oj.uz

Submission #1046705

# Submission time Handle Problem Language Result Execution time Memory
1046705 2024-08-06T20:47:37 Z Trent Catfish Farm (IOI22_fish) C++17
23 / 100
 698 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));
    }
    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]);
          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 hi = (int) care[i].size() - 1; hi >= 0; --hi) {
      int h = care[i][hi];
      if(h > 0) {
        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) {
      for(int y : care[i-1]) besE = max(besE, E[i-1][y]);
    }
    for(int h : care[i]){
      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";
      |                         ^

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 680 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 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 33 ms 42588 KB Output is correct
2 Correct 33 ms 42576 KB Output is correct
3 Correct 46 ms 43348 KB Output is correct
4 Correct 45 ms 46420 KB Output is correct
5 Correct 61 ms 51024 KB Output is correct
6 Correct 59 ms 50628 KB Output is correct
7 Correct 59 ms 51252 KB Output is correct
8 Correct 62 ms 51276 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 436 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 604 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 408 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 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 604 KB Output is correct

Subtask #5
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 436 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 604 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 408 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 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 604 KB Output is correct
15 Correct 2 ms 3932 KB Output is correct
16 Correct 1 ms 748 KB Output is correct
17 Correct 29 ms 9300 KB Output is correct
18 Correct 27 ms 8540 KB Output is correct
19 Correct 28 ms 9040 KB Output is correct
20 Correct 26 ms 8276 KB Output is correct
21 Correct 24 ms 6488 KB Output is correct
22 Correct 51 ms 12372 KB Output is correct
23 Incorrect 9 ms 6276 KB 1st lines differ - on the 1st token, expected: '3061077668538', found: '3059724260271'
24 Halted 0 ms 0 KB -

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 436 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 604 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 408 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 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 604 KB Output is correct
15 Correct 2 ms 3932 KB Output is correct
16 Correct 1 ms 748 KB Output is correct
17 Correct 29 ms 9300 KB Output is correct
18 Correct 27 ms 8540 KB Output is correct
19 Correct 28 ms 9040 KB Output is correct
20 Correct 26 ms 8276 KB Output is correct
21 Correct 24 ms 6488 KB Output is correct
22 Correct 51 ms 12372 KB Output is correct
23 Incorrect 9 ms 6276 KB 1st lines differ - on the 1st token, expected: '3061077668538', found: '3059724260271'
24 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 42588 KB Output is correct
2 Correct 33 ms 42576 KB Output is correct
3 Correct 46 ms 43348 KB Output is correct
4 Correct 45 ms 46420 KB Output is correct
5 Correct 61 ms 51024 KB Output is correct
6 Correct 59 ms 50628 KB Output is correct
7 Correct 59 ms 51252 KB Output is correct
8 Correct 62 ms 51276 KB Output is correct
9 Runtime error 698 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 680 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -