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Submission #465048

# Submission time Handle Problem Language Result Execution time Memory
465048 2021-08-15T01:04:06 Z deinfreund Global Warming (CEOI18_glo) C++14
27 / 100
 298 ms 14812 KB 
#include <bits/stdc++.h>

using namespace std;

int main() {
  int n, num, d;
  cin >> n >> d;
  map<int, int> blub, fred;
  blub[-d] = fred[-d] = 0;
  for (int i = 0; i < n; i++) {
    cin >> num;
    blub[num] = prev(blub.lower_bound(num))->second + 1;
    fred[num] = max(prev(blub.lower_bound(num + d))->second + 1, prev(fred.lower_bound(num))->second + 1);
    auto it = blub.find(num);
    int val = it->second;
    auto nextit = next(it);
    while(nextit != blub.end() && nextit->second < val) {
      blub.erase(nextit);
      nextit = next(blub.find(num));
    }
    {
      auto it = fred.find(num);
      int val = it->second;
      auto nextit = next(it);
      while(nextit != fred.end() && nextit->second < val) {
	fred.erase(nextit);
	nextit = next(fred.find(num));
      }
    }
  }
  cout << fred.rbegin()->second << "\n";
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Incorrect 0 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Incorrect 0 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Incorrect 0 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 298 ms 2312 KB Output is correct
2 Correct 290 ms 2372 KB Output is correct
3 Correct 293 ms 2344 KB Output is correct
4 Correct 284 ms 2444 KB Output is correct
5 Correct 218 ms 10724 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 68 ms 956 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 134 ms 1228 KB Output is correct
2 Correct 133 ms 1320 KB Output is correct
3 Correct 275 ms 2244 KB Output is correct
4 Correct 153 ms 6072 KB Output is correct
5 Correct 133 ms 5464 KB Output is correct
6 Correct 277 ms 14812 KB Output is correct
7 Correct 293 ms 10984 KB Output is correct
8 Correct 132 ms 4392 KB Output is correct

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Incorrect 0 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -