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Submission #91010

# Submission time Handle Problem Language Result Execution time Memory
91010 2018-12-25T15:06:21 Z popovicirobert Money (IZhO17_money) C++14
100 / 100
 165 ms 151976 KB 
#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
#define ll long long
#define ull unsigned long long
#define ld long double
// 217
// 44

using namespace std;

const int MAXN = (int) 1e6;

int arr[MAXN + 1];
int aib[MAXN + 1];

inline void update(int pos, int n) {
    for(int i = pos; i <= MAXN; i += lsb(i)) {
        aib[i]++;
    }
}

inline int query(int pos) {
    int ans = 0;
    for(int i = pos; i > 0; i -= lsb(i)) {
        ans += aib[i];
    }
    return ans;
}

inline int sum(int l, int r) {
    if(l == r) {
        return 0;
    }
    return query(r - 1) - query(l);
}

int main() {
    //ifstream cin("A.in");
    //ofstream cout("A.out");
    int i, n;
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    cin >> n;
    for(i = 1; i <= n; i++) {
        cin >> arr[i];
    }
    int ans = 0;
    i = 1;
    while(i <= n) {
        int j = i + 1;
        ans++;
        while(j <= n && arr[j] >= arr[j - 1] && sum(arr[i], arr[j]) == 0) {
            j++;
        }
        while(i < j) {
            update(arr[i], n);
            i++;
        }
    }
    cout << ans;
    //cin.close();
    //cout.close();
    return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 532 KB Output is correct
3 Correct 2 ms 532 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 720 KB Output is correct
12 Correct 2 ms 720 KB Output is correct
13 Correct 2 ms 756 KB Output is correct
14 Correct 2 ms 756 KB Output is correct
15 Correct 2 ms 812 KB Output is correct
16 Correct 2 ms 820 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 532 KB Output is correct
3 Correct 2 ms 532 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 720 KB Output is correct
12 Correct 2 ms 720 KB Output is correct
13 Correct 2 ms 756 KB Output is correct
14 Correct 2 ms 756 KB Output is correct
15 Correct 2 ms 812 KB Output is correct
16 Correct 2 ms 820 KB Output is correct
17 Correct 2 ms 820 KB Output is correct
18 Correct 2 ms 828 KB Output is correct
19 Correct 2 ms 828 KB Output is correct
20 Correct 2 ms 836 KB Output is correct
21 Correct 2 ms 892 KB Output is correct
22 Correct 2 ms 892 KB Output is correct
23 Correct 2 ms 892 KB Output is correct
24 Correct 2 ms 892 KB Output is correct
25 Correct 2 ms 892 KB Output is correct
26 Correct 2 ms 892 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 532 KB Output is correct
3 Correct 2 ms 532 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 720 KB Output is correct
12 Correct 2 ms 720 KB Output is correct
13 Correct 2 ms 756 KB Output is correct
14 Correct 2 ms 756 KB Output is correct
15 Correct 2 ms 812 KB Output is correct
16 Correct 2 ms 820 KB Output is correct
17 Correct 2 ms 820 KB Output is correct
18 Correct 2 ms 828 KB Output is correct
19 Correct 2 ms 828 KB Output is correct
20 Correct 2 ms 836 KB Output is correct
21 Correct 2 ms 892 KB Output is correct
22 Correct 2 ms 892 KB Output is correct
23 Correct 2 ms 892 KB Output is correct
24 Correct 2 ms 892 KB Output is correct
25 Correct 2 ms 892 KB Output is correct
26 Correct 2 ms 892 KB Output is correct
27 Correct 2 ms 892 KB Output is correct
28 Correct 2 ms 892 KB Output is correct
29 Correct 2 ms 892 KB Output is correct
30 Correct 2 ms 892 KB Output is correct
31 Correct 2 ms 892 KB Output is correct
32 Correct 2 ms 916 KB Output is correct
33 Correct 2 ms 916 KB Output is correct
34 Correct 2 ms 1052 KB Output is correct
35 Correct 1 ms 1052 KB Output is correct
36 Correct 2 ms 1052 KB Output is correct
37 Correct 3 ms 1960 KB Output is correct
38 Correct 3 ms 2092 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 532 KB Output is correct
3 Correct 2 ms 532 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 720 KB Output is correct
12 Correct 2 ms 720 KB Output is correct
13 Correct 2 ms 756 KB Output is correct
14 Correct 2 ms 756 KB Output is correct
15 Correct 2 ms 812 KB Output is correct
16 Correct 2 ms 820 KB Output is correct
17 Correct 2 ms 820 KB Output is correct
18 Correct 2 ms 828 KB Output is correct
19 Correct 2 ms 828 KB Output is correct
20 Correct 2 ms 836 KB Output is correct
21 Correct 2 ms 892 KB Output is correct
22 Correct 2 ms 892 KB Output is correct
23 Correct 2 ms 892 KB Output is correct
24 Correct 2 ms 892 KB Output is correct
25 Correct 2 ms 892 KB Output is correct
26 Correct 2 ms 892 KB Output is correct
27 Correct 2 ms 892 KB Output is correct
28 Correct 2 ms 892 KB Output is correct
29 Correct 2 ms 892 KB Output is correct
30 Correct 2 ms 892 KB Output is correct
31 Correct 2 ms 892 KB Output is correct
32 Correct 2 ms 916 KB Output is correct
33 Correct 2 ms 916 KB Output is correct
34 Correct 2 ms 1052 KB Output is correct
35 Correct 1 ms 1052 KB Output is correct
36 Correct 2 ms 1052 KB Output is correct
37 Correct 3 ms 1960 KB Output is correct
38 Correct 3 ms 2092 KB Output is correct
39 Correct 63 ms 5936 KB Output is correct
40 Correct 104 ms 12636 KB Output is correct
41 Correct 53 ms 13460 KB Output is correct
42 Correct 47 ms 15784 KB Output is correct
43 Correct 33 ms 17088 KB Output is correct
44 Correct 131 ms 26700 KB Output is correct
45 Correct 127 ms 33336 KB Output is correct
46 Correct 129 ms 40308 KB Output is correct
47 Correct 119 ms 47052 KB Output is correct
48 Correct 126 ms 53932 KB Output is correct
49 Correct 144 ms 64556 KB Output is correct
50 Correct 147 ms 71608 KB Output is correct
51 Correct 142 ms 78040 KB Output is correct
52 Correct 146 ms 85016 KB Output is correct
53 Correct 145 ms 91684 KB Output is correct
54 Correct 152 ms 98356 KB Output is correct
55 Correct 161 ms 105012 KB Output is correct
56 Correct 152 ms 111736 KB Output is correct
57 Correct 153 ms 118516 KB Output is correct
58 Correct 158 ms 125376 KB Output is correct
59 Correct 154 ms 132092 KB Output is correct
60 Correct 151 ms 138732 KB Output is correct
61 Correct 159 ms 145188 KB Output is correct
62 Correct 165 ms 151976 KB Output is correct