oj.uz

Submission #629218

# Submission time Handle Problem Language Result Execution time Memory
629218 2022-08-14T09:24:52 Z kdh9949 Catfish Farm (IOI22_fish) C++17
9 / 100
 440 ms 38392 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;

using vint = vector<int>;
using vll = vector<ll>;
using vld = vector<ld>;
using vpii = vector<pii>;
using vpil = vector<pil>;
using vpli = vector<pli>;
using vpll = vector<pll>;

#define x first
#define y second
#define all(v) (v).begin(),(v).end()

const int SZ = 131072;
const ll INF = ll(1e18);
struct Seg {
  ll d[2 * SZ];
  void u(int x, ll v) {
    for(x += SZ; x; x /= 2) d[x] = max(d[x], v);
  }
  ll g(int s = 0, int e = SZ - 1) {
    ll r = -INF;
    for(s += SZ, e += SZ; s <= e; s /= 2, e /= 2) {
      if(s & 1) r = max(r, d[s++]);
      if(~e& 1) r = max(r, d[e--]);
    }
    return r;
  }
} U[3], D[3];

ll max_weights(int N, int M, vint X, vint Y, vint W) {
  vector<vpil> a(N);
  vector<vpll> d(N);
  for(int i = 0; i < M; i++) {
    a[X[i]].emplace_back(Y[i], W[i]);
    d[X[i]].emplace_back(-INF, -INF);
  }
  for(int i = 0; i < N; i++) {
    sort(all(a[i]));
    sort(all(d[i]));
  }

  for(int i = 0; i < N; i++) {
    for(int j = 1; j <= 2; j++) if(i - j >= 0)
      for(int k = 0; k < a[i - j].size(); k++) {
        U[j].u(a[i - j][k].x, d[i - j][k].x);
        D[j].u(a[i - j][k].x, d[i - j][k].y);
      }
    int K = a[i].size();
    if(i < N - 1) for(int j = 0; j < K; j++) {
      d[i][j].x = max(U[0].g(0, a[i][j].x - 1), D[1].g()) + a[i][j].y;
      U[0].u(a[i][j].x, d[i][j].x);
    }
    if(i) for(int j = K - 1; j >= 0; j--) {
      d[i][j].y = max(D[0].g(a[i][j].x + 1), U[2].g()) + a[i][j].y;
      D[0].u(a[i][j].x, d[i][j].y);
    }
  }

  ll ans = 0;
  for(auto &v : d) for(auto &p : v) ans = max({ans, p.x, p.y});
  return ans;
}

Compilation message

fish.cpp: In function 'll max_weights(int, int, vint, vint, vint)':
fish.cpp:55:24: 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]
   55 |       for(int k = 0; k < a[i - j].size(); k++) {
      |                      ~~^~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 16304 KB Output is correct
2 Correct 70 ms 19276 KB Output is correct
3 Correct 4 ms 5204 KB Output is correct
4 Correct 5 ms 5204 KB Output is correct
5 Correct 226 ms 33320 KB Output is correct
6 Correct 440 ms 38392 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 115 ms 22248 KB Output is correct
3 Correct 146 ms 26620 KB Output is correct
4 Correct 56 ms 17120 KB Output is correct
5 Correct 70 ms 19448 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 4 ms 5204 KB Output is correct
11 Correct 4 ms 5204 KB Output is correct
12 Correct 72 ms 18644 KB Output is correct
13 Correct 82 ms 20920 KB Output is correct
14 Correct 61 ms 17912 KB Output is correct
15 Correct 69 ms 15792 KB Output is correct
16 Correct 61 ms 17864 KB Output is correct
17 Correct 70 ms 19568 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5204 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Incorrect 50 ms 9808 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '20783599837907'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Incorrect 1 ms 596 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '214837477243'
10 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Incorrect 1 ms 596 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '214837477243'
10 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Incorrect 1 ms 596 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '214837477243'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5204 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Incorrect 50 ms 9808 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '20783599837907'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 16304 KB Output is correct
2 Correct 70 ms 19276 KB Output is correct
3 Correct 4 ms 5204 KB Output is correct
4 Correct 5 ms 5204 KB Output is correct
5 Correct 226 ms 33320 KB Output is correct
6 Correct 440 ms 38392 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 115 ms 22248 KB Output is correct
9 Correct 146 ms 26620 KB Output is correct
10 Correct 56 ms 17120 KB Output is correct
11 Correct 70 ms 19448 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 0 ms 468 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 4 ms 5204 KB Output is correct
17 Correct 4 ms 5204 KB Output is correct
18 Correct 72 ms 18644 KB Output is correct
19 Correct 82 ms 20920 KB Output is correct
20 Correct 61 ms 17912 KB Output is correct
21 Correct 69 ms 15792 KB Output is correct
22 Correct 61 ms 17864 KB Output is correct
23 Correct 70 ms 19568 KB Output is correct
24 Correct 3 ms 5204 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Incorrect 50 ms 9808 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '20783599837907'
27 Halted 0 ms 0 KB -