oj.uz

Submission #879991

# Submission time Handle Problem Language Result Execution time Memory
879991 2023-11-28T14:13:27 Z Karoot Hacker (BOI15_hac) C++17
100 / 100
 259 ms 18772 KB 
#include <iostream>
#include <cmath>
#include <unordered_map>
#include <map>
#include <set>
#include <queue>
#include <vector>
#include <string>
#include <iomanip>
#include <algorithm>
 
#define all(x)  (x).begin(), (x).end()
#define rall(x)  (x).rbegin(), (x).rend()
 
using namespace std;
 
typedef long long ll;
 
ll linf = 1e15+1;
 
inline void scoobydoobydoo(){
    ios::sync_with_stdio(false);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
}
 
int segmet[(int)1e8];
 
int main(){
    scoobydoobydoo();
    int n; cin >> n;
    vector<int> v(n);
    for (int i = 0; i < n; i++)cin >> v[i];
    int half = ceil((double)n/2.0);
    int startSum = 0;
    for (int i = 0; i < half; i++){
        startSum += v[i];
    }
 
    int i = 0, j = half-1;
    segmet[i] = startSum;
    while (i < n){
        j = (j+1)%n;
        startSum += v[j];
        startSum -= v[i++];
        segmet[i] = startSum;
    }
 
    multiset<int> ms;
    for (int i = 0; i < half; i++){
        ms.insert(segmet[i]);
    }
    int maxi = -1;
 
    i = 0; j = half-1;
 
    while (i < n){
        maxi = max(maxi, *ms.begin());
        auto it = ms.find(segmet[i]);
        ms.erase(it);
        i++;
        j = (j+1)%n;
        ms.insert(segmet[j]);
    }
 
    cout << maxi << endl;  
 
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 636 KB Output is correct
31 Correct 1 ms 604 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 25 ms 5212 KB Output is correct
5 Correct 74 ms 8920 KB Output is correct
6 Correct 95 ms 10576 KB Output is correct
7 Correct 106 ms 12108 KB Output is correct
8 Correct 234 ms 18564 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 636 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 25 ms 5212 KB Output is correct
36 Correct 74 ms 8920 KB Output is correct
37 Correct 95 ms 10576 KB Output is correct
38 Correct 106 ms 12108 KB Output is correct
39 Correct 234 ms 18564 KB Output is correct
40 Correct 3 ms 604 KB Output is correct
41 Correct 6 ms 1116 KB Output is correct
42 Correct 12 ms 1544 KB Output is correct
43 Correct 74 ms 9044 KB Output is correct
44 Correct 218 ms 18684 KB Output is correct
45 Correct 33 ms 5760 KB Output is correct
46 Correct 107 ms 12116 KB Output is correct
47 Correct 259 ms 18516 KB Output is correct
48 Correct 183 ms 18772 KB Output is correct
49 Correct 158 ms 18024 KB Output is correct
50 Correct 164 ms 17960 KB Output is correct