oj.uz

답안 #626847

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
626847 2022-08-11T21:36:46 Z welleyth 메기 농장 (IOI22_fish) C++17
37 / 100
 725 ms 84528 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;

constexpr int NN = 1e5 + 10;
constexpr long long INF = (long long)2e18 + 10;

#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
//#pragma GCC target ("avx2")

int cnt[NN];
vector<pair<int,long long>> val[NN];
vector<int> possibleLen[NN];

long long getSum(int x,int r){
    if(val[x].empty())
        return 0;
    if(val[x][0].first >= r)
        return 0;
    return (upper_bound(val[x].begin(),val[x].end(),make_pair(r-1,INF))-1)->second;
}

mt19937 rnd(time(nullptr));

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
    long long dp[2][333][333];
    for(int i = 0; i < 2; i++){
        for(int j = 0; j < 333; j++){
            for(int t = 0; t < 333; t++){
                dp[i][j][t] = 0;
            }
        }
    }
    set<int> st[N+22];
    for(int i = 0; i < M; i++){
//        g[X[i]+2][Y[i]] = W[i];
        val[X[i]+2].push_back(make_pair(Y[i],W[i]));
        for(int j = max(2,X[i]+1); j <= X[i]+3; j++){
            st[j].insert(Y[i]+1);
        }
    }

    for(int i = 0; i < N+2; i++){
        st[i].insert(0);
        st[i].insert(N);
        possibleLen[i] = vector<int>(st[i].begin(),st[i].end());
        sort(val[i].begin(),val[i].end());
        for(int j = 1; j < val[i].size(); j++){
            val[i][j].second += val[i][j-1].second;
        }
    }

//    cerr << getSum(2,3) << "\n";
//    return 0;

    long long ans = 0;

    for(int i = 2; i < N+2; i++){
        int pr[2];
        for(pr[1] = 0; pr[1] < possibleLen[i-2].size(); pr[1]++){
            for(int cur = 0; cur < possibleLen[i].size(); cur++){
                int lcur = possibleLen[i][cur];
                int l1 = possibleLen[i-2][pr[1]];
                pr[0] = lower_bound(possibleLen[i-1].begin(),possibleLen[i-1].end(),min(l1,lcur)-1) - possibleLen[i-1].begin();
                pr[0] = max(0,pr[0]-40);
                pr[0] = min((int)possibleLen[i-1].size()-1,pr[0]);
                for(; pr[0] < possibleLen[i-1].size(); pr[0]++){
                    int l0 = possibleLen[i-1][pr[0]];
                    if(lcur <= l0){
                        dp[1][pr[0]][cur] = max(dp[1][pr[0]][cur],dp[0][pr[1]][pr[0]] + getSum(i+1,lcur) - getSum(i,lcur));
                    } else if(lcur <= l1){
                        dp[1][pr[0]][cur] = max(dp[1][pr[0]][cur],dp[0][pr[1]][pr[0]] + getSum(i+1,lcur) - getSum(i,l0));
                    } else {
                        dp[1][pr[0]][cur] = max(dp[1][pr[0]][cur],dp[0][pr[1]][pr[0]] + getSum(i+1,lcur) - getSum(i,l0)
                                            + max(0ll,getSum(i-1,lcur)-getSum(i-1,l0)) - max(0ll,getSum(i-1,l1)-getSum(i-1,l0)));
                    }
                    ans = max(ans,dp[1][pr[0]][cur]);
//                    cerr << i << " " << l1 << " " << l0 << " " << lcur << " " << dp[1][pr[0]][cur] << "\n";
//                    if(dp[0][pr[0]][cur] == 0)
//                        continue;
                }
            }
        }
        for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
            for(pr[1] = 0; pr[1] < possibleLen[i-2].size(); pr[1]++){
                dp[0][pr[1]][pr[0]] = 0;
            }
        }
        for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
            for(int cur = 0; cur < possibleLen[i].size(); cur++){
                dp[0][pr[0]][cur] = dp[1][pr[0]][cur];
            }
        }
        for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
            for(int cur = 0; cur < possibleLen[i].size(); cur++){
                dp[1][pr[0]][cur] = 0;
            }
        }
    }
//    for(int i = 0; i < N+2; i++){
//        for(int j = 0; j < 10; j++){
//            for(int t = 0; t < 10; t++){
//                ans = max(ans,dp[i][j][t]);
//            }
//        }
//    }

    return ans;
}
/**
10000 2
0 0 1
0 1 1

5 4
0 2 5
1 1 2
4 4 1
3 3 3


**/

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:49:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         for(int j = 1; j < val[i].size(); j++){
      |                        ~~^~~~~~~~~~~~~~~
fish.cpp:61:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |         for(pr[1] = 0; pr[1] < possibleLen[i-2].size(); pr[1]++){
      |                        ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:62:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |             for(int cur = 0; cur < possibleLen[i].size(); cur++){
      |                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:68:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |                 for(; pr[0] < possibleLen[i-1].size(); pr[0]++){
      |                       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:85:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |         for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
      |                        ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:86:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |             for(pr[1] = 0; pr[1] < possibleLen[i-2].size(); pr[1]++){
      |                            ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:90:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |         for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
      |                        ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:91:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |             for(int cur = 0; cur < possibleLen[i].size(); cur++){
      |                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:95:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   95 |         for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
      |                        ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:96:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |             for(int cur = 0; cur < possibleLen[i].size(); cur++){
      |                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 136 ms 67892 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 6612 KB Output is correct
2 Runtime error 337 ms 84528 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 23892 KB Output is correct
2 Correct 38 ms 23948 KB Output is correct
3 Correct 95 ms 27872 KB Output is correct
4 Correct 71 ms 27904 KB Output is correct
5 Correct 139 ms 34132 KB Output is correct
6 Correct 148 ms 34096 KB Output is correct
7 Correct 145 ms 34256 KB Output is correct
8 Correct 141 ms 34024 KB Output is correct

Subtask #4
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6740 KB Output is correct
2 Correct 3 ms 6740 KB Output is correct
3 Correct 4 ms 6740 KB Output is correct
4 Correct 3 ms 6740 KB Output is correct
5 Correct 4 ms 6740 KB Output is correct
6 Correct 3 ms 6740 KB Output is correct
7 Correct 3 ms 6616 KB Output is correct
8 Correct 4 ms 6684 KB Output is correct
9 Correct 5 ms 6740 KB Output is correct
10 Correct 12 ms 6996 KB Output is correct
11 Correct 9 ms 6740 KB Output is correct
12 Correct 13 ms 6948 KB Output is correct
13 Correct 4 ms 6740 KB Output is correct
14 Correct 7 ms 6868 KB Output is correct

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6740 KB Output is correct
2 Correct 3 ms 6740 KB Output is correct
3 Correct 4 ms 6740 KB Output is correct
4 Correct 3 ms 6740 KB Output is correct
5 Correct 4 ms 6740 KB Output is correct
6 Correct 3 ms 6740 KB Output is correct
7 Correct 3 ms 6616 KB Output is correct
8 Correct 4 ms 6684 KB Output is correct
9 Correct 5 ms 6740 KB Output is correct
10 Correct 12 ms 6996 KB Output is correct
11 Correct 9 ms 6740 KB Output is correct
12 Correct 13 ms 6948 KB Output is correct
13 Correct 4 ms 6740 KB Output is correct
14 Correct 7 ms 6868 KB Output is correct
15 Correct 4 ms 6740 KB Output is correct
16 Incorrect 725 ms 6996 KB 1st lines differ - on the 1st token, expected: '741526820812', found: '741497546641'
17 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6740 KB Output is correct
2 Correct 3 ms 6740 KB Output is correct
3 Correct 4 ms 6740 KB Output is correct
4 Correct 3 ms 6740 KB Output is correct
5 Correct 4 ms 6740 KB Output is correct
6 Correct 3 ms 6740 KB Output is correct
7 Correct 3 ms 6616 KB Output is correct
8 Correct 4 ms 6684 KB Output is correct
9 Correct 5 ms 6740 KB Output is correct
10 Correct 12 ms 6996 KB Output is correct
11 Correct 9 ms 6740 KB Output is correct
12 Correct 13 ms 6948 KB Output is correct
13 Correct 4 ms 6740 KB Output is correct
14 Correct 7 ms 6868 KB Output is correct
15 Correct 4 ms 6740 KB Output is correct
16 Incorrect 725 ms 6996 KB 1st lines differ - on the 1st token, expected: '741526820812', found: '741497546641'
17 Halted 0 ms 0 KB -

Subtask #7
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 23892 KB Output is correct
2 Correct 38 ms 23948 KB Output is correct
3 Correct 95 ms 27872 KB Output is correct
4 Correct 71 ms 27904 KB Output is correct
5 Correct 139 ms 34132 KB Output is correct
6 Correct 148 ms 34096 KB Output is correct
7 Correct 145 ms 34256 KB Output is correct
8 Correct 141 ms 34024 KB Output is correct
9 Correct 312 ms 43428 KB Output is correct
10 Correct 145 ms 24668 KB Output is correct
11 Correct 351 ms 42808 KB Output is correct
12 Correct 3 ms 6740 KB Output is correct
13 Correct 3 ms 6612 KB Output is correct
14 Correct 3 ms 6740 KB Output is correct
15 Correct 3 ms 6740 KB Output is correct
16 Correct 3 ms 6740 KB Output is correct
17 Correct 3 ms 6720 KB Output is correct
18 Correct 34 ms 23888 KB Output is correct
19 Correct 35 ms 23940 KB Output is correct
20 Correct 35 ms 23920 KB Output is correct
21 Correct 35 ms 23892 KB Output is correct
22 Correct 507 ms 43188 KB Output is correct
23 Correct 652 ms 51660 KB Output is correct
24 Correct 631 ms 52540 KB Output is correct

Subtask #8
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 136 ms 67892 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -