oj.uz

Submission #1046722

# Submission time Handle Problem Language Result Execution time Memory
1046722 2024-08-06T21:01:16 Z Trent Catfish Farm (IOI22_fish) C++17
61 / 100
 898 ms 2097152 KB 
#include "fish.h"
#include "bits/stdc++.h";
using namespace std;
#define forR(i, x) for(int i = 0; i < (x); ++i)
#define REP(i, a, b) for(int i = (a); i < (b); ++i)
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<int> vi;
typedef vector<vi> vvi;
struct pii{int a, b;};

ll INF = 1e16;

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W) {
  int MH = Y[0] + 1;
  for(int i : Y) MH = max(MH, i + 1);
  vvll wp(N, vll(MH));
  vvll wpsa(N, vll(MH));
  forR(i, M) wp[X[i]][Y[i]] = W[i];
  forR(x, N) {
    wpsa[x][0] = wp[x][0];
    REP(y, 1, MH) wpsa[x][y] = wpsa[x][y-1] + wp[x][y];
  }

  vector<set<int>> sCare(N);
  forR(i, M) {
    if(X[i] > 0) sCare[X[i]-1].insert(Y[i] + 1);
    if(X[i] + 1 < N) sCare[X[i] + 1].insert(Y[i] + 1);
    if(X[i] > 1) sCare[X[i]-2].insert(Y[i] + 1);
    if(X[i] + 2 < N) sCare[X[i] + 2].insert(Y[i] + 1);
    sCare[X[i]].insert(Y[i]+1);
  }
  forR(i, N) sCare[i].insert(0);
  vector<vi> care(N);
  forR(i, N) for(int j : sCare[i]) care[i].push_back(j);
  vvll I(N, vll(MH+1)), D(N, vll(MH+1)), E(N, vll(MH+1));
  // h = HEIGHT, not the index of last element!
  forR(i, N) {
    ll besIE = -INF, besII = -INF;
    if(i > 0) {
      for(int k : care[i-1]) besIE = max(besIE, E[i-1][k] - (k > 0 ? wpsa[i-1][k-1] : 0));
    }
    int api = 0;
    for(int h : care[i]){
      if(h > 0) {
        if(i == 0) I[i][h] = 0;
        else {
          I[i][h] = max(I[i][h], besIE + wpsa[i-1][h-1]);
          while(api < care[i-1].size() && care[i-1][api] <= h) {
            int k = care[i-1][api];
            besII = max(besII, I[i-1][k] - (k > 0 ? wpsa[i-1][k-1] : 0));
            ++api;
          }
          I[i][h] = max(I[i][h], besII + wpsa[i-1][h-1]);
        }
      }
    }

    api = (int) care[i-1].size() - 1;
    ll besD = -INF;
    for(int h = MH; h > 0; --h) {
      if(i == 0) D[i][h] = 0;
      else {
        while(api >= 0 && care[i-1][api] >= h + 1) {
          int k = care[i-1][api];
          if(k <= MH) {
            besD = max(besD, max(I[i-1][k], D[i-1][k]) + wpsa[i][k - 1]);
          }
          --api;
        }
        D[i][h] = max(D[i][h], besD - (h > 0 ? wpsa[i][h-1] : 0));
      }
    }

    ll besE = -INF;
    if(i > 0) {
      forR(y, MH+1) besE = max(besE, E[i-1][y]);
    }
    forR(h, MH+1) {
      if(i == 0) E[i][h] = 0;
      else {
        ll tot = max(I[i-1][h], D[i-1][h]) + (h > 0 ? wpsa[i][h-1] : 0);
        // forR(y, h) tot += wp[i][y];
        E[i][h] = max(E[i][h], max(tot, besE));
      }
    }
  }
  ll mx = 0;
  REP(h, 1, MH+1) mx = max(mx, max(I[N-1][h], D[N-1][h]));
  forR(h, MH+1) mx = max(mx, E[N-1][h]);
  return mx;
}

Compilation message

fish.cpp:2:25: warning: extra tokens at end of #include directive
    2 | #include "bits/stdc++.h";
      |                         ^
fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:51:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |           while(api < care[i-1].size() && care[i-1][api] <= h) {
      |                 ~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 657 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Runtime error 684 ms 2097152 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 42576 KB Output is correct
2 Correct 33 ms 42584 KB Output is correct
3 Correct 47 ms 42332 KB Output is correct
4 Correct 54 ms 45700 KB Output is correct
5 Correct 78 ms 49612 KB Output is correct
6 Correct 59 ms 49492 KB Output is correct
7 Correct 63 ms 49512 KB Output is correct
8 Correct 62 ms 49744 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 404 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 604 KB Output is correct
12 Correct 1 ms 736 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 2 ms 600 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 404 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 604 KB Output is correct
12 Correct 1 ms 736 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 3932 KB Output is correct
16 Correct 1 ms 860 KB Output is correct
17 Correct 28 ms 8648 KB Output is correct
18 Correct 27 ms 7796 KB Output is correct
19 Correct 27 ms 8272 KB Output is correct
20 Correct 23 ms 7440 KB Output is correct
21 Correct 24 ms 5828 KB Output is correct
22 Correct 50 ms 10836 KB Output is correct
23 Correct 10 ms 5980 KB Output is correct
24 Correct 24 ms 9308 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 8 ms 5796 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 404 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 604 KB Output is correct
12 Correct 1 ms 736 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 3932 KB Output is correct
16 Correct 1 ms 860 KB Output is correct
17 Correct 28 ms 8648 KB Output is correct
18 Correct 27 ms 7796 KB Output is correct
19 Correct 27 ms 8272 KB Output is correct
20 Correct 23 ms 7440 KB Output is correct
21 Correct 24 ms 5828 KB Output is correct
22 Correct 50 ms 10836 KB Output is correct
23 Correct 10 ms 5980 KB Output is correct
24 Correct 24 ms 9308 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 8 ms 5796 KB Output is correct
27 Correct 164 ms 354400 KB Output is correct
28 Correct 177 ms 45904 KB Output is correct
29 Correct 562 ms 399328 KB Output is correct
30 Correct 816 ms 435428 KB Output is correct
31 Correct 851 ms 433644 KB Output is correct
32 Correct 212 ms 40296 KB Output is correct
33 Correct 898 ms 438104 KB Output is correct
34 Correct 858 ms 438012 KB Output is correct
35 Correct 117 ms 41300 KB Output is correct
36 Correct 704 ms 418000 KB Output is correct

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 42576 KB Output is correct
2 Correct 33 ms 42584 KB Output is correct
3 Correct 47 ms 42332 KB Output is correct
4 Correct 54 ms 45700 KB Output is correct
5 Correct 78 ms 49612 KB Output is correct
6 Correct 59 ms 49492 KB Output is correct
7 Correct 63 ms 49512 KB Output is correct
8 Correct 62 ms 49744 KB Output is correct
9 Runtime error 667 ms 2097152 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 657 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -