420 KB Output is correct
9 Correct 6 ms 14396 KB Output is correct
10 Correct 7 ms 14400 KB Output is correct
11 Correct 7 ms 14292 KB Output is correct
12 Correct 25 ms 18368 KB Output is correct
13 Correct 30 ms 19148 KB Output is correct
14 Correct 27 ms 18420 KB Output is correct
15 Correct 29 ms 18896 KB Output is correct
16 Correct 27 ms 18416 KB Output is correct
17 Correct 29 ms 18780 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14292 KB Output is correct
2 Correct 294 ms 100424 KB Output is correct
3 Correct 275 ms 98876 KB Output is correct
4 Correct 302 ms 106692 KB Output is correct
5 Correct 322 ms 112264 KB Output is correct
6 Correct 310 ms 111564 KB Output is correct
7 Correct 316 ms 112236 KB Output is correct
8 Correct 320 ms 112188 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB Output is correct
2 Correct 7 ms 14396 KB Output is correct
3 Correct 7 ms 14348 KB Output is correct
4 Correct 6 ms 14380 KB Output is correct
5 Correct 8 ms 14420 KB Output is correct
6 Correct 9 ms 14420 KB Output is correct
7 Correct 8 ms 14292 KB Output is correct
8 Correct 7 ms 14420 KB Output is correct
9 Correct 8 ms 14548 KB Output is correct
10 Correct 9 ms 14676 KB Output is correct
11 Correct 7 ms 14548 KB Output is correct
12 Correct 8 ms 14676 KB Output is correct
13 Correct 7 ms 14400 KB Output is correct
14 Correct 8 ms 14676 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB Output is correct
2 Correct 7 ms 14396 KB Output is correct
3 Correct 7 ms 14348 KB Output is correct
4 Correct 6 ms 14380 KB Output is correct
5 Correct 8 ms 14420 KB Output is correct
6 Correct 9 ms 14420 KB Output is correct
7 Correct 8 ms 14292 KB Output is correct
8 Correct 7 ms 14420 KB Output is correct
9 Correct 8 ms 14548 KB Output is correct
10 Correct 9 ms 14676 KB Output is correct
11 Correct 7 ms 14548 KB Output is correct
12 Correct 8 ms 14676 KB Output is correct
13 Correct 7 ms 14400 KB Output is correct
14 Correct 8 ms 14676 KB Output is correct
15 Correct 7 ms 14676 KB Output is correct
16 Execution timed out 1091 ms 14568 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB Output is correct
2 Correct 7 ms 14396 KB Output is correct
3 Correct 7 ms 14348 KB Output is correct
4 Correct 6 ms 14380 KB Output is correct
5 Correct 8 ms 14420 KB Output is correct
6 Correct 9 ms 14420 KB Output is correct
7 Correct 8 ms 14292 KB Output is correct
8 Correct 7 ms 14420 KB Output is correct
9 Correct 8 ms 14548 KB Output is correct
10 Correct 9 ms 14676 KB Output is correct
11 Correct 7 ms 14548 KB Output is correct
12 Correct 8 ms 14676 KB Output is correct
13 Correct 7 ms 14400 KB Output is correct
14 Correct 8 ms 14676 KB Output is correct
15 Correct 7 ms 14676 KB Output is correct
16 Execution timed out 1091 ms 14568 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14292 KB Output is correct
2 Correct 294 ms 100424 KB Output is correct
3 Correct 275 ms 98876 KB Output is correct
4 Correct 302 ms 106692 KB Output is correct
5 Correct 322 ms 112264 KB Output is correct
6 Correct 310 ms 111564 KB Output is correct
7 Correct 316 ms 112236 KB Output is correct
8 Correct 320 ms 112188 KB Output is correct
9 Correct 128 ms 102612 KB Output is correct
10 Correct 191 ms 65452 KB Output is correct
11 Correct 339 ms 116440 KB Output is correct
12 Correct 7 ms 14404 KB Output is correct
13 Correct 7 ms 14420 KB Output is correct
14 Correct 7 ms 14420 KB Output is correct
15 Correct 7 ms 14408 KB Output is correct
16 Correct 7 ms 14292 KB Output is correct
17 Correct 8 ms 14404 KB Output is correct
18 Correct 7 ms 14284 KB Output is correct
19 Correct 8 ms 14408 KB Output is correct
20 Correct 294 ms 100400 KB Output is correct
21 Correct 50 ms 95796 KB Output is correct
22 Correct 169 ms 102468 KB Output is correct
23 Correct 362 ms 116440 KB Output is correct
24 Correct 318 ms 110292 KB Output is correct

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 17636 KB Output is correct
2 Correct 29 ms 18368 KB Output is correct
3 Correct 10 ms 14312 KB Output is correct
4 Correct 8 ms 14292 KB Output is correct
5 Correct 76 ms 27748 KB Output is correct
6 Correct 80 ms 28136 KB Output is correct
7 Correct 7 ms 14292 KB Output is correct
8 Correct 44 ms 22428 KB Output is correct
9 Correct 56 ms 24036 KB Output is correct
10 Correct 25 ms 17640 KB Output is correct
11 Correct 28 ms 18456 KB Output is correct
12 Correct 8 ms 14292 KB Output is correct
13 Correct 6 ms 14420 KB Output is correct
14 Correct 7 ms 14420 KB Output is correct
15 Correct 6 ms 14396 KB Output is correct
16 Correct 7 ms 14400 KB Output is correct
17 Correct 7 ms 14292 KB Output is correct
18 Correct 25 ms 18368 KB Output is correct
19 Correct 30 ms 19148 KB Output is correct
20 Correct 27 ms 18420 KB Output is correct
21 Correct 29 ms 18896 KB Output is correct
22 Correct 27 ms 18416 KB Output is correct
23 Correct 29 ms 18780 KB Output is correct
24 Correct 7 ms 14292 KB Output is correct
25 Correct 294 ms 100424 KB Output is correct
26 Correct 275 ms 98876 KB Output is correct
27 Correct 302 ms 106692 KB Output is correct
28 Correct 322 ms 112264 KB Output is correct
29 Correct 310 ms 111564 KB Output is correct
30 Correct 316 ms 112236 KB Output is correct
31 Correct 320 ms 112188 KB Output is correct
32 Correct 7 ms 14420 KB Output is correct
33 Correct 7 ms 14396 KB Output is correct
34 Correct 7 ms 14348 KB Output is correct
35 Correct 6 ms 14380 KB Output is correct
36 Correct 8 ms 14420 KB Output is correct
37 Correct 9 ms 14420 KB Output is correct
38 Correct 8 ms 14292 KB Output is correct
39 Correct 7 ms 14420 KB Output is correct
40 Correct 8 ms 14548 KB Output is correct
41 Correct 9 ms 14676 KB Output is correct
42 Correct 7 ms 14548 KB Output is correct
43 Correct 8 ms 14676 KB Output is correct
44 Correct 7 ms 14400 KB Output is correct
45 Correct 8 ms 14676 KB Output is correct
46 Correct 7 ms 14676 KB Output is correct
47 Execution timed out 1091 ms 14568 KB Time limit exceeded
48 Halted 0 ms 0 KB -