oj.uz

Submission #705102

# Submission time Handle Problem Language Result Execution time Memory
705102 2023-03-03T11:36:55 Z danikoynov Catfish Farm (IOI22_fish) C++17
9 / 100
 132 ms 13960 KB 
#include "fish.h"

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int maxn = 1e5 + 10;

vector < pair < int, int > > col[maxn];
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W)
{
    bool all_even = true, small_x = true;
    for (int i = 0; i < M; i ++)
    {
        if (X[i] % 2 != 0)
            all_even = false;
        if (X[i] > 1)
            small_x = false;
    }

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

    for (int i = 0; i < N; i ++)
        sort(col[i].begin(), col[i].end());

    if (all_even)
    {
        ll sum = 0;
        for (int i = 0; i < M; i ++)
            sum = sum + W[i];
        return sum;

    }
    else if (small_x)
    {

        ll zero = 0, one = 0;
        for (int i = 0; i < M; i ++)
        {
            if (X[i] == 0)
                zero += W[i];
            else
                one += W[i];
        }
        if (N == 2)
            return max(zero, one);

        int to = 0;
        ll cur = 0, ans = 0;
        for (int i = 0; i < col[0].size(); i ++)
        {
            if (cur + one > ans)
                ans = cur + one;
            cur += col[0][i].second;
            while(to < col[1].size() && col[1][to].first <= col[0][i].first)
            {
                one -= col[1][to].second;
                to ++;
            }
        }
        if (cur + one > ans)
            ans = cur + one;
        return ans;


    }

    return 0;

}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:54:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |         for (int i = 0; i < col[0].size(); i ++)
      |                         ~~^~~~~~~~~~~~~~~
fish.cpp:59:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |             while(to < col[1].size() && col[1][to].first <= col[0][i].first)
      |                   ~~~^~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 5708 KB Output is correct
2 Correct 37 ms 6112 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 128 ms 12284 KB Output is correct
6 Correct 132 ms 13960 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 60 ms 8036 KB Output is correct
3 Correct 79 ms 12536 KB Output is correct
4 Correct 32 ms 7052 KB Output is correct
5 Correct 48 ms 7892 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 2 ms 2648 KB Output is correct
12 Correct 32 ms 7108 KB Output is correct
13 Correct 38 ms 7920 KB Output is correct
14 Correct 32 ms 6824 KB Output is correct
15 Correct 43 ms 7240 KB Output is correct
16 Correct 32 ms 6928 KB Output is correct
17 Correct 38 ms 7264 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Incorrect 1 ms 2644 KB 1st lines differ - on the 1st token, expected: '882019', found: '0'
3 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2644 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2644 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2644 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Incorrect 1 ms 2644 KB 1st lines differ - on the 1st token, expected: '882019', found: '0'
3 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 5708 KB Output is correct
2 Correct 37 ms 6112 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 128 ms 12284 KB Output is correct
6 Correct 132 ms 13960 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 60 ms 8036 KB Output is correct
9 Correct 79 ms 12536 KB Output is correct
10 Correct 32 ms 7052 KB Output is correct
11 Correct 48 ms 7892 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 2 ms 2648 KB Output is correct
18 Correct 32 ms 7108 KB Output is correct
19 Correct 38 ms 7920 KB Output is correct
20 Correct 32 ms 6824 KB Output is correct
21 Correct 43 ms 7240 KB Output is correct
22 Correct 32 ms 6928 KB Output is correct
23 Correct 38 ms 7264 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Incorrect 1 ms 2644 KB 1st lines differ - on the 1st token, expected: '882019', found: '0'
26 Halted 0 ms 0 KB -