oj.uz

Submission #871892

# Submission time Handle Problem Language Result Execution time Memory
871892 2023-11-11T19:36:02 Z Ludissey Catfish Farm (IOI22_fish) C++17
0 / 100
 1000 ms 52420 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 lastlast){
  if(memo.find({x,{last,lastlast}})!=memo.end()) return memo[{x,{last,lastlast}}];
  if(x==N) return 0;
 
  memo[{x,{last,lastlast}}] = 0;
  for (auto i:fsh[x])
  {
    int c=dp(x+1, i, last);
    for (int j=0; j<fsh[x].size(); j++) {
      if(fsh[x][j]<=max(i,lastlast)&&fsh[x][j]>last&&a.find({x-1,fsh[x][j]-1})!=a.end()) {
        c+=a[{x-1,fsh[x][j]-1}];
      }
    }
    if(x==N-1) {
      for (int j=0; j<fsh[N].size(); j++) {
        if(fsh[N][j]<=last&&fsh[N][j]>i&&a.find({x,fsh[N][j]-1})!=a.end()) {
          c+=a[{x,fsh[N][j]-1}];
        }
      }
    }
    memo[{x,{last,lastlast}}]=max(c, memo[{x,{last,lastlast}}]);
  }
  return memo[{x,{last,lastlast}}];
}
 
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);

  }

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

Compilation message

fish.cpp: In function 'long long int dp(long long int, long long int, long long int)':
fish.cpp:18:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     for (int j=0; j<fsh[x].size(); j++) {
      |                   ~^~~~~~~~~~~~~~
fish.cpp:24:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |       for (int j=0; j<fsh[N].size(); j++) {
      |                     ~^~~~~~~~~~~~~~

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1102 ms 41128 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 344 KB Output is correct
2 Execution timed out 1066 ms 50924 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 35412 KB Output is correct
2 Correct 65 ms 35588 KB Output is correct
3 Incorrect 315 ms 52420 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '40569366478878'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 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 Incorrect 10 ms 604 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '431415511050'
10 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 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 Incorrect 10 ms 604 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '431415511050'
10 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 344 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 Incorrect 10 ms 604 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '431415511050'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 35412 KB Output is correct
2 Correct 65 ms 35588 KB Output is correct
3 Incorrect 315 ms 52420 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '40569366478878'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1102 ms 41128 KB Time limit exceeded
2 Halted 0 ms 0 KB -