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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#490841#6567. Repetitive String InventionSmallAoPigBigPiPig#AC ✓377ms30764kbC++231.8kb2024-07-25 16:32:392024-07-25 16:32:40

Judging History

你现在查看的是最新测评结果

  • [2024-07-25 16:32:40]
  • 评测
  • 测评结果:AC
  • 用时:377ms
  • 内存:30764kb
  • [2024-07-25 16:32:39]
  • 提交

answer

#include <bits/stdc++.h>
#define inf (0x7f7f7f7f)
#define Min(a, b) ((a) < (b) ? (a) : (b))
#define Max(a, b) ((a) > (b) ? (a) : (b))
typedef long long ll;
using namespace std;
template <class T>
inline void read(T &x){
	int ch = 0, f = 0; x = 0;
	for(; !isdigit(ch); ch = getchar()) if(ch == '-') f = 1;
	for(; isdigit(ch); ch = getchar()) x = x * 10 + ch - 48;
	if(f) x = -x;
}
const int mod1 = 1e9 + 7, mod2 = 1e9 + 9, N = 805;
char s[N];
ll ans;
int nxt[N], st[N*N], buf[N*N], nor[N*N], n, cnt;
#define id(x, y) (((x) - 1) * n + (y))
inline void gao(char* str, int m, int l){
	for(int i = 2, j = 0; i <= m; nxt[i++] = j){
		while(j && str[j+1] != str[i]) j = nxt[j];
		if(str[j+1] == str[i]) j++;
	}
	cnt = 0;
	for(int t = m; t; t = nxt[t]) if(t * 2 < m){
		ans += buf[nor[id(l + t, l + m - 1 - t)]];
	}
}
int main(){
	scanf("%s", s + 1);
	n = strlen(s + 1);
	map<pair<int, int>, int> fir;
	for(int i = 1; i <= n; i++)
		for(int j = i, hsh1 = 0, hsh2 = 0; j <= n; j++){
			hsh1 = (97ll * hsh1 + s[j]) % mod1;
			hsh2 = (83ll * hsh2 + s[j]) % mod2;
			pair<int, int> hsh = make_pair(hsh1, hsh2);
			if(!fir.count(hsh)) fir[hsh] = id(i, j);
			nor[id(i, j)] = fir[hsh];
		}
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= i - 1; j++) buf[nor[id(j, i - 1)]]++;
		for(int j = n; j >= i + 1; j--){
			for(int k = j + 1; k <= n; k++) buf[nor[id(j + 1, k)]]++;
			gao(s + i - 1, j - i + 1, i);
		}
		for(int j  = n; j >= i + 1; j--)
			for(int k = j + 1; k <= n; k++) buf[nor[id(j + 1, k)]]--;
	}
	for(int i = 1; i <= n * n; i++) buf[i] = 0;
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= i - 1; j++) buf[nor[id(j, i - 1)]]++;
		for(int j = i; j <= n; j++){
			ans += buf[nor[id(i, j)]];
			//cout << i << " " << j << " " << buf[nor[id(i, j)]] << endl;
		}
	}
	cout << ans << endl;
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3720kb

input:

aaaa

output:

9

result:

ok single line: '9'

Test #2:

score: 0
Accepted
time: 1ms
memory: 5732kb

input:

axabxbcxcdxd

output:

22

result:

ok single line: '22'

Test #3:

score: 0
Accepted
time: 41ms
memory: 6640kb

input:

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...

output:

536006700

result:

ok single line: '536006700'

Test #4:

score: 0
Accepted
time: 37ms
memory: 4980kb

input:

abababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab...

output:

136016600

result:

ok single line: '136016600'

Test #5:

score: 0
Accepted
time: 1ms
memory: 5912kb

input:

a

output:

0

result:

ok single line: '0'

Test #6:

score: 0
Accepted
time: 0ms
memory: 5760kb

input:

ab

output:

0

result:

ok single line: '0'

Test #7:

score: 0
Accepted
time: 1ms
memory: 5728kb

input:

aa

output:

1

result:

ok single line: '1'

Test #8:

score: 0
Accepted
time: 55ms
memory: 11100kb

input:

bbbbbrrrrbrbrrbrbrbrbbrrbbbbrrbrrbrbrbrrrrrbbbrrbrrbbrrrbbbbbrrrrbbrbbrrrrrbbrrrbbbbbrbbrbbbrbrrbrrrrrrrrbbrbrbbrrrrrrbbbbbrbrrrrbrrbbrbrrrrrbrbrbbrbrrbrrrrbrbbrbrrbrrbbbbrrrrrbrbbrbbrrrrrbrbrbrbbbrrrrrrrbbbbbbrrbrbrrrrrbbbrbrrrrbbbbrrbrrbbbbbbbrbbbbrrrbrbbbrrrrrrbbbbbrbrrbbbbrbrbrrbbrrrbbbrbbbrbbrr...

output:

209015

result:

ok single line: '209015'

Test #9:

score: 0
Accepted
time: 40ms
memory: 13056kb

input:

fkrryithikkpurfezufbthxxrtejxpprhrhurrfziigzgajipayrefarpxuggehkiggeppfjghuyejuagkjpiezhmfizgphkkfffifihrimuhgtgzykfupbprjyrbpbimapjmbkrhubzhgfhhpkrxgjgmkheiiugiyerggyukyfuuxgrehgayafzuxymxxabygpapbjxipkxgbxhzpekypfghaumukguaipphiyhzimzfmpmzahbmaagytygyekzhktbbheetxrbipgytppgbhkpimrybkbeirhrzytfehba...

output:

5696

result:

ok single line: '5696'

Test #10:

score: 0
Accepted
time: 47ms
memory: 13572kb

input:

ayeaecauuueerrcsyyyuayauarecyrruueeucacrrcesercyeasuscucscruaaresaeruurreeursssuyraeysurecacueuacycacsyuyeyusssassaasyuarrcecueayacucuyyrsasrycyrrcececyuccecyreyeccuesaasceasussaraeruyarcauarcecacrucryryseysauaucyaeyurueurerrccrayyyycccsuaaesrecurucerrascyacucucryarycayeesyysusserarseyrauyrryeacauec...

output:

18249

result:

ok single line: '18249'

Test #11:

score: 0
Accepted
time: 54ms
memory: 9284kb

input:

lclccclcclllccccclcclclcccclllllcclcclclcclllllcllccclclclccclccllcclccccccllccclclcccclclcclclccclllllccclcccccclllllccllcclclllllllccclllcllllccccccccllccclllccclcllllllllcclccclccccllccllclclcclcllcllccclcllclllclclllclllcllcclclllccclcclclllclllllllcclllcccccllcllcllcclcclcllccclclllclclcccllcll...

output:

207835

result:

ok single line: '207835'

Test #12:

score: 0
Accepted
time: 49ms
memory: 11276kb

input:

lygxvkxeeiixzzpamosqadacrnyierrztikxheupgbkfkstyjrmyvhmjrhfhwfdeyhzuyhhbczbjgcnzouiufetegmnvxoeqxiykkwysdnnmdjtpwwzpdaqzmwmapbqbdjsdoxmpbvseyfrrqpgteehoxqsjszykfqgdmcgwikavcnhoubonianpecjtumdutpxwioqtkystzndrbtlfircdsnsxraoitswvhjirqxxjrnjjsldbmdcjngecdaotrgxvikyfyjlbbeketxrxeknuxmxehvabyyyxnrchukft...

output:

3442

result:

ok single line: '3442'

Test #13:

score: 0
Accepted
time: 51ms
memory: 11228kb

input:

yjjxyyxjxyjjyxyyjxyyjxjxjxjyxyxxjxjjyxxxxxjjxyxxyjjxxjyyjjjyyyxjyjxjxyjjyjxjyjyyxjyjyjyyxxyyxxxjjxxxyyyjjjyxjyxjxjyjxjyyyjjxxxjxxjxjjjyjxjyjyyxjyjyjyyxxyyxxxjjxxxyyyjjjyxjyxjxjyjxjyyyjjxxxjxxjxjyjjxyyxjxyjjyxyyjxyyjxjxjxjyxyxxjxjjyxxxxxjjxyxxyjjxxjyyjjjyyyxjyjxjxyjjxyyxjxyjjyxyyjxyyjxjxjxjyxyxxjxjjy...

output:

103111

result:

ok single line: '103111'

Test #14:

score: 0
Accepted
time: 54ms
memory: 11124kb

input:

lhllhlhlhllhlhllhhlhhhhllhhlhhhhllhhlhhhhllhllhhllhhlhhhhllhllhhhhhllhhlhhhhhlhllhlhhlhllhlhhhhllhllhhhllhhlhhhhhhlhllhlhllhhlhhhhhhlhllhlhhllhllllhllhhhlhllhlhhhllhhlhhhhhhllhhlhhhhlhllhlhllhllhhhhllhllllhllllhllllhlllhllhlhllhhlhhhhhhhllhlllhllhlhllhhlhhhhllhllllhlllhllhlhllhllhhhhhhhllhhlhhhhllhh...

output:

298186

result:

ok single line: '298186'

Test #15:

score: 0
Accepted
time: 55ms
memory: 9488kb

input:

blbllblbblbllblbblbllblblblbblllblbbllblbllblbblbllblbblbllblblblbbllblbllblblblbbllblbllblbblbllblblblbbllblbllblblblbbllblbllblbblbllblbblbllblblblbblllblbblllblbblllblbbllblbllblblblbblllblbblllblbbllblbllblblblbblllblbbllblbllblbblbllblbblbllblblblbblllblbblllblbbllblbllblblblbblllblbblllblbblll...

output:

510790

result:

ok single line: '510790'

Test #16:

score: 0
Accepted
time: 48ms
memory: 10244kb

input:

aqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaq...

output:

584698

result:

ok single line: '584698'

Test #17:

score: 0
Accepted
time: 311ms
memory: 9384kb

input:

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...

output:

8554693400

result:

ok single line: '8554693400'

Test #18:

score: 0
Accepted
time: 258ms
memory: 10492kb

input:

abababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab...

output:

2154733200

result:

ok single line: '2154733200'

Test #19:

score: 0
Accepted
time: 377ms
memory: 29652kb

input:

abbbabbaaababbaabaaababaababbaabbbbbaaababbbbababbaabababaabbbaaabbababbababbabbbaabbabaaabaaabbbabbabbabaaaabbabbbababaabaabbaaaabbbbbbbababaabaababaaaaaabbbbbbbaaabaabaababbabaabababbbbabbabbaabbbaaababbbbabababababaabbbbbbbbbabbbbababaaabbbaababbbbaabbbbaabbaababbaaaababbabbabbabbabbaaaaaabbbbaab...

output:

930632

result:

ok single line: '930632'

Test #20:

score: 0
Accepted
time: 363ms
memory: 28780kb

input:

acbaabcbabcccccbbaaacaaacbacaabccbbccabbbaaacacbaccbaaaaaacbbcbabacaabaaabcbccbbccbaaabacacccacccbabcbbcaaabbaacaaabaabcaaccbacacbcbcacbbbbaacbbcccbbccabcacaaabcbbbbacbcbcaabbbccaabbcbacbcaccabbbcccccbcbbbabcabcacbccccacabccbccbccaaccbbbbbccbabbbcaabbaacaccacbcbaabbbbabbccbcacacbbcacbbccbacbbbcacccc...

output:

304687

result:

ok single line: '304687'

Test #21:

score: 0
Accepted
time: 296ms
memory: 30764kb

input:

gvqghqqtyruttomyqtjlimqxhhoiboxzggiduzwyaagmtvvogqwcfsgvnvzncgmhtpjtmnqekqyhzyvvnfofasxkcvrhlydmpfulmeugpayixcixaijfmkvhhbgikpyjlmvzrzbkhmtymjfkqzwafvimebzixveouiuwlkljnilpzdvrcygbtdsimysonrpolsunmdeqgatgudbkuihzgkqgucfczlhytrshtdhlvekmhnjllqfpkjwwujiifikmfvcpijojmnkjivvmbuweauqofpxnazdyisttwabrofjz...

output:

13605

result:

ok single line: '13605'

Test #22:

score: 0
Accepted
time: 222ms
memory: 11536kb

input:

abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmn...

output:

14989915

result:

ok single line: '14989915'

Test #23:

score: 0
Accepted
time: 332ms
memory: 24120kb

input:

aqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaq...

output:

2798983

result:

ok single line: '2798983'