oj.uz

Submission #872791

# Submission time Handle Problem Language Result Execution time Memory
872791 2023-11-13T19:40:55 Z Ludissey Catfish Farm (IOI22_fish) C++17
0 / 100
 1000 ms 52700 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;
 
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(last==0&&i>0) break;
    if(i==0){
      if(last<=0) c=dp(x+1, -1, 1);
      else if(last>0) c=dp(x+1, 0, 1);
    } else if(i>=last) {
      if(big==0) break;
      c=dp(x+1, i, 1);
    }else if(i<last){
      c=dp(x+1, i, 0);
    }
    if(x>0) {
      for (int y = last; y < i; y++) {
        if(big) c+=a[{x-1,y}];
      }
      for (int y = i; y < last; y++) {
        c+=a[{x,y}];
      }
    }
    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));
  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());
  
  int p=dp(0,-1,1);
  return p;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1064 ms 43296 KB Time limit exceeded
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 Execution timed out 1079 ms 52700 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 37112 KB Output is correct
2 Correct 84 ms 36980 KB Output is correct
3 Incorrect 239 ms 49492 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '20883902549126'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 424 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 Incorrect 2 ms 440 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '214837477243'
10 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 424 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 Incorrect 2 ms 440 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '214837477243'
10 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 424 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 Incorrect 2 ms 440 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '214837477243'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 37112 KB Output is correct
2 Correct 84 ms 36980 KB Output is correct
3 Incorrect 239 ms 49492 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '20883902549126'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1064 ms 43296 KB Time limit exceeded
2 Halted 0 ms 0 KB -