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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#786311#8079. Range Periodicity QuerylfyszyWA 504ms104912kbC++142.9kb2024-11-26 21:04:192024-11-26 21:04:27

Judging History

你现在查看的是最新测评结果

  • [2024-11-26 21:04:27]
  • 评测
  • 测评结果:WA
  • 用时:504ms
  • 内存:104912kb
  • [2024-11-26 21:04:19]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
#define chmax(x, y) x = max(x, y)
#define chmin(x, y) x = min(x, y)
#define SP << " " <<
#define fish signed
using namespace std;
mt19937 rnd(1209);
const int INF = 0x3f3f3f3f3f3f3f3f;
const int base = 66683, N = 5e5 + 10, base2 = 131, mod = 998244353;
unsigned long long prod[N], h[N];
long long prod2[N], h2[N];
int get(int l, int r) {return h[r] - h[l - 1] * prod[r - l + 1];}
int get2(int l, int r) {return ((h2[r] - h2[l - 1] * prod2[r - l + 1] % mod) % mod + mod) % mod;}
int sl[N], sr[N], t[N]; char a[N];
int mn[N << 2];
#define ls(u) (u << 1)
#define rs(u) (u << 1 | 1)
void modify(int u, int l, int r, int pos, int k)
{
    chmin(mn[u], k);
    if(l == r) return ;
    int mid = l + r >> 1;
    if(pos <= mid) modify(ls(u), l, mid, pos, k);
    else modify(rs(u), mid + 1, r, pos, k);
}
int query(int u, int l, int r, int ql, int qr)
{
    if(ql <= l && r <= qr) return mn[u];
    int mid = l + r >> 1, res = INF;
    if(ql <= mid) chmin(res, query(ls(u), l, mid, ql, qr));
    if(qr > mid) chmin(res, query(rs(u), mid + 1, r, ql, qr));
    return res;
}
struct node {int l, r, id;} ;
int ans[N];
vector<node> vp[N];
vector<node> vq[N];
fish main()
{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n; cin >> n;
    int hh = n + 1, tt = n;
    for(int i = 1; i <= n; i ++)
    {
        char ch; cin >> ch;
        if('A' <= ch && ch <= 'Z') a[-- hh] = ch - 'A' + 'a';
        else a[++ tt] = ch;
        sl[i] = hh, sr[i] = tt;
    }
    prod[0] = prod2[0] = 1;
    for(int i = 1; i <= n; i ++) prod[i] = prod[i - 1] * base;
    for(int i = hh; i <= tt; i ++) h[i] = h[i - 1] * base + a[i];
    for(int i = 1; i <= n; i ++) prod2[i] = (prod2[i - 1] * base2) % mod;
    for(int i = hh; i <= tt; i ++) h2[i] = (h2[i - 1] * base2 % mod + a[i]) % mod;
    for(int i = 1; i <= n; i ++)
    {
        int l = i, r = n, res = i;
        while(l <= r)
        {
            int mid = l + r >> 1;
            int l1 = sl[mid], l2 = sl[mid] + i;
            int r1 = sr[mid] - i, r2 = sr[mid];
            if(get(l1, r1) == get(l2, r2) && get2(l1, r1) == get2(l2, r2)) l = mid + 1, res = mid;
            else r = mid - 1;
        }
        t[i] = res;
    }
    int m; cin >> m;
    for(int i = 1; i <= m; i ++) {int x; cin >> x; vp[t[x]].push_back({i, x});}
    memset(mn, 0x3f, sizeof mn);
    int k; cin >> k;
    for(int i = 1; i <= k; i ++) {int k, l, r; cin >> k >> l >> r; vq[k].push_back({l, r, i});}
    for(int i = n; i >= 1; i --)
    {
        for(auto v : vp[i]) modify(1, 1, m, v.l, v.r);
        for(auto v : vq[i]) {ans[v.id] = query(1, 1, m, v.l, v.r); if(ans[v.id] > i) ans[v.id] = -1;}
        // for(int j = 1; j <= m; j ++) cerr << query(1, 1, m, j, j) << " "; cerr << "\n";
    }
    for(int i = 1; i <= k; i ++) cout << (ans[i] == INF ? -1 : ans[i]) << "\n";
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 7ms
memory: 54980kb

input:

7
AABAAba
9
4 3 2 1 7 5 3 6 1
6
1 4 4
2 1 4
2 1 3
3 3 5
5 4 7
7 8 9

output:

1
1
2
-1
3
6

result:

ok 6 lines

Test #2:

score: 0
Accepted
time: 202ms
memory: 86588kb

input:

200000
BAbBbBabBBbbABbbaBbaaabaBBAbBbBAAAAABBaBaAAabBAAbABaaBABAabAAAbabbAaBABAbabbAAAbbbbabBBAbbBaabBAAAbBBBbBbbAbbbBabbBABaBAaAAAbBbaABabBAbAAbBbbAbAbBaabAbBBbaaaaBaBbbABBBaaabBaBABAbBabBbbAABBbaBAbaBAbAAABABAbaabbaAAaBAbAbAbBBbaaaAaBaaABBbBAAaAAAaaABbbaAbAaBbaAaaababbaBbaAAAAAAabbBaAabbbaBBAAaABb...

output:

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
61006
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
...

result:

ok 500000 lines

Test #3:

score: 0
Accepted
time: 277ms
memory: 84636kb

input:

10
baaAaAAaAA
500000
6 8 2 3 1 8 7 3 9 4 1 6 9 4 10 10 4 3 1 7 4 3 9 7 1 2 9 3 3 1 10 8 1 6 4 1 6 10 1 5 1 8 9 9 7 3 6 3 9 1 7 6 7 7 9 10 3 2 4 10 7 3 7 1 5 3 5 1 10 1 3 2 2 4 2 3 4 10 5 2 7 10 5 6 8 9 10 6 9 7 5 4 5 4 4 2 5 8 1 9 1 2 10 8 2 5 6 6 6 4 3 1 2 2 3 5 7 4 5 7 5 8 1 8 9 7 6 3 10 7 5 4 8 8...

output:

5
4
4
2
6
3
3
4
6
3
1
6
4
5
3
5
2
5
4
4
2
5
3
5
5
1
2
5
3
5
4
3
5
6
4
5
4
6
4
6
4
1
5
4
4
3
5
3
3
4
5
5
5
4
1
6
5
5
4
4
2
4
3
5
4
5
1
5
1
1
4
4
5
4
4
3
3
4
2
4
4
4
2
4
6
5
2
5
4
3
4
2
4
5
5
4
6
1
2
6
4
5
6
1
1
3
2
3
1
4
4
3
4
4
4
3
6
5
4
5
5
4
1
2
3
4
5
4
4
4
3
6
4
4
4
2
3
3
3
3
3
6
3
5
3
4
6
3
4
5
...

result:

ok 500000 lines

Test #4:

score: 0
Accepted
time: 366ms
memory: 84168kb

input:

500
ababbBbBabaaBAbabBbbBBAAABabBbBAAABbaBbBAAbabaBaAAaabAaABBBabababAAbaaAbbAAabAAbBbaabbBbaAAABaAaBbbBbabBAABBaabbAabbBabbbAbABaBAABaBbAaaBABBbBAAbbbBabbABABAaAaAAAbaAabBbBaaaaAAAAAabaBBAAABAbbabAaBAbAaaBBbABbBBbaaAaAaBBbaBbabBbBABbaaBbAaabBABaBBbAAaaBABBAaaABAbbaaAaBaAAbAbbbbbaabBabaBbaabaAbaBaaa...

output:

386
327
309
141
424
175
186
273
45
498
99
262
478
149
424
444
49
267
233
388
359
310
203
81
498
12
97
295
400
351
352
407
310
471
291
479
448
203
267
60
223
458
421
391
5
470
212
253
99
281
167
451
154
86
299
434
370
255
383
207
258
310
487
380
6
368
235
137
334
141
50
128
29
478
448
223
466
345
407...

result:

ok 500000 lines

Test #5:

score: 0
Accepted
time: 353ms
memory: 92196kb

input:

10000
BaBbAAaaaaBAbbbbbaBbaaAbaaaabAaaaAAbabBAbaaBABaaabaAbBBaBBABAbabBAbaaAAaAABABbbbABBaBBaABbbAAbBabaAbaBBaAbabaaAAAabAbAABAabBbBaBaAaAbbBAAABbbabAaABABaBbaAABBbbBAABbbbAaABaAaaABAbbbABAabbaAaaBbbbBaBBbAaaabbaBbaaAbabBabaBaAAAbBAabbBAbabAAbbBBBbBAAaBBbBBAbaaaAbBaaBAAbbaAbbbBAbaAaaAbBBAaBabBaaaBab...

output:

-1
5219
4322
2614
7302
1876
-1
5584
2861
3586
4821
6579
6706
1605
7878
886
9218
293
167
7298
5146
6860
2921
8263
4330
9578
7472
6086
5537
4890
8285
58
9733
-1
3157
262
9533
6943
8285
2837
451
6494
7918
8912
2187
9832
4487
2077
871
210
951
1761
6892
4304
6634
9572
9544
5744
4015
7418
7804
5928
3611
8...

result:

ok 500000 lines

Test #6:

score: 0
Accepted
time: 443ms
memory: 99840kb

input:

100000
aabAbBbaBAaabbbbbaAAABaaabbBaBAAaBabbBAbBbbBbbbaaaABaaBaBbBABBBbabBAABbabbAaaaBBaAAbABaBABAABbBAbBAAAbaBaabbAAABaBAaaaBBbBbaBabAbBBaaabaaaaBbBaAaAbAbbBaABaabBbBaAAaAaaBbbAbbaaBBbbbaAaAabaBaAaaBaAAbbBabBaBAbAaabAbbbAbaAbBbaABABAaBBABAaABBBBABAaBAbbbaBbaAABBaAabaAbaAaabAAAbbbaBBbBaaaaAaaAABbBaa...

output:

35335
42708
80231
-1
52892
27828
25395
21105
26112
55093
16568
16170
-1
73256
-1
82801
58592
52120
48659
-1
-1
-1
92581
-1
67746
9463
50384
69443
71368
-1
62536
83524
71293
88216
83685
45630
5450
969
3140
19286
79236
80564
33058
44088
24142
-1
40385
68116
-1
20399
78247
52636
37514
-1
54565
44272
75...

result:

ok 500000 lines

Test #7:

score: -100
Wrong Answer
time: 504ms
memory: 104912kb

input:

500000
AaAAaaAaaaAaaaaaAaAAAaaaaAAaAAAaaAAAaAaaaaAaAaaaAaAaAAaAAaAaaAaaAaAAAAAAAAAAAAaAaAAAaAaAAAAAaaaAaAAAaAaaaAaaAaaaaaaAaaaaAaAaaAAaAAaaAAAaAaaaaaaaAaAaAaAaaAAaaaAAaAaaAAAaaaaaaaAAaAAaAaaaaaAAaAaAaaAAaaaAAaaaAaAAaaaAaAaaAAAaaAAAaAaaaaaaaaaAaAaAaAAAaaAAAAaAaAAAAAAaAAAaAaaaaaaAAaAaaAAaAAAaaaAaAAaAA...

output:

243806
-1
-1
-1
292615
-1
-1
43384
255164
-1
-1
-1
-1
-1
-1
-1
-1
230079
-1
-1
-1
210028
-1
-1
93192
-1
-1
-1
-1
-1
-1
-1
281276
-1
494439
264308
207979
-1
-1
-1
-1
-1
-1
-1
-1
394555
-1
294865
-1
-1
-1
-1
-1
407843
-1
378537
-1
134129
122684
-1
-1
-1
-1
-1
-1
142146
-1
-1
11972
-1
-1
-1
-1
-1
-1
-1...

result:

wrong answer 1st lines differ - expected: '3', found: '243806'