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Submission #361881

# Submission time Handle Problem Language Result Execution time Memory
361881 2021-01-31T19:39:11 Z kimbj0709 Feast (NOI19_feast) C++14
100 / 100
 281 ms 10756 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define f first
#define s second
int n,k;
vector<int> vect1;
pair<int,int> find(int val){
  vector<int> dp(n,0);
  vector<int> take(n,0);
  int currmin = 0;
  int currtake = 0;
  for(int i=0;i<n;i++){
    if(i!=0){
      dp[i] = dp[i-1];
      take[i] = take[i-1];
    }
    if(vect1[i]-currmin-val>dp[i]){
      dp[i] = vect1[i]-currmin-val;
      take[i] = currtake+1;
    }
    if(vect1[i]-dp[i]<currmin){
      currmin = vect1[i]-dp[i];
      currtake = take[i];
    }
  }
  return {dp[n-1],take[n-1]};

}
int32_t main() {
  ios::sync_with_stdio(0);
  cin.tie(0);cout.tie(0);
  cin >> n >> k;
  int input;
  for(int i=0;i<n;i++){
    cin >> input;
    vect1.push_back(input);
  }
  for(int i=1;i<n;i++){
    vect1[i] += vect1[i-1];
  }
  int lo = 0,hi = 10e15;
  while(lo+1!=hi){
    int mid = (lo+hi)/2;
    if(find(mid).s>=k){
      lo = mid;
    }
    else{
      hi = mid;
    }
  }
  //cout << lo << " " << hi << endl;
  cout << find(lo).f+lo*k;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 211 ms 10220 KB Output is correct
2 Correct 202 ms 10336 KB Output is correct
3 Correct 207 ms 10508 KB Output is correct
4 Correct 211 ms 10416 KB Output is correct
5 Correct 230 ms 10336 KB Output is correct
6 Correct 199 ms 10252 KB Output is correct
7 Correct 207 ms 10304 KB Output is correct
8 Correct 216 ms 10420 KB Output is correct
9 Correct 204 ms 10256 KB Output is correct
10 Correct 212 ms 10316 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 194 ms 8544 KB Output is correct
2 Correct 200 ms 8672 KB Output is correct
3 Correct 198 ms 8524 KB Output is correct
4 Correct 194 ms 8544 KB Output is correct
5 Correct 212 ms 10272 KB Output is correct
6 Correct 226 ms 8608 KB Output is correct
7 Correct 199 ms 8728 KB Output is correct
8 Correct 218 ms 10436 KB Output is correct
9 Correct 217 ms 10240 KB Output is correct
10 Correct 199 ms 8688 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 229 ms 10464 KB Output is correct
2 Correct 259 ms 10440 KB Output is correct
3 Correct 234 ms 10556 KB Output is correct
4 Correct 245 ms 10608 KB Output is correct
5 Correct 230 ms 10464 KB Output is correct
6 Correct 237 ms 10692 KB Output is correct
7 Correct 234 ms 10696 KB Output is correct
8 Correct 229 ms 10652 KB Output is correct
9 Correct 259 ms 10748 KB Output is correct
10 Correct 235 ms 10592 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 2 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct

Subtask #7
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 211 ms 10220 KB Output is correct
2 Correct 202 ms 10336 KB Output is correct
3 Correct 207 ms 10508 KB Output is correct
4 Correct 211 ms 10416 KB Output is correct
5 Correct 230 ms 10336 KB Output is correct
6 Correct 199 ms 10252 KB Output is correct
7 Correct 207 ms 10304 KB Output is correct
8 Correct 216 ms 10420 KB Output is correct
9 Correct 204 ms 10256 KB Output is correct
10 Correct 212 ms 10316 KB Output is correct
11 Correct 194 ms 8544 KB Output is correct
12 Correct 200 ms 8672 KB Output is correct
13 Correct 198 ms 8524 KB Output is correct
14 Correct 194 ms 8544 KB Output is correct
15 Correct 212 ms 10272 KB Output is correct
16 Correct 226 ms 8608 KB Output is correct
17 Correct 199 ms 8728 KB Output is correct
18 Correct 218 ms 10436 KB Output is correct
19 Correct 217 ms 10240 KB Output is correct
20 Correct 199 ms 8688 KB Output is correct
21 Correct 229 ms 10464 KB Output is correct
22 Correct 259 ms 10440 KB Output is correct
23 Correct 234 ms 10556 KB Output is correct
24 Correct 245 ms 10608 KB Output is correct
25 Correct 230 ms 10464 KB Output is correct
26 Correct 237 ms 10692 KB Output is correct
27 Correct 234 ms 10696 KB Output is correct
28 Correct 229 ms 10652 KB Output is correct
29 Correct 259 ms 10748 KB Output is correct
30 Correct 235 ms 10592 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 2 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 364 KB Output is correct
55 Correct 2 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 1 ms 364 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 266 ms 10464 KB Output is correct
62 Correct 280 ms 10756 KB Output is correct
63 Correct 246 ms 10396 KB Output is correct
64 Correct 274 ms 10596 KB Output is correct
65 Correct 281 ms 10572 KB Output is correct
66 Correct 277 ms 10584 KB Output is correct
67 Correct 265 ms 10524 KB Output is correct
68 Correct 245 ms 10516 KB Output is correct
69 Correct 261 ms 10360 KB Output is correct
70 Correct 231 ms 10388 KB Output is correct