oj.uz

Submission #508399

# Submission time Handle Problem Language Result Execution time Memory
508399 2022-01-13T10:20:56 Z alextodoran Safety (NOI18_safety) C++17
100 / 100
 260 ms 22620 KB 
/**
 ____ ____ ____ ____ ____
||a |||t |||o |||d |||o ||
||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|

**/

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N_MAX = 200000;

int N;
ll H;

ll S[N_MAX + 2];

ll valueAtZero;

int deletedLeft;
multiset <ll> leftPivots;
multiset <ll> rightPivots;

ll shiftLeft, shiftRight;

void addPivot (ll piv) {
    if (rightPivots.empty() == true
    || *rightPivots.begin() + shiftRight <= piv) {
        rightPivots.insert(piv - shiftRight);
    } else {
        leftPivots.insert(piv - shiftLeft);
    }
    if ((int) leftPivots.size() + deletedLeft > (int) rightPivots.size()) {
        rightPivots.insert(*prev(leftPivots.end()) + shiftLeft - shiftRight);
        leftPivots.erase(prev(leftPivots.end()));
    }
    if ((int) rightPivots.size() > (int) leftPivots.size() + deletedLeft + 1) {
        leftPivots.insert(*rightPivots.begin() + shiftRight - shiftLeft);
        rightPivots.erase(rightPivots.begin());
    }
}

void expand () {
    shiftLeft -= H;
    shiftRight += H;
    while (leftPivots.empty() == false && *leftPivots.begin() < 0) {
        leftPivots.erase(leftPivots.begin());
        deletedLeft++;
    }
    valueAtZero -= H * (int) leftPivots.size();
}

ll getMin () {
    ll value = valueAtZero;
    for (ll piv : leftPivots) {
           value -= (piv + shiftLeft);
    }
    return value;
}

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    cin >> N >> H;
    for (int i = 1; i <= N; i++) {
        cin >> S[i];
    }

    valueAtZero += S[1];
    addPivot(S[1]);
    addPivot(S[1]);

    for (int i = 2; i <= N; i++) {
        valueAtZero += S[i];
        expand();
        addPivot(S[i]);
        addPivot(S[i]);
    }

    cout << getMin() << "\n";

    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 140 ms 13524 KB Output is correct
2 Correct 260 ms 19324 KB Output is correct
3 Correct 207 ms 20148 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 316 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 316 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 320 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 320 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 316 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 316 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 320 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 320 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 316 KB Output is correct
28 Correct 3 ms 844 KB Output is correct
29 Correct 2 ms 712 KB Output is correct
30 Correct 4 ms 844 KB Output is correct
31 Correct 4 ms 716 KB Output is correct
32 Correct 3 ms 708 KB Output is correct
33 Correct 2 ms 844 KB Output is correct
34 Correct 4 ms 716 KB Output is correct

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 324 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 316 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 320 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 320 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 316 KB Output is correct
34 Correct 3 ms 844 KB Output is correct
35 Correct 2 ms 712 KB Output is correct
36 Correct 4 ms 844 KB Output is correct
37 Correct 4 ms 716 KB Output is correct
38 Correct 3 ms 708 KB Output is correct
39 Correct 2 ms 844 KB Output is correct
40 Correct 4 ms 716 KB Output is correct
41 Correct 3 ms 844 KB Output is correct
42 Correct 2 ms 716 KB Output is correct
43 Correct 3 ms 760 KB Output is correct
44 Correct 3 ms 844 KB Output is correct
45 Correct 5 ms 716 KB Output is correct
46 Correct 5 ms 848 KB Output is correct

Subtask #9
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 140 ms 13524 KB Output is correct
20 Correct 260 ms 19324 KB Output is correct
21 Correct 207 ms 20148 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 300 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 316 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 320 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 320 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 316 KB Output is correct
37 Correct 3 ms 844 KB Output is correct
38 Correct 2 ms 712 KB Output is correct
39 Correct 4 ms 844 KB Output is correct
40 Correct 4 ms 716 KB Output is correct
41 Correct 3 ms 708 KB Output is correct
42 Correct 2 ms 844 KB Output is correct
43 Correct 4 ms 716 KB Output is correct
44 Correct 3 ms 844 KB Output is correct
45 Correct 2 ms 716 KB Output is correct
46 Correct 3 ms 760 KB Output is correct
47 Correct 3 ms 844 KB Output is correct
48 Correct 5 ms 716 KB Output is correct
49 Correct 5 ms 848 KB Output is correct
50 Correct 241 ms 22620 KB Output is correct
51 Correct 180 ms 18724 KB Output is correct
52 Correct 145 ms 18000 KB Output is correct
53 Correct 169 ms 21024 KB Output is correct
54 Correct 116 ms 21544 KB Output is correct
55 Correct 152 ms 18424 KB Output is correct
56 Correct 167 ms 20084 KB Output is correct
57 Correct 158 ms 18488 KB Output is correct
58 Correct 110 ms 15492 KB Output is correct
59 Correct 186 ms 20480 KB Output is correct