QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#68279 | #3293. 优秀的拆分 | Lenstar | 100 ✓ | 98ms | 21988kb | C++14 | 3.5kb | 2022-12-15 15:49:16 | 2022-12-15 15:49:19 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define N 300010
inline int read() {
int x = 0;
char ch = getchar();
while (!isdigit(ch))
ch = getchar();
while (isdigit(ch))
x = x * 10 + ch - '0', ch = getchar();
return x;
}
struct SuffixArray {
char s[N];
int a[N], b[N], sa[N], tax[N], hgt[N], Log[N], f[21][N];
inline void sort(int *a, int *b, int n, int m) {
for (int i = 1; i <= m; i++)
tax[i] = 0;
for (int i = 1; i <= n; i++)
tax[a[i]]++;
for (int i = 1; i <= m; i++)
tax[i] += tax[i - 1];
for (int i = n; i >= 1; i--)
sa[tax[a[b[i]]]--] = b[i];
}
inline int cmp(int *f, int x, int y, int k) {
return f[x] == f[y] && f[x + k] == f[y + k];
}
inline void build(char *s, int n) {
int m = 0;
memset(sa, 0, sizeof(sa));
memset(a, 0, sizeof(a));
memset(b, 0, sizeof(b));
memset(tax, 0, sizeof(tax));
memset(hgt, 0, sizeof(hgt));
for (int i = 1; i <= n; i++)
m = max(m, a[i] = s[i] - '0'), b[i] = i;
sort(a, b, n, m);
for (int p = 0, j = 1; p < n; j <<= 1, m = p) {
p = 0;
for (int i = 1; i <= j; i++)
b[++p] = n - j + i;
for (int i = 1; i <= n; i++)
if (sa[i] > j)
b[++p] = sa[i] - j;
sort(a, b, n, m), swap(a, b), a[sa[1]] = p = 1;
for (int i = 2; i <= n; i++)
a[sa[i]] = cmp(b, sa[i], sa[i - 1], j) ? p : ++p;
// printf("%d\n",p);
}
// for (int i=1;i<=n;i++) printf("%d ",sa[i]);
for (int i = 1, j = 0; i <= n; i++) {
if (j)
j--;
while (s[i + j] == s[sa[a[i] - 1] + j])
j++;
hgt[a[i]] = j;
}
// for (int i=1;i<=n;i++) printf("%d ",a[i]);puts("");
buildST(n);
}
inline void buildST(int n) {
Log[0] = -1;
for (int i = 1; i <= n; i++)
f[0][i] = hgt[i], Log[i] = Log[i >> 1] + 1;
for (int j = 1; j <= Log[n]; j++)
for (int i = 1; i + (1 << j) - 1 <= n; i++)
f[j][i] = min(f[j - 1][i], f[j - 1][i + (1 << j - 1)]);
}
inline int ask(int l, int r) {
int x = min(a[l], a[r]) + 1, y = max(a[l], a[r]), w = Log[y - x + 1];
return min(f[w][x], f[w][y - (1 << w) + 1]);
}
} A, B;
char s[N];
int f[N], g[N];
inline void update(int *f, int l, int r) {
f[l]++, f[r]--;
}
int main() {
int T = read();
while (T--) {
scanf("%s", s + 1);
int n = strlen(s + 1);
A.build(s, n), reverse(s + 1, s + n + 1), B.build(s, n);
memset(f, 0, sizeof(f)), memset(g, 0, sizeof(g));
for (int len = 1; len <= n / 2; len++) {
for (int i = len, j = len << 1; j <= n; i += len, j += len) {
int lcp = min(A.ask(i, j), len), lcs = min(B.ask(n - i + 2, n - j + 2), len - 1);
int t = lcp + lcs - len + 1;
if (t > 0)
update(g, i - lcs, i - lcs + t), update(f, j + lcp - t, j + lcp);
}
}
long long ans = 0;
for (int i = 1; i <= n; i++)
f[i] += f[i - 1], g[i] += g[i - 1];
for (int i = 1; i <= n; i++)
ans += 1LL * f[i] * g[i + 1];
printf("%lld\n", ans);
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 5
Accepted
time: 32ms
memory: 18392kb
input:
10 wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk...
output:
462056 140600 875978 575960 811035 299536 173880 414090 227128 924490
result:
ok 10 numbers
Test #2:
score: 5
Accepted
time: 24ms
memory: 18460kb
input:
10 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq...
output:
369564 513590 285760 308945 408312 190568 180441 328350 437635 1091574
result:
ok 10 numbers
Test #3:
score: 5
Accepted
time: 39ms
memory: 18256kb
input:
10 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk...
output:
92601930 126763350 233408728 111659395 147774025 41791750 62056280 198982282 172593608 298613460
result:
ok 10 numbers
Test #4:
score: 5
Accepted
time: 31ms
memory: 18368kb
input:
10 nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn...
output:
241383298 63369600 53220335 75846485 53073182 47276061 287600152 128609208 205431400 71461299
result:
ok 10 numbers
Test #5:
score: 5
Accepted
time: 15ms
memory: 18428kb
input:
10 nnnnnnnnnn hzhzhzhzhz zezezezeze ndndndndnd zvzvzvzvzv bbbbbbbbbb sgsgsgsgsg fgfgfgfgfg hxhxhxhxhx fafafafafa
output:
30 3 3 3 3 30 3 3 3 3
result:
ok 10 numbers
Test #6:
score: 5
Accepted
time: 11ms
memory: 18160kb
input:
10 xxxxxxxxxx wtwtwtwtwt sososososo xgxgxgxgxg lblblblblb rororororo qfqfqfqfqf qjqjqjqjqj upupupupup nynynynyny
output:
30 3 3 3 3 3 3 3 3 3
result:
ok 10 numbers
Test #7:
score: 5
Accepted
time: 18ms
memory: 18344kb
input:
10 jjjjjjjjjjjjjjjjjjjj tgtgtgtgtg mcomcomcomco wthwthwthwth aaitaaitaaitaait pvaompvaompvaompvaom ahahahahah jwxmjwxmjwxmjwxm pdfpdfpdfpdf oiyfoiyfoiyfoiyf
output:
285 3 1 1 5 1 3 1 1 1
result:
ok 10 numbers
Test #8:
score: 5
Accepted
time: 16ms
memory: 18228kb
input:
10 iiiiiiiiiiiiiiiii scscscscscscsc bsobsobsobsobso rppyrppyrppyrppy xhnxhnxhnxhn jfbjfbjfbjfb tqtqtqtqtq cdocdocdocdocdo imgimgimgimg zxzxzxzxzx
output:
168 13 4 5 1 1 3 4 1 3
result:
ok 10 numbers
Test #9:
score: 5
Accepted
time: 15ms
memory: 18176kb
input:
10 sssssssssssssssssssss wawawawawawawawa xlexlexlexlexlexlexle cwqfcwqfcwqfcwqfcwqfcwqfcwqf dappidappidappidappidappi biwtbbiwtbbiwtbbiwtb ipdbipdbipdbipdb oyqjoyqjoyqjoyqj miqozmiqozmiqozmiqoz ofqgofqgofqgofqg
output:
330 22 18 23 14 3 1 1 1 1
result:
ok 10 numbers
Test #10:
score: 5
Accepted
time: 17ms
memory: 18168kb
input:
10 zzzzzzzzzzzzzzzzzzzzzzzzzzz icicicicicicicicicicic saasaasaasaasaasaasaa znunznunznunznunznun ttfhhttfhhttfhhttfhhttfhh fqxqblfqxqblfqxqblfqxqblfqxqbl xxpruxxpruxxpruxxpru mpheqsmpheqsmpheqsmpheqs ptvbemqptvbemqptvbemqptvbemq nxykqknxykqknxykqknxykqk
output:
728 70 36 5 26 7 5 1 1 1
result:
ok 10 numbers
Test #11:
score: 5
Accepted
time: 15ms
memory: 18236kb
input:
10 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj ibibibibibibibibibibibibibibibibibibibibibibibib xinxinxinxinxinxinxinxinxinxinxin ivlwivlwivlwivlwivlwivlw cxrvucxrvucxrvucxrvucxrvucxrvucxrvucxrvucxrvu jzqfmgjzqfmgjzqfmgjzqfmgjzqfmg nqctlysnqctlysnqctlysnqctlysnqctlysnqctlysnqctlys kuizuntnkuizuntnkuizuntnkuizu...
output:
1240 946 100 11 76 7 38 9 18 1
result:
ok 10 numbers
Test #12:
score: 5
Accepted
time: 26ms
memory: 18288kb
input:
10 vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv dvdvdvdvdvdvdvdvdvdvdvdvdv jhyjhyjhyjhyjhyjhyjhyjhyjhy dkbjdkbjdkbjdkbjdkbjdkbjdkbjdkbj ezlbtezlbtezlbtezlbtezlbtezlbtezlbtezlbt efwduoefwduoefwduoefwduoefwduoefwduoefwduo eqgdlgxeqgdlgxeqgdlgxeqgdlgxeqgdlgxeqgdlgx mwuoqleamwuoqleamwuoqleamwuoqlea gwcbhodfpgwcb...
output:
1632 125 48 38 46 33 17 1 1 5
result:
ok 10 numbers
Test #13:
score: 5
Accepted
time: 23ms
memory: 18060kb
input:
10 vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv xwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxw rslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrsl iimeiimeiimeiimeiimeiimeiimeiimeiimeiimeiimeiime...
output:
25585 6391 1386 1014 876 567 62 118 33 86
result:
ok 10 numbers
Test #14:
score: 5
Accepted
time: 20ms
memory: 18304kb
input:
10 rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr ozozozozozozozozozozozozozozozozozozozozozozozozozozozozozozozoz ysvysvysvysvysvysvysvysvysvysvysvysvysvysvysvysvysvysv ipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbd x...
output:
19019 2360 540 1826 110 7 511 118 132 53
result:
ok 10 numbers
Test #15:
score: 5
Accepted
time: 21ms
memory: 18220kb
input:
10 ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss vzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvz yzkyzkyzkyzkyzk...
output:
155155 18445 7600 13475 3328 72 114 37 17 6
result:
ok 10 numbers
Test #16:
score: 5
Accepted
time: 29ms
memory: 18328kb
input:
10 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii bxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbx...
output:
281295 48503 26100 13475 20516 80 72 59 21 26
result:
ok 10 numbers
Test #17:
score: 5
Accepted
time: 25ms
memory: 18340kb
input:
10 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii...
output:
1391040 981179 345415 50677 52576 227 28 413 144 50
result:
ok 10 numbers
Test #18:
score: 5
Accepted
time: 28ms
memory: 18292kb
input:
10 fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff...
output:
38263590 33623065 4070400 510708 624588 2102 1074 299 408 1538
result:
ok 10 numbers
Test #19:
score: 5
Accepted
time: 34ms
memory: 18488kb
input:
10 qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq...
output:
245030555 46877978 4884100 14318590 12858978 5063 5381 7598 4729 5228
result:
ok 10 numbers
Test #20:
score: 5
Accepted
time: 98ms
memory: 21988kb
input:
10 yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...
output:
563349754956 161455324997 76621205738 70150901846 40842068960 6056659 2820346 3357795 2628223 10884
result:
ok 10 numbers
Extra Test:
score: 0
Extra Test Passed