oj.uz

Submission #1105520

# Submission time Handle Problem Language Result Execution time Memory
1105520 2024-10-26T16:05:41 Z _callmelucian Bliskost (COI23_bliskost) C++14
100 / 100
 748 ms 47832 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pl;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tt;

#define all(a) a.begin(), a.end()
#define filter(a) a.erase(unique(all(a)), a.end())

int add (int a, int b) {
    assert(0 <= a && a < 26 && 0 <= b && b < 26);
    return a + b - (a + b < 26 ? 0 : 26);
}

int sub (int a, int b) {
    assert(0 <= a && a < 26 && 0 <= b && b < 26);
    return a - b + (a - b >= 0 ? 0 : 26);
}

int mul (int a, int b) {
    assert(0 <= a && a < 26 && 0 <= b && b < 26);
    return 1LL * a * b % 26;
}

struct IT {
    vector<pii> tr;
    IT (int sz) : tr(4 * sz) {}

    pii opr (pii a, pii b) {
        return {mul(a.first, b.first), add(mul(a.first, b.second), a.second)};
    }

    void update (int pos, pii val, int k, int l, int r) {
        if (pos < l || r < pos) return;
        if (l == r) return tr[k] = val, void();
        int mid = (l + r) >> 1;
        update(pos, val, 2 * k, l, mid);
        update(pos, val, 2 * k + 1, mid + 1, r);
        tr[k] = opr(tr[2 * k], tr[2 * k + 1]);
    }

    bool valid() { return tr[1].second == 0; }
};

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    int n, q; cin >> n >> q;
    string s, t; cin >> s >> t;
    s = " " + s, t = " " + t;

    IT tree(n);
    for (int i = 1; i <= n; i++) {
        int val = sub(t[i] - 'a', s[i] - 'a');
        tree.update(i, make_pair(sub(0, 1), val), 1, 1, n);
    }

    cout << (tree.valid() ? "da" : "ne") << "\n";
    while (q--) {
        int p; char c; cin >> p >> c;
        int val = sub(t[p] - 'a', c - 'a');
        s[p] = c;
        tree.update(p, make_pair(sub(0, 1), val), 1, 1, n);
        cout << (tree.valid() ? "da" : "ne") << "\n";
    }

    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 504 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 372 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 504 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 372 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 227 ms 35724 KB Output is correct
32 Correct 220 ms 35688 KB Output is correct
33 Correct 222 ms 35604 KB Output is correct
34 Correct 236 ms 35560 KB Output is correct
35 Correct 231 ms 35536 KB Output is correct
36 Correct 225 ms 36168 KB Output is correct
37 Correct 251 ms 36248 KB Output is correct
38 Correct 228 ms 35816 KB Output is correct
39 Correct 223 ms 35916 KB Output is correct
40 Correct 238 ms 36264 KB Output is correct
41 Correct 231 ms 35552 KB Output is correct
42 Correct 223 ms 35536 KB Output is correct
43 Correct 220 ms 36052 KB Output is correct
44 Correct 220 ms 35576 KB Output is correct
45 Correct 212 ms 35556 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 15 ms 592 KB Output is correct
17 Correct 10 ms 592 KB Output is correct
18 Correct 10 ms 516 KB Output is correct
19 Correct 11 ms 752 KB Output is correct
20 Correct 10 ms 592 KB Output is correct
21 Correct 10 ms 592 KB Output is correct
22 Correct 10 ms 592 KB Output is correct
23 Correct 10 ms 592 KB Output is correct
24 Correct 10 ms 596 KB Output is correct
25 Correct 10 ms 604 KB Output is correct
26 Correct 10 ms 592 KB Output is correct
27 Correct 12 ms 592 KB Output is correct
28 Correct 11 ms 592 KB Output is correct
29 Correct 10 ms 592 KB Output is correct
30 Correct 10 ms 592 KB Output is correct

Subtask #5
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 504 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 372 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 15 ms 592 KB Output is correct
32 Correct 10 ms 592 KB Output is correct
33 Correct 10 ms 516 KB Output is correct
34 Correct 11 ms 752 KB Output is correct
35 Correct 10 ms 592 KB Output is correct
36 Correct 10 ms 592 KB Output is correct
37 Correct 10 ms 592 KB Output is correct
38 Correct 10 ms 592 KB Output is correct
39 Correct 10 ms 596 KB Output is correct
40 Correct 10 ms 604 KB Output is correct
41 Correct 10 ms 592 KB Output is correct
42 Correct 12 ms 592 KB Output is correct
43 Correct 11 ms 592 KB Output is correct
44 Correct 10 ms 592 KB Output is correct
45 Correct 10 ms 592 KB Output is correct
46 Correct 20 ms 772 KB Output is correct
47 Correct 22 ms 592 KB Output is correct
48 Correct 22 ms 592 KB Output is correct
49 Correct 20 ms 724 KB Output is correct
50 Correct 20 ms 592 KB Output is correct
51 Correct 23 ms 592 KB Output is correct
52 Correct 25 ms 720 KB Output is correct
53 Correct 21 ms 592 KB Output is correct
54 Correct 21 ms 576 KB Output is correct
55 Correct 22 ms 592 KB Output is correct
56 Correct 21 ms 592 KB Output is correct
57 Correct 22 ms 592 KB Output is correct
58 Correct 22 ms 592 KB Output is correct
59 Correct 24 ms 592 KB Output is correct
60 Correct 26 ms 592 KB Output is correct

Subtask #6
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 504 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 372 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 227 ms 35724 KB Output is correct
32 Correct 220 ms 35688 KB Output is correct
33 Correct 222 ms 35604 KB Output is correct
34 Correct 236 ms 35560 KB Output is correct
35 Correct 231 ms 35536 KB Output is correct
36 Correct 225 ms 36168 KB Output is correct
37 Correct 251 ms 36248 KB Output is correct
38 Correct 228 ms 35816 KB Output is correct
39 Correct 223 ms 35916 KB Output is correct
40 Correct 238 ms 36264 KB Output is correct
41 Correct 231 ms 35552 KB Output is correct
42 Correct 223 ms 35536 KB Output is correct
43 Correct 220 ms 36052 KB Output is correct
44 Correct 220 ms 35576 KB Output is correct
45 Correct 212 ms 35556 KB Output is correct
46 Correct 15 ms 592 KB Output is correct
47 Correct 10 ms 592 KB Output is correct
48 Correct 10 ms 516 KB Output is correct
49 Correct 11 ms 752 KB Output is correct
50 Correct 10 ms 592 KB Output is correct
51 Correct 10 ms 592 KB Output is correct
52 Correct 10 ms 592 KB Output is correct
53 Correct 10 ms 592 KB Output is correct
54 Correct 10 ms 596 KB Output is correct
55 Correct 10 ms 604 KB Output is correct
56 Correct 10 ms 592 KB Output is correct
57 Correct 12 ms 592 KB Output is correct
58 Correct 11 ms 592 KB Output is correct
59 Correct 10 ms 592 KB Output is correct
60 Correct 10 ms 592 KB Output is correct
61 Correct 20 ms 772 KB Output is correct
62 Correct 22 ms 592 KB Output is correct
63 Correct 22 ms 592 KB Output is correct
64 Correct 20 ms 724 KB Output is correct
65 Correct 20 ms 592 KB Output is correct
66 Correct 23 ms 592 KB Output is correct
67 Correct 25 ms 720 KB Output is correct
68 Correct 21 ms 592 KB Output is correct
69 Correct 21 ms 576 KB Output is correct
70 Correct 22 ms 592 KB Output is correct
71 Correct 21 ms 592 KB Output is correct
72 Correct 22 ms 592 KB Output is correct
73 Correct 22 ms 592 KB Output is correct
74 Correct 24 ms 592 KB Output is correct
75 Correct 26 ms 592 KB Output is correct
76 Correct 699 ms 47368 KB Output is correct
77 Correct 686 ms 47668 KB Output is correct
78 Correct 734 ms 47388 KB Output is correct
79 Correct 696 ms 47312 KB Output is correct
80 Correct 720 ms 47332 KB Output is correct
81 Correct 642 ms 47460 KB Output is correct
82 Correct 646 ms 47320 KB Output is correct
83 Correct 652 ms 47324 KB Output is correct
84 Correct 719 ms 47320 KB Output is correct
85 Correct 622 ms 47484 KB Output is correct
86 Correct 707 ms 47832 KB Output is correct
87 Correct 715 ms 47668 KB Output is correct
88 Correct 748 ms 47636 KB Output is correct
89 Correct 676 ms 47320 KB Output is correct
90 Correct 733 ms 47668 KB Output is correct