oj.uz

Submission #125258

# Submission time Handle Problem Language Result Execution time Memory
125258 2019-07-05T01:20:52 Z dragonslayerit Mountains (IOI17_mountains) C++14
0 / 100
 2 ms 376 KB 
#include "mountains.h"
#include <vector>
#include <algorithm>

int solve(int* begin,int* end){
  if(begin==end) return 0;
  int ans=1;
  std::vector<int*> sub;
  for(auto it=begin+1;it!=end;it++){
    sub.push_back(it);
  }
  std::stable_sort(sub.begin(),sub.end(),[begin](int* a,int* b){return (a-begin)*(*b-*begin)>(b-begin)*(*a-*begin);});
  int* last=begin;
  for(int* it:sub){
    if(it<last) continue;
    ans+=solve(last+1,it);
    last=it;
  }
  return std::max(ans,solve(begin+1,end));
}

int maximum_deevs(std::vector<int> y) {
  return solve(y.data(),y.data()+y.size());
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Incorrect 2 ms 256 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Incorrect 2 ms 256 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Incorrect 2 ms 256 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Incorrect 2 ms 256 KB Output isn't correct
8 Halted 0 ms 0 KB -