oj.uz

Submission #828500

# Submission time Handle Problem Language Result Execution time Memory
828500 2023-08-17T10:34:39 Z andecaandeci Safety (NOI18_safety) C++17
35 / 100
 2000 ms 1364 KB 
#include <bits/stdc++.h>
#define inf INT_MAX
#define longlonginf LONG_LONG_MAX
#define mod  998244353
#define MAXN 5000
#define pll pair<ll,ll>
#define ll long long
#define deb(x) cerr<<"[ "<<#x<<" = "<<x<<" ]";
#define yes() cout<<"YES\n";
#define no() cout<<"NO\n";
using namespace std;

ll n,m,k,q,x;
ll h;
ll ans = 0;
string subtask;
ll sub3 = 0;

void solve(){
  cin>>n>>k;
  ll dp[2][MAXN+5];
  k = min(k,(ll)5000);
  ll a[n];
  for(int i = 0 ; i < n ; i++){
    cin>>a[i];
  }
  for(int i = 0 ; i <= MAXN ; i++){
    dp[0][i] = abs(a[0]-i);
  }
  for(int i = 1 ; i < n ; i++){
    multiset<ll> s;
    for(int j = 0 ; j < k ; j++){
      s.insert(dp[0][j]);
    }
    for(int j = 0 ; j <= MAXN ; j++){
      if( j + k <= MAXN ) s.insert(dp[0][j+k]);
      if( j - k > 0 ) s.erase(s.lower_bound(dp[0][j-k-1]));
      dp[1][j] = abs(a[i]-j) + *s.begin();
      //cout<<i<<" "<<j<<" : "<<dp[i][j]<<"\n";
    }
    for(int j = 0 ; j <= MAXN ; j++){
      dp[0][j] = dp[1][j];
    }
  }
  ans = longlonginf;
  for(int i = 0 ; i <= MAXN ; i++){
    ans = min(ans,dp[0][i]);
  }
  cout<<ans<<"\n";
}


int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int T = 1;
  //cin>>T;
  for(int i = 0 ; i < T ; i++){
    //cout<<"Case #"<<i+1<<": ";
    solve();
  }
  return 0;
}

/*
  not i but x
  logical operator
  wrong example/proof
  thoroughly
  wrong variables
  thinking it wrong
  bruh just try some test case
  capitals ;-;
  wrong data structure lol
  count memory usement
  corner case
  oversized array
  orders
  statements
  size initializer
  while con
  map -> array
  wrong digits??
  swapped variables??
  check if theres any variabled
  that got declared twice
  find some pattern
  name collision
  constraints??!
  mod !!
  resets
*/

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 388 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 3 ms 340 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct
5 Correct 3 ms 340 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2057 ms 1364 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 388 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 130 ms 372 KB Output is correct
14 Correct 77 ms 340 KB Output is correct
15 Correct 159 ms 612 KB Output is correct
16 Correct 204 ms 388 KB Output is correct
17 Correct 176 ms 408 KB Output is correct
18 Correct 136 ms 400 KB Output is correct
19 Correct 85 ms 376 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 388 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 130 ms 372 KB Output is correct
14 Correct 77 ms 340 KB Output is correct
15 Correct 159 ms 612 KB Output is correct
16 Correct 204 ms 388 KB Output is correct
17 Correct 176 ms 408 KB Output is correct
18 Correct 136 ms 400 KB Output is correct
19 Correct 85 ms 376 KB Output is correct
20 Correct 183 ms 612 KB Output is correct
21 Correct 212 ms 468 KB Output is correct
22 Correct 70 ms 380 KB Output is correct
23 Correct 109 ms 604 KB Output is correct
24 Correct 185 ms 536 KB Output is correct
25 Correct 141 ms 612 KB Output is correct
26 Correct 196 ms 424 KB Output is correct
27 Correct 80 ms 380 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 388 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 130 ms 372 KB Output is correct
14 Correct 77 ms 340 KB Output is correct
15 Correct 159 ms 612 KB Output is correct
16 Correct 204 ms 388 KB Output is correct
17 Correct 176 ms 408 KB Output is correct
18 Correct 136 ms 400 KB Output is correct
19 Correct 85 ms 376 KB Output is correct
20 Correct 183 ms 612 KB Output is correct
21 Correct 212 ms 468 KB Output is correct
22 Correct 70 ms 380 KB Output is correct
23 Correct 109 ms 604 KB Output is correct
24 Correct 185 ms 536 KB Output is correct
25 Correct 141 ms 612 KB Output is correct
26 Correct 196 ms 424 KB Output is correct
27 Correct 80 ms 380 KB Output is correct
28 Correct 879 ms 424 KB Output is correct
29 Correct 673 ms 408 KB Output is correct
30 Correct 1940 ms 600 KB Output is correct
31 Correct 1494 ms 648 KB Output is correct
32 Correct 1514 ms 468 KB Output is correct
33 Correct 1925 ms 548 KB Output is correct
34 Correct 1476 ms 596 KB Output is correct

Subtask #8
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 388 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Incorrect 2 ms 340 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #9
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 388 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Incorrect 2 ms 340 KB Output isn't correct
14 Halted 0 ms 0 KB -