oj.uz

Submission #873316

# Submission time Handle Problem Language Result Execution time Memory
873316 2023-11-14T20:01:40 Z Ludissey Catfish Farm (IOI22_fish) C++17
14 / 100
 1000 ms 2097152 KB 
#include "fish.h"
#include <bits/stdc++.h>
#define int long long
using namespace std;
map<pair<int,int>, int> a;
vector<vector<int>> fsh;
vector<vector<int>> prfx;
 
map<pair<int,pair<int,int>>, int> memo;
int N,M;
int dp(int x, int last, int big){
  if(memo.find({x,{last,big}})!=memo.end()) return memo[{x,{last,big}}];
  if(x==N) return 0;
 
  memo[{x,{last,big}}] = 0;
  for (auto i:fsh[x])
  {
    int c=0;
    if(i==0){
      if(last<=0) c=dp(x+1, 0, 1);
      else if(last>0) c=dp(x+1,(-last), 1);
    } else if(i>=abs(last)) {
      if(big==0) break;
      c=dp(x+1, i, 1);
    }else if(i<abs(last)){
      c=dp(x+1, i, 0);
    }
    if(x>0) {
      if(last>=0) {
        if(last<i&&i>0){
          c+=prfx[x-1][i-1];
          if(last>0) c-=prfx[x-1][last-1];
        }
        //for (int y = i; y < last; y++) c+=a[{x,y}];
        if(i<last&&last>0){
          c+=prfx[x][last-1];
          if(i>0) c-=prfx[x][i-1];
        }
      }else{
        if(abs(last)<i&&i>0){
          c+=prfx[x-1][i-1];
          if(abs(last)>0) c-=prfx[x-1][abs(last)-1];
        }
      }
      
    }
    memo[{x,{last,big}}]=max(c, memo[{x,{last,big}}]);
  }
  return memo[{x,{last,big}}];
}
 
long long max_weights(signed n, signed m, std::vector<signed> X, std::vector<signed> Y, std::vector<signed> W) {
  N=n; M=m; 
  fsh.resize(N+1, vector<int>(1,0));
  prfx.resize(N+1, vector<int>(N+1,0));
  for (int i = 0; i < M; i++){
    a[{X[i],Y[i]}] = W[i];
    fsh[X[i]+1].push_back(Y[i]+1);
    if(X[i]>0) fsh[X[i]-1].push_back(Y[i]+1);
  }
  for (int i = 0; i < N; i++) sort(fsh[i].begin(),fsh[i].end());
  for (int i = 0; i < N; i++)
  {
    for (int j = 0; j < N; j++)
    {
      prfx[i][j]=a[{i,j}];
      if(j>0) prfx[i][j]+=prfx[i][j-1];
    }
  }

  int p=dp(0,0,1);
  return p;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 788 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 348 KB Output is correct
2 Runtime error 787 ms 2097152 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 745 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 6 ms 2136 KB Output is correct
10 Correct 33 ms 7324 KB Output is correct
11 Correct 10 ms 2392 KB Output is correct
12 Correct 21 ms 7228 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
14 Correct 18 ms 7004 KB Output is correct

Subtask #5
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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 6 ms 2136 KB Output is correct
10 Correct 33 ms 7324 KB Output is correct
11 Correct 10 ms 2392 KB Output is correct
12 Correct 21 ms 7228 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
14 Correct 18 ms 7004 KB Output is correct
15 Correct 14 ms 7008 KB Output is correct
16 Correct 103 ms 1480 KB Output is correct
17 Execution timed out 1069 ms 10320 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 6 ms 2136 KB Output is correct
10 Correct 33 ms 7324 KB Output is correct
11 Correct 10 ms 2392 KB Output is correct
12 Correct 21 ms 7228 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
14 Correct 18 ms 7004 KB Output is correct
15 Correct 14 ms 7008 KB Output is correct
16 Correct 103 ms 1480 KB Output is correct
17 Execution timed out 1069 ms 10320 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 745 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 788 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -