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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#213587#2770. 子序列ThySecret803426ms6892kbC++112.5kb2024-11-12 21:19:232024-11-12 23:51:20

answer

#include <bits/stdc++.h>

using namespace std;

#define int long long
// #define x first
// #define y second
#define File(a) freopen(a".in", "r", stdin), freopen(a".out", "w", stdout)

inline void debug() { cerr << '\n'; }
template<typename Type, typename... Other>
inline void debug(const Type& x, const Other&... y) { cerr << x << ' '; debug(y...); }
#define DEBUG(a...) cerr << "[" << #a << "] = ", debug(a);

typedef long long LL;
typedef pair<int, int> PII;

const int N = 200010;
const int INF = 0x3f3f3f3f;
const int mod = 998244353;

template<typename Type>
inline void read(Type &res)
{
    res = 0;
    int ch = getchar(), flag = 0;
    while (!isdigit(ch)) flag |= ch == '-', ch = getchar();
    while (isdigit(ch)) res = (res << 3) + (res << 1) + (ch ^ 48), ch = getchar();
    res = flag ? -res : res;
}
template<typename Type, typename... Other>
inline void read(Type &res, Other&... y) { read(res), read(y...); }

int n, m, q;
int a[N];

struct SegsTree
{
    #define lc u << 1
    #define rc u << 1 | 1
    struct Node { int l, r, cnt[20]; } tr[N << 2];

    friend Node operator + (const Node &a, const Node &b) 
    {
        Node res = {a.l, b.r, {0}};
        for (int i = 0; i < m; i ++) res.cnt[i] = a.cnt[i];
        for (int i = 0; i < m; i ++) res.cnt[i] = (res.cnt[i] + b.cnt[i]) % mod;
        
        for (int i = 0; i < m; i ++)
            for (int j = 0; j < m; j ++)
                res.cnt[(i + j) % m] = (res.cnt[(i + j) % m] + a.cnt[i] * b.cnt[j] % mod) % mod;
        return res;
    }

    inline void pushup(int u) { tr[u] = tr[lc] + tr[rc]; }

    void build(int u, int l, int r)
    {
        tr[u].l = l, tr[u].r = r;
        if (l == r) return tr[u].cnt[a[l] % m] = 1, void();
        int mid = l + r >> 1;
        build(lc, l, mid), build(rc, mid + 1, r);
        pushup(u);
    }

    Node query(int u, int l, int r)
    {
        if (l <= tr[u].l && tr[u].r <= r)
            return tr[u];
        int mid = tr[u].l + tr[u].r >> 1;
        if (l > mid) return query(rc, l, r);
        else if (r <= mid) return query(lc, l, r);
        else return query(lc, l, r) + query(rc, l, r);
    }
} SGT;

signed main()
{
    read(n, m);
    for (int i = 1; i <= n; i ++) read(a[i]);
    SGT.build(1, 1, n);

    // DEBUG(SGT.tr[1].cnt[0]);

    read(q);
    while (q --)
    {
        int l, r; read(l, r);
        // cout << SGT.query(1, l, r) << '\n';
        SegsTree::Node res = SGT.query(1, l, r);
        cout << res.cnt[0] + 1 << '\n';
    }

    return 0;
}

详细

小提示:点击横条可展开更详细的信息

Test #1:

score: 4
Accepted
time: 0ms
memory: 1184kb

input:

10 20
7 5 5 1 7 13 19 10 2 7
10
10 10
6 7
6 8
4 10
8 9
5 8
6 10
5 5
2 6
6 8

output:

1
1
1
9
1
2
2
1
2
1

result:

ok 10 lines

Test #2:

score: 4
Accepted
time: 0ms
memory: 1180kb

input:

10 20
15 0 15 10 6 18 1 13 3 1
10
1 2
4 9
3 7
4 8
6 10
2 3
1 4
2 5
2 9
5 9

output:

2
4
2
2
2
2
4
2
12
3

result:

ok 10 lines

Test #3:

score: 4
Accepted
time: 0ms
memory: 1180kb

input:

10 20
8 9 17 13 10 13 16 11 19 3
10
6 9
3 9
2 6
1 10
5 10
6 10
4 5
2 4
10 10
3 5

output:

2
9
3
56
4
2
1
1
1
2

result:

ok 10 lines

Test #4:

score: 4
Accepted
time: 0ms
memory: 1184kb

input:

10 20
12 8 11 1 0 3 2 3 19 17
10
5 7
1 3
1 10
2 6
4 10
5 9
5 9
3 10
4 8
4 8

output:

2
2
52
4
14
2
2
16
2
2

result:

ok 10 lines

Test #5:

score: 4
Accepted
time: 0ms
memory: 1180kb

input:

10 20
7 0 2 2 8 12 10 7 1 2
10
9 9
6 9
3 7
3 8
1 6
2 4
6 8
4 5
1 6
8 9

output:

1
2
4
4
4
2
1
1
4
1

result:

ok 10 lines

Test #6:

score: 4
Accepted
time: 3ms
memory: 1232kb

input:

100 20
3 15 11 17 7 9 16 11 6 0 1 1 19 15 18 0 14 12 17 9 19 12 18 9 4 14 11 5 18 10 4 18 14 8 14 8 ...

output:

2
3
52430
2
6597996
1677704
639171407
499955182
107374112
3299510
620272825
104768
1639
719742463
84...

result:

ok 100 lines

Test #7:

score: 4
Accepted
time: 3ms
memory: 1224kb

input:

100 20
3 7 17 4 9 6 6 15 18 1 3 5 19 13 2 7 9 10 4 5 0 10 18 18 6 0 1 15 16 12 2 7 6 0 17 2 14 18 4 ...

output:

3355488
198
146407370
410865364
493515490
6710976
7
106
8
1677728
6
551274971
1
252524913
909485871
...

result:

ok 100 lines

Test #8:

score: 4
Accepted
time: 0ms
memory: 1228kb

input:

100 20
1 11 5 10 8 2 11 14 2 11 7 4 13 4 2 1 13 4 0 13 4 8 3 12 12 17 12 13 16 2 5 12 13 0 5 11 0 7 ...

output:

26391984
10
102265781
102298549
692699452
409
5
214748032
1677728
535722995
535730163
848
2
3299254
...

result:

ok 100 lines

Test #9:

score: 4
Accepted
time: 3ms
memory: 1232kb

input:

100 20
8 18 4 8 11 9 1 19 7 14 7 13 4 3 14 0 10 3 13 16 2 5 17 18 7 10 7 3 19 1 16 18 7 13 19 13 2 1...

output:

804
29
26228
214748368
26
406
144284306
107374200
3276
214748736
13196104
102
209724
3355344
419461
...

result:

ok 100 lines

Test #10:

score: 4
Accepted
time: 0ms
memory: 1228kb

input:

100 20
17 1 13 11 0 8 12 2 4 15 14 18 6 6 5 16 18 4 6 19 4 0 4 6 10 19 5 4 18 17 14 16 3 0 1 6 2 4 0...

output:

107223667
107374192
766721907
52
3355432
882475258
396
13195992
1
312054174
156027151
8
640072527
44...

result:

ok 100 lines

Test #11:

score: 4
Accepted
time: 42ms
memory: 1540kb

input:

1000 20
7 14 19 15 16 8 19 15 5 5 6 3 4 16 0 1 7 6 14 3 12 2 4 5 16 12 12 8 1 9 6 13 4 10 12 16 11 7...

output:

339309012
715944960
16970373
501317746
497971938
785900425
283406068
695993316
288567892
854664381
7...

result:

ok 1000 lines

Test #12:

score: 4
Accepted
time: 38ms
memory: 1544kb

input:

1000 20
16 7 12 15 13 10 8 1 14 16 13 6 16 7 4 11 0 17 6 3 4 8 17 10 3 11 18 13 17 19 15 4 7 17 12 4...

output:

12
484141516
418898843
384084964
178290006
933245386
52381
892337346
229891253
934700126
807539512
7...

result:

ok 1000 lines

Test #13:

score: 4
Accepted
time: 40ms
memory: 1540kb

input:

1000 20
7 7 16 0 12 6 11 3 7 16 12 11 1 7 17 0 11 8 14 17 8 17 7 18 1 11 14 0 6 5 10 0 12 15 1 4 5 1...

output:

425631668
766990330
470949041
144283538
76394829
244140496
139661591
660069093
200874398
25390655
76...

result:

ok 1000 lines

Test #14:

score: 4
Accepted
time: 45ms
memory: 1540kb

input:

1000 20
19 3 14 11 9 17 18 4 11 5 0 18 2 11 13 12 8 10 15 19 12 9 2 15 5 19 14 17 17 7 18 5 2 8 5 0 ...

output:

778881096
21365162
250529076
897109757
514479914
7228728
941349307
893048929
815002080
383473661
308...

result:

ok 1000 lines

Test #15:

score: 4
Accepted
time: 42ms
memory: 1540kb

input:

1000 20
16 19 4 2 2 19 19 5 11 4 16 7 17 6 11 11 7 10 6 3 15 1 11 12 5 11 12 13 3 10 12 2 19 9 4 8 6...

output:

137484337
590803498
174472747
415795727
331378054
86892911
572721242
751509743
544015630
579988222
5...

result:

ok 1000 lines

Test #16:

score: 4
Accepted
time: 595ms
memory: 6888kb

input:

10000 20
12 8 12 19 9 19 1 10 19 11 12 10 19 5 0 16 17 1 9 18 18 13 6 0 14 16 6 6 3 6 17 2 13 19 13 ...

output:

874193350
88092426
703854077
255513247
263525020
961914369
501713148
112245351
4751861
552142943
766...

result:

ok 10000 lines

Test #17:

score: 4
Accepted
time: 755ms
memory: 6892kb

input:

10000 20
8 15 6 17 5 13 11 1 7 9 16 16 15 12 4 19 18 2 3 10 13 15 12 5 3 6 15 2 0 11 8 19 13 18 12 1...

output:

11498054
218890270
805811648
523169045
36644268
676722590
107529713
389206944
180310864
370902170
93...

result:

ok 10000 lines

Test #18:

score: 4
Accepted
time: 661ms
memory: 6892kb

input:

10000 20
0 9 6 6 17 19 11 13 18 14 0 10 3 0 0 11 12 11 2 19 18 12 13 16 8 7 14 12 10 2 7 3 4 18 10 1...

output:

963045808
67765534
341654959
274135849
984343299
760669853
518406338
929293037
928480977
282120869
5...

result:

ok 10000 lines

Test #19:

score: 4
Accepted
time: 597ms
memory: 6892kb

input:

10000 20
5 13 8 2 2 13 16 17 9 8 15 10 1 12 2 18 19 1 0 17 9 7 16 14 0 9 19 14 13 3 19 17 5 3 19 17 ...

output:

875247851
468456670
916495575
626409154
397961025
981686654
910510358
489047816
475311520
621799641
...

result:

ok 10000 lines

Test #20:

score: 4
Accepted
time: 602ms
memory: 6892kb

input:

10000 20
5 8 19 15 4 8 12 14 4 5 16 13 17 9 3 3 15 4 15 19 17 8 14 16 16 13 19 18 19 7 13 5 11 11 12...

output:

48
749885568
651004611
360760522
382504567
80840770
984919888
975485976
602298974
810921063
70525290...

result:

ok 10000 lines

Test #21:

score: 0
Time Limit Exceeded

input:

200000 20
11 5 3 3 2 9 10 10 15 4 19 1 3 0 19 19 15 0 0 12 14 16 1 8 3 18 10 6 14 11 2 7 17 2 0 1 12...

output:

57545307
511527331
937554911
981484815
371783591
343612155
144012387
671312765
172565790
646720741
6...

result:


Test #22:

score: 0
Time Limit Exceeded

input:

200000 20
13 15 5 3 2 0 3 4 6 16 14 0 4 11 8 10 18 5 3 12 1 7 2 16 13 19 16 16 3 16 6 8 2 6 10 0 13 ...

output:

110393808
614595997
675993626
352172325
656690898
85268545
562486581
625807444
256144882
715123322
1...

result:


Test #23:

score: 0
Time Limit Exceeded

input:

200000 20
15 8 8 12 19 10 4 14 16 6 3 17 13 4 14 17 5 15 19 4 0 3 17 5 4 9 14 19 10 11 9 13 0 3 18 0...

output:

218640057
773256405
471300811
440220680
22914143
995240220
74748924
961518981
576143084
505721968
98...

result:


Test #24:

score: 0
Time Limit Exceeded

input:

200000 20
11 4 7 18 16 15 15 18 11 2 4 1 17 18 6 9 19 12 2 14 8 6 10 4 15 16 17 13 18 1 15 18 15 9 1...

output:

438860874
296640640
148674750
179598802
959408351
495193666
256751307
388747462
742085106
275253591
...

result:


Test #25:

score: 0
Time Limit Exceeded

input:

200000 20
5 3 18 11 17 13 14 19 0 0 1 3 4 13 8 1 15 7 15 2 12 8 3 15 8 1 4 8 7 5 9 16 9 16 0 14 2 16...

output:

739309565
623604720
856984772
733601935
300585886
799383531
11214289
118961089
279592831
299606639
5...

result: