oj.uz

Submission #985517

# Submission time Handle Problem Language Result Execution time Memory
985517 2024-05-18T03:20:27 Z mindiyak Rainforest Jumps (APIO21_jumps) C++14
0 / 100
 460 ms 1048576 KB 
#include "jumps.h"

using namespace std;

#include <vector>
#include <queue>
#include <iostream>

#define NMAX 20000
// #define NMAX 7
#define INF 1e9
vector<vector<int>> costs(NMAX,vector<int>(NMAX,INF));
vector<vector<int>> paths(NMAX,vector<int>(NMAX,0));

void init(int N, std::vector<int> H) {
  for(int i = 0;i<N;i++)costs[i][i] = 0;

  for(int i = 0;i<N;i++){
    int pos = i+1;
    while(pos<N){
      if(H[i]<H[pos]){
        paths[i][pos] = 1;
        costs[i][pos] = 1;
        break;
      }pos++;
    }
    pos = i-1;
    while(pos>-1){
      if(H[i]<H[pos]){
        paths[i][pos] = 1;
        costs[i][pos] = 1;
        break;
      }pos--;
    }
  }

  // for(int i=0;i<costs.size();i++){
  //   for(int j=0;j<costs[i].size();j++){
  //     cout << costs[i][j] << " ";
  //   }cout << endl;
  // }

  // for(int i=0;i<N;i++){
  //   cout << i << " -> ";
  //   for(int j=0;j<paths[i].size();j++){
  //     cout << paths[i][j] << ",";
  //   }cout << endl;
  // }

  for(int i=0;i<N;i++){
    for(int j=0;j<N;j++){
      for(int k=0;k<N;k++){
        costs[i][j] = min(costs[i][j],costs[i][k]+costs[k][j]);
      }
    }
  }
  
  // for(int i=0;i<costs.size();i++){
  //   for(int j=0;j<costs[i].size();j++){
  //     cout << costs[i][j] << " ";
  //   }cout << endl;
  // }
}

int minimum_jumps(int A, int B, int C, int D) {
  int ans = INF;
  for(int i=A;i<=B;i++){
    for(int j=C;j<=D;j++){
      ans = min(ans,costs[i][j]);
    }
  }
  if(ans == INF)return -1;
  return ans;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 438 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 440 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 440 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 435 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 460 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 460 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Runtime error 438 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -