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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#782836 | #2018. 字符串匹配 | Link_Cut_Y# | 100 ✓ | 186ms | 21364kb | C++20 | 3.8kb | 2024-11-25 21:46:06 | 2024-11-25 21:46:07 |
Judging History
answer
#include <unordered_map>
#include <algorithm>
#include <iostream>
#include <cstring>
#include <cstdio>
#include <vector>
#include <bitset>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#define int long long
#define rep(i, a, b) for (int i = (a); i <= (b); i ++ )
#define rop(i, a, b) for (int i = (a); i < (b); i ++ )
#define dep(i, a, b) for (int i = (a); i >= (b); i -- )
#define dop(i, a, b) for (int i = (a); i > (b); i -- )
#define Darr(a, L, R) (cerr << #a "[" << L << " ~ " << R << "] = "; rep(x, L, R) cerr << a[x] << " "; cerr << '\n';)
#define IOS ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
#define D(x) (cerr << #x << " = " << x << '\n')
#define vit vector<int>::iterator
#define all(x) x.begin(), x.end()
#define min(a, b) (a < b ? a : b)
#define max(a, b) (a > b ? a : b)
#define chkmin(a, b) (a = min(a, b))
#define chkmax(a, b) (a = max(a, b))
#define sit set<int>::iterator
#define lowbit(x) (x & -x)
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define pb push_back
#define pi acos(-1)
#define gc getchar
#define pc putchar
#define db double
#define y second
#define x first
using namespace std;
typedef long long LL;
typedef unsigned long long ULL;
typedef pair<int, int> PII;
typedef pair<db, db> PDD;
const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};
const int mod = 998244353;
const int eps = 1e-9;
int T = 1;
void print(int x) { dep(i, 20, 0) pc(((x >> i) & 1) ? '1' : '0'); }
int qpow(int a, int b = mod - 2, int s = 1) { for (; b; b >>= 1, a = 1ll * a * a % mod) if (b & 1) s = 1ll * s * a % mod; return s; }
namespace IO {
void read() { return; }
void write(char ch) { pc(ch); return; }
void write() { return; }
template <typename T> void read(T &x) { x = 0; T w = 0; char ch = gc(); while (ch < '0' || ch > '9') w |= (ch == '-'), ch = gc(); while ('0' <= ch && ch <= '9') x = x * 10 + (ch ^ 48), ch = gc(); x = w ? -x : x; }
template <typename T> void print(T x) { if (!x) return; print<T>(x / 10), pc((x % 10) ^ '0'); }
template <typename T> void write(T x) { if (x > 0) print<T>(x); else if (x < 0) pc('-'), print<T>(-x); else pc('0'); }
template <typename T> void write(T x, char en) { write<T>(x), pc(en); }
template <typename T, typename ...T2> void read(T &s, T2 &...oth) { read(s); read(oth...); return; }
}; using namespace IO;
const int N = (1ll << 20) + 5;
const ULL BASE = 1331ull;
bool isj[30], disj[30];
int t, len, jcnt, djcnt[N], bit[30];
ULL h[N], ans;
char s[N];
void update(int x) {
++ x;
while (x <= 27) { ++ bit[x]; x += lowbit(x); }
}
int sum(int x, int s = 0) {
++ x;
while (x >= 1) {
s += bit[x];
x -= lowbit(x);
} return s;
}
int input(char* s) {
char c = getchar();
int i = 0;
while(!islower(c))
c = getchar();
while(islower(c)) {
s[ ++ i] = c;
c = getchar();
} return i;
}
void sub() {
len = input(s);
djcnt[len] = 1;
disj[s[len] - 'a'] = 1;
dep(i, len - 1, 1)
djcnt[i] = djcnt[i + 1] + ((disj[s[i] - 'a'] = !disj[s[i] - 'a']) == 1 ? 1 : -1);
h[1] = s[1] - 'a';
rep(i, 2, len) h[i] = h[i - 1] * BASE + s[i] - 'a';
ULL a = BASE*BASE;
update(1);
isj[s[1] - 'a'] = 1;
jcnt = 1;
rep(i, 2, len) { int x = 1;
for (int j = (i << 1); j <= len; j += i) {
if (h[j] - h[j - i]*a == h[i]) x ++ ;
else break;
}
if(x * i == len) ans += 1ull * bit[1] * ((x - 1) >> 1);
else ans += 1ull * sum(djcnt[x * i + 1]) * ((x + 1) >> 1);
ans += 1ULL*sum(djcnt[(x - 1) * i + 1]) * (x >> 1);
update((isj[s[i] - 'a'] = !isj[s[i] - 'a']) ? ++ jcnt : -- jcnt);
a *= BASE;
} printf("%llu\n", ans);
memset(disj, 0, sizeof disj);
memset(isj, 0, sizeof isj);
memset(bit, 0, sizeof bit);
ans = 0;
}
signed main() {
read(T); while (T -- ) sub();
return 0;
}
详细
Pretests
Final Tests
Test #1:
score: 4
Accepted
time: 0ms
memory: 3780kb
input:
5 jjjjjjjjjj lllllllcyg mgmgmgmgmg nycqtnycqt tdutduwyga
output:
30 39 30 20 33
result:
ok 5 tokens
Test #2:
score: 4
Accepted
time: 0ms
memory: 3840kb
input:
5 hhhhhhhhhh iiiiiiibkw dgdgdgdgdg ffffffffyf ffzffzwsnw
output:
30 39 30 44 36
result:
ok 5 tokens
Test #3:
score: 4
Accepted
time: 0ms
memory: 3896kb
input:
5 rrrrrrrrrr iiiiiiiwzr dididididi wwwwzqcjvv mbymbyhgpc
output:
30 39 30 28 33
result:
ok 5 tokens
Test #4:
score: 4
Accepted
time: 0ms
memory: 3848kb
input:
5 cccccccccc lllllllket tututututu ccbuxccbux pnppnpnlwl
output:
30 39 30 26 32
result:
ok 5 tokens
Test #5:
score: 4
Accepted
time: 0ms
memory: 3848kb
input:
5 uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuubgmwdgmgwvqvkbcvihsk qdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaa csqblzrdlnifzdoijirxfuuojcsqblzrdlnifzdoijirxfuuojcsqblzrdlnifzdoijirxfuuojcsqblzrdlnifzdoijirxf...
output:
6590 3585 2313 4359 4486
result:
ok 5 tokens
Test #6:
score: 4
Accepted
time: 0ms
memory: 3860kb
input:
5 llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllsuqtxhunfvotmxfqebwj rpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpia yyexplkvmxjuqzgrsmdaztszfyyexplkvmxjuqzgrsmdaztszfyyexplkvmxjuqzgrsmdaztszfyyexplkvmxjuqzgrsmdaz...
output:
6564 3560 2607 4517 4554
result:
ok 5 tokens
Test #7:
score: 4
Accepted
time: 0ms
memory: 3780kb
input:
5 nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnkvpnzxdkdhjucliujhhl quegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegqueg aicsiooegbozaohagssdehvjzaicsiooegbozaohagssdehvjzaicsiooegbozaohagssdehvjzaicsiooegbozaohagssde...
output:
6517 3560 2888 4965 4105
result:
ok 5 tokens
Test #8:
score: 4
Accepted
time: 0ms
memory: 3772kb
input:
5 ppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppphytnmeyelaxegcuzqkv joksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoks yqmqquzipayftwvwjnbqptuhwyqmqquzipayftwvwjnbqptuhwyqmqquzipayftwvwjnbqptuhwyqmqquzipayftwvwjnbqp...
output:
6604 3560 2738 4804 4832
result:
ok 5 tokens
Test #9:
score: 4
Accepted
time: 0ms
memory: 3860kb
input:
5 ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...
output:
690923 325466 274377 538726 519032
result:
ok 5 tokens
Test #10:
score: 4
Accepted
time: 0ms
memory: 3784kb
input:
5 ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...
output:
688611 325466 278014 483768 516890
result:
ok 5 tokens
Test #11:
score: 4
Accepted
time: 0ms
memory: 3868kb
input:
5 rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr...
output:
690572 325466 282653 400319 517082
result:
ok 5 tokens
Test #12:
score: 4
Accepted
time: 0ms
memory: 3852kb
input:
5 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj...
output:
689440 325466 278624 464740 501911
result:
ok 5 tokens
Test #13:
score: 4
Accepted
time: 4ms
memory: 4372kb
input:
5 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee...
output:
714173984 606072908 715934994 603558188 714547382
result:
ok 5 tokens
Test #14:
score: 4
Accepted
time: 2ms
memory: 4300kb
input:
5 vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv...
output:
713410981 603184777 713761452 714012718 603184777
result:
ok 5 tokens
Test #15:
score: 4
Accepted
time: 9ms
memory: 4992kb
input:
5 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee...
output:
3502305645 3504362490 3495279874 3496151003 2412446034
result:
ok 5 tokens
Test #16:
score: 4
Accepted
time: 8ms
memory: 4872kb
input:
5 cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...
output:
2419023179 3481792643 2416893029 3498851133 2414888013
result:
ok 5 tokens
Test #17:
score: 4
Accepted
time: 8ms
memory: 4948kb
input:
5 dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd...
output:
2414715183 2414053265 3498760311 2415418741 2412193453
result:
ok 5 tokens
Test #18:
score: 4
Accepted
time: 11ms
memory: 6004kb
input:
5 uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu...
output:
14044909130 13758605640 8021703699 4927122703 9489413350
result:
ok 5 tokens
Test #19:
score: 4
Accepted
time: 12ms
memory: 6036kb
input:
5 ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...
output:
14044820948 13781146461 7453935828 4673360128 9488558416
result:
ok 5 tokens
Test #20:
score: 4
Accepted
time: 14ms
memory: 5972kb
input:
5 rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr...
output:
14044830602 13805450160 7984918891 4873659736 9491430029
result:
ok 5 tokens
Test #21:
score: 4
Accepted
time: 15ms
memory: 5952kb
input:
5 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...
output:
14044823925 13789617860 7597752918 4978465106 9490927685
result:
ok 5 tokens
Test #22:
score: 4
Accepted
time: 138ms
memory: 21364kb
input:
5 ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...
output:
903628883069 902178522904 467114641327 305284235317 620652587747
result:
ok 5 tokens
Test #23:
score: 4
Accepted
time: 140ms
memory: 21232kb
input:
5 qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq...
output:
903629704237 901055755987 504315438243 304698187610 620653531389
result:
ok 5 tokens
Test #24:
score: 4
Accepted
time: 186ms
memory: 21264kb
input:
5 cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...
output:
904243010503 904253960505 904235088477 667900329073 904248230739
result:
ok 5 tokens
Test #25:
score: 4
Accepted
time: 186ms
memory: 21220kb
input:
5 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...
output:
904261912252 904260123920 904263261760 667900331468 904241569561
result:
ok 5 tokens
Extra Test:
score: 0
Extra Test Passed