oj.uz

Submission #365992

# Submission time Handle Problem Language Result Execution time Memory
365992 2021-02-12T16:29:34 Z vishesh312 Stove (JOI18_stove) C++17
50 / 100
 1000 ms 4708 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
void solve(){
  int tc,k;
  cin>>tc>>k;
  k--;
  vector<int>v,diff;
  for(int i=0;i<tc;i++){
    int n;
    cin>>n;
    v.push_back(n);
    v.push_back(n+1);
  }
  int ans=0;
  ans+=tc;
  auto st = v.begin();
  auto end = v.end();
  end--;
  v.erase(end);
  v.erase(st);
  for(int i=0;i<v.size();i+=2){
    diff.push_back(v[i+1]-v[i]);
  }
  sort(diff.rbegin(),diff.rend());
  while(k!=0){
    auto it = diff.begin();
    diff.erase(it);
    k--;
  }
  for(int i=0;i<diff.size();i++){
    ans+=diff[i];
  }
  cout<<ans;
}
signed main() {
  ios_base::sync_with_stdio(false); cin.tie(NULL);
  int tc=1;
  for(int i=0;i<tc;i++)solve();
  return 0;
}

Compilation message

stove.cpp: In function 'void solve()':
stove.cpp:23:16: 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]
   23 |   for(int i=0;i<v.size();i+=2){
      |               ~^~~~~~~~~
stove.cpp:32:16: 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]
   32 |   for(int i=0;i<diff.size();i++){
      |               ~^~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 3 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 3 ms 492 KB Output is correct

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 3 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 3 ms 492 KB Output is correct
16 Correct 24 ms 3684 KB Output is correct
17 Correct 30 ms 3684 KB Output is correct
18 Correct 96 ms 3684 KB Output is correct
19 Correct 716 ms 3812 KB Output is correct
20 Execution timed out 1092 ms 4708 KB Time limit exceeded
21 Halted 0 ms 0 KB -