oj.uz

Submission #1046711

# Submission time Handle Problem Language Result Execution time Memory
1046711 2024-08-06T20:50:04 Z Trent Catfish Farm (IOI22_fish) C++17
61 / 100
 882 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]);
        }
      }
    }
    ll besD = -INF;
    for(int h = MH; h > 0; --h) {
      if(i == 0) D[i][h] = 0;
      else {
        if(h + 1 <= MH) {
          besD = max(besD, max(I[i-1][h+1], D[i-1][h+1]) + wpsa[i][h]);
        }
        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 681 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 0 ms 344 KB Output is correct
2 Runtime error 668 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 42716 KB Output is correct
2 Correct 34 ms 42588 KB Output is correct
3 Correct 45 ms 42844 KB Output is correct
4 Correct 43 ms 46276 KB Output is correct
5 Correct 59 ms 50512 KB Output is correct
6 Correct 57 ms 50040 KB Output is correct
7 Correct 62 ms 50260 KB Output is correct
8 Correct 59 ms 50524 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 436 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 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 708 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 604 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 436 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 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 708 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 3932 KB Output is correct
16 Correct 1 ms 860 KB Output is correct
17 Correct 31 ms 9044 KB Output is correct
18 Correct 26 ms 8280 KB Output is correct
19 Correct 27 ms 8796 KB Output is correct
20 Correct 24 ms 8024 KB Output is correct
21 Correct 25 ms 6232 KB Output is correct
22 Correct 51 ms 11600 KB Output is correct
23 Correct 10 ms 6236 KB Output is correct
24 Correct 26 ms 9236 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 8 ms 5764 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 436 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 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 708 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 3932 KB Output is correct
16 Correct 1 ms 860 KB Output is correct
17 Correct 31 ms 9044 KB Output is correct
18 Correct 26 ms 8280 KB Output is correct
19 Correct 27 ms 8796 KB Output is correct
20 Correct 24 ms 8024 KB Output is correct
21 Correct 25 ms 6232 KB Output is correct
22 Correct 51 ms 11600 KB Output is correct
23 Correct 10 ms 6236 KB Output is correct
24 Correct 26 ms 9236 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 8 ms 5764 KB Output is correct
27 Correct 179 ms 354388 KB Output is correct
28 Correct 172 ms 45904 KB Output is correct
29 Correct 551 ms 399444 KB Output is correct
30 Correct 846 ms 435280 KB Output is correct
31 Correct 821 ms 433648 KB Output is correct
32 Correct 212 ms 40272 KB Output is correct
33 Correct 844 ms 437996 KB Output is correct
34 Correct 882 ms 437844 KB Output is correct
35 Correct 113 ms 41296 KB Output is correct
36 Correct 657 ms 418132 KB Output is correct

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 42716 KB Output is correct
2 Correct 34 ms 42588 KB Output is correct
3 Correct 45 ms 42844 KB Output is correct
4 Correct 43 ms 46276 KB Output is correct
5 Correct 59 ms 50512 KB Output is correct
6 Correct 57 ms 50040 KB Output is correct
7 Correct 62 ms 50260 KB Output is correct
8 Correct 59 ms 50524 KB Output is correct
9 Runtime error 663 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 681 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -