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Submission #1046692

# Submission time Handle Problem Language Result Execution time Memory
1046692 2024-08-06T20:33:58 Z Trent Catfish Farm (IOI22_fish) C++17
44 / 100
 1000 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) {
      forR(k, MH+1) besIE = max(besIE, E[i-1][k] - (k > 0 ? wpsa[i-1][k-1] : 0));
    }
    REP(h, 1, MH+1) {
      if(i == 0) I[i][h] = 0;
      else {
        I[i][h] = max(I[i][h], besIE + wpsa[i-1][h-1]);
        besII = max(besII, I[i-1][h]- (h > 0 ? wpsa[i-1][h-1] : 0));
        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));
      }
    }

    forR(h, MH+1) if(!sCare[i].count(h)) I[i][h] = D[i][h] = E[i][h] = 0;
  }
  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";
      |                         ^

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 1 ms 348 KB Output is correct
2 Runtime error 674 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 32 ms 37212 KB Output is correct
2 Correct 29 ms 37212 KB Output is correct
3 Correct 40 ms 38480 KB Output is correct
4 Correct 39 ms 41012 KB Output is correct
5 Correct 53 ms 45648 KB Output is correct
6 Correct 52 ms 45136 KB Output is correct
7 Correct 54 ms 45648 KB Output is correct
8 Correct 62 ms 45636 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 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 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 680 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 600 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 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 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 680 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 30 ms 8988 KB Output is correct
18 Correct 27 ms 8232 KB Output is correct
19 Correct 27 ms 8640 KB Output is correct
20 Correct 25 ms 7868 KB Output is correct
21 Correct 23 ms 6140 KB Output is correct
22 Correct 51 ms 11856 KB Output is correct
23 Correct 12 ms 5980 KB Output is correct
24 Correct 24 ms 8756 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 8 ms 5568 KB Output is correct

Subtask #6
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 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 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 680 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 30 ms 8988 KB Output is correct
18 Correct 27 ms 8232 KB Output is correct
19 Correct 27 ms 8640 KB Output is correct
20 Correct 25 ms 7868 KB Output is correct
21 Correct 23 ms 6140 KB Output is correct
22 Correct 51 ms 11856 KB Output is correct
23 Correct 12 ms 5980 KB Output is correct
24 Correct 24 ms 8756 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 8 ms 5568 KB Output is correct
27 Correct 203 ms 354276 KB Output is correct
28 Correct 187 ms 43660 KB Output is correct
29 Correct 598 ms 394856 KB Output is correct
30 Correct 997 ms 428264 KB Output is correct
31 Correct 990 ms 426576 KB Output is correct
32 Correct 227 ms 37220 KB Output is correct
33 Execution timed out 1036 ms 430804 KB Time limit exceeded
34 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 37212 KB Output is correct
2 Correct 29 ms 37212 KB Output is correct
3 Correct 40 ms 38480 KB Output is correct
4 Correct 39 ms 41012 KB Output is correct
5 Correct 53 ms 45648 KB Output is correct
6 Correct 52 ms 45136 KB Output is correct
7 Correct 54 ms 45648 KB Output is correct
8 Correct 62 ms 45636 KB Output is correct
9 Runtime error 662 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 -