oj.uz

Submission #626724

# Submission time Handle Problem Language Result Execution time Memory
626724 2022-08-11T17:13:26 Z abeker Catfish Farm (IOI22_fish) C++17
9 / 100
 538 ms 50312 KB 
#include <bits/stdc++.h>
#include "fish.h"
using namespace std;

typedef long long ll;

const ll INF = 1e18;

ll max_weights(int N, int M, vector <int> x, vector <int> y, vector <int> w) {
  for (auto &it : x)
    it++;
  vector <ll> sum(N + 2);
  vector <map <int, ll>> diff(N + 2);
  for (int i = 0; i < M; i++) {
    sum[x[i]] += w[i];
    diff[x[i] + 1][y[i]] += w[i];
    diff[x[i]][y[i]] -= w[i];
  }
  vector <ll> dp(5, -INF);
  dp[0] = dp[1] = 0;
  for (int i = 1; i <= N + 1; i++) {
    auto update = [&](ll &ref, ll val) {
      if (val > ref)
        ref = val;
    };
    ll curr = 0;
    vector <ll> trans(5);
    trans[2] = sum[i - 1];
    trans[3] = sum[i];
    for (auto it : diff[i]) {
      curr += it.second;
      update(trans[1], curr);
      update(trans[4], -curr);
    }
    vector <ll> nxt(5, -INF);
    for (int j = 0; j < 5; j++) {
      update(nxt[j], dp[(j + 4) % 5]);
      if (j == 1 || j == 4)
        update(nxt[j], dp[j]);
      nxt[j] += trans[j];
    }
    dp = nxt;
  }
  return max({dp[0], dp[3], dp[4], 0ll});
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 17192 KB Output is correct
2 Correct 151 ms 20560 KB Output is correct
3 Correct 7 ms 5716 KB Output is correct
4 Correct 8 ms 5716 KB Output is correct
5 Correct 538 ms 50312 KB Output is correct
6 Correct 356 ms 50276 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 301 ms 24764 KB Output is correct
3 Correct 379 ms 29328 KB Output is correct
4 Correct 113 ms 17356 KB Output is correct
5 Correct 146 ms 20668 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 7 ms 5716 KB Output is correct
11 Correct 7 ms 5716 KB Output is correct
12 Correct 117 ms 17416 KB Output is correct
13 Correct 184 ms 20780 KB Output is correct
14 Correct 122 ms 17388 KB Output is correct
15 Correct 137 ms 16732 KB Output is correct
16 Correct 111 ms 17420 KB Output is correct
17 Correct 131 ms 19368 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5716 KB Output is correct
2 Correct 7 ms 5716 KB Output is correct
3 Incorrect 35 ms 10068 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '17480985113680'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 1 ms 340 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '158784386442'
10 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 1 ms 340 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '158784386442'
10 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 1 ms 340 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '158784386442'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5716 KB Output is correct
2 Correct 7 ms 5716 KB Output is correct
3 Incorrect 35 ms 10068 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '17480985113680'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 17192 KB Output is correct
2 Correct 151 ms 20560 KB Output is correct
3 Correct 7 ms 5716 KB Output is correct
4 Correct 8 ms 5716 KB Output is correct
5 Correct 538 ms 50312 KB Output is correct
6 Correct 356 ms 50276 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 301 ms 24764 KB Output is correct
9 Correct 379 ms 29328 KB Output is correct
10 Correct 113 ms 17356 KB Output is correct
11 Correct 146 ms 20668 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 7 ms 5716 KB Output is correct
17 Correct 7 ms 5716 KB Output is correct
18 Correct 117 ms 17416 KB Output is correct
19 Correct 184 ms 20780 KB Output is correct
20 Correct 122 ms 17388 KB Output is correct
21 Correct 137 ms 16732 KB Output is correct
22 Correct 111 ms 17420 KB Output is correct
23 Correct 131 ms 19368 KB Output is correct
24 Correct 7 ms 5716 KB Output is correct
25 Correct 7 ms 5716 KB Output is correct
26 Incorrect 35 ms 10068 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '17480985113680'
27 Halted 0 ms 0 KB -