CSES - APIO 2014

Submission details
Task:	Palindromes
Sender:	ArktinenKarpalo
Submission time:	2019-03-24 19:22:29 +0200
Language:	C++
Status:	READY
Result:	23

Feedback
group	verdict	score
#1	ACCEPTED	8
#2	ACCEPTED	15
#3	TIME LIMIT EXCEEDED	0
#4	TIME LIMIT EXCEEDED	0
#5	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#2	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#3	ACCEPTED	0.03 s	1, 2, 3, 4, 5	details
#4	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#5	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#6	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#7	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#8	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#9	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#10	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#11	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#12	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#13	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#14	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#15	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#16	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#17	ACCEPTED	0.03 s	1, 2, 3, 4, 5	details
#18	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#19	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#20	ACCEPTED	0.03 s	1, 2, 3, 4, 5	details
#21	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#22	ACCEPTED	0.03 s	1, 2, 3, 4, 5	details
#23	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#24	ACCEPTED	0.03 s	1, 2, 3, 4, 5	details
#25	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#26	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#27	ACCEPTED	0.04 s	1, 2, 3, 4, 5	details
#28	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#29	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#30	ACCEPTED	0.03 s	1, 2, 3, 4, 5	details
#31	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#32	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#33	ACCEPTED	0.06 s	2, 3, 4, 5	details
#34	ACCEPTED	0.09 s	2, 3, 4, 5	details
#35	ACCEPTED	0.02 s	2, 3, 4, 5	details
#36	ACCEPTED	0.10 s	2, 3, 4, 5	details
#37	ACCEPTED	0.03 s	2, 3, 4, 5	details
#38	ACCEPTED	0.02 s	2, 3, 4, 5	details
#39	ACCEPTED	0.11 s	2, 3, 4, 5	details
#40	ACCEPTED	0.06 s	2, 3, 4, 5	details
#41	ACCEPTED	0.10 s	2, 3, 4, 5	details
#42	ACCEPTED	0.02 s	2, 3, 4, 5	details
#43	ACCEPTED	0.03 s	2, 3, 4, 5	details
#44	ACCEPTED	0.11 s	2, 3, 4, 5	details
#45	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#46	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#47	ACCEPTED	0.02 s	3, 4, 5	details
#48	ACCEPTED	0.38 s	3, 4, 5	details
#49	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#50	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#51	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#52	ACCEPTED	0.07 s	3, 4, 5	details
#53	ACCEPTED	0.06 s	3, 4, 5	details
#54	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#55	TIME LIMIT EXCEEDED	--	4, 5	details
#56	TIME LIMIT EXCEEDED	--	4, 5	details
#57	ACCEPTED	0.21 s	4, 5	details
#58	TIME LIMIT EXCEEDED	--	4, 5	details
#59	TIME LIMIT EXCEEDED	--	4, 5	details
#60	TIME LIMIT EXCEEDED	--	4, 5	details
#61	TIME LIMIT EXCEEDED	--	4, 5	details
#62	ACCEPTED	0.23 s	4, 5	details
#63	TIME LIMIT EXCEEDED	--	4, 5	details
#64	TIME LIMIT EXCEEDED	--	4, 5	details
#65	TIME LIMIT EXCEEDED	--	5	details
#66	TIME LIMIT EXCEEDED	--	5	details
#67	ACCEPTED	0.17 s	5	details
#68	TIME LIMIT EXCEEDED	--	5	details
#69	TIME LIMIT EXCEEDED	--	5	details
#70	TIME LIMIT EXCEEDED	--	5	details
#71	TIME LIMIT EXCEEDED	--	5	details
#72	TIME LIMIT EXCEEDED	--	5	details
#73	TIME LIMIT EXCEEDED	--	5	details
#74	TIME LIMIT EXCEEDED	--	5	details
#75	TIME LIMIT EXCEEDED	--	5	details
#76	TIME LIMIT EXCEEDED	--	5	details

Compiler report

input/code.cpp: In function 'long long int q(int)':
input/code.cpp:48:5: warning: unused variable 'cnt' [-Wunused-variable]
  ll cnt = 0;
     ^~~
input/code.cpp: In function 'int main()':
input/code.cpp:78:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1; i<=s.size(); i++) {
               ~^~~~~~~~~~
input/code.cpp:87:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(i+1 <= s.size())
      ~~~~^~~~~~~~~~~
input/code.cpp:93:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1; i<=s.size(); i += 2) {
               ~^~~~~~~~~~
input/code.cpp:96:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(i+1 <= s.size())
      ~~~~^~~~~~~~~~~

Code

#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define ld long double
#define N (1<<18)
#define M 1000000007
#define P complex<long long>
#define X real()
#define Y imag()

using namespace std;

ll p[303030], h[303030][2], A, B, ans;
string s, sr;

inline ll hsh1(int a, int b) {
	return ((h[b][0]-(h[a-1][0]*p[b-a+1])%B)+B)%B;
}
inline ll hsh2(int a, int b) {
	a = s.size()-a+1;
	b = s.size()-b+1;
	swap(a, b);
	return ((h[b][1]-(h[a-1][1]*p[b-a+1])%B)+B)%B;
}
inline ll ph(int a, int len) {
	if(len%2 == 0) {
		ll h1 = hsh1(a, a+len/2-1);
		ll h2 = hsh2(a+len/2, a+len-1);
		if(h1 != h2)
			return -1;
		else
			return h1;
	} else {
		ll h1 = hsh1(a, a+(len+1)/2-1);
		ll h2 = hsh2(a+(len+1)/2-1, a+len-1);
		if(h1 != h2)
			return -1;
		else
			return h1;
	}
	return -2;
}
ll lm = 1e9;
ll q(int len) {
	if(len >= lm)
		return -6;
	ll ret = 0;
	ll cnt = 0;
	map<ll, ll> mp;
	ll ub = s.size()-len+1;
	ret = 0;
	for(int i=1; i<=ub; i++) {
		if(ans-ret*len >= len*(ub-i+1)) {
			return -5;
		}
		ll luku = ph(i, len);
		if(luku != -1)
			ret = max((mp[luku]++)+1, ret);
	}
	return ret*len;
}

int main() {
	cin.tie(0);
	cout.tie(0);
	ios_base::sync_with_stdio(0);
	srand(time(NULL));
	A = rand();
	B = M;
	cin >> s;
	if(s.size() == 1) {
		cout << 1;
		exit(0);
	}
	sr = s;
	reverse(sr.begin(), sr.end());
	p[0] = 1;
	for(int i=1; i<=s.size(); i++) {
		p[i] = (p[i-1]*A)%B;
		h[i][0] = (h[i-1][0]*A+s[i-1])%B;
		h[i][1] = (h[i-1][1]*A+sr[i-1])%B;
	}
	for(int j=0; j<1000; j++) {
		int i = rand()%s.size()+1;
		ll l1 = q(i);
		ll l2 = -3;
		if(i+1 <= s.size())
			l2 = q(i+1);
		if(l1 == l2 && l1 == 0)
			lm = min(lm, (ll)i);
		ans = max(max(ans, l1), l2);			
	}
	for(int i=1; i<=s.size(); i += 2) {
		ll l1 = q(i);
		ll l2 = -3;
		if(i+1 <= s.size())
			l2 = q(i+1);
		if(l1 == l2 && l1 == 0)
			lm = min(lm, (ll)i);
		ans = max(max(ans, l1), l2);			
	}
	cout << ans;
}

Test details

Test 1

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`abacaba` view save

correct output
`7` view save

user output
`7` view save

Test 2

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`www` view save

correct output
`4` view save

user output
`4` view save

Test 3

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`abacababa` view save

correct output
`9` view save

user output
`9` view save

Test 4

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`r` view save

correct output
`1` view save

user output
`1` view save

Test 5

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`xd` view save

correct output
`1` view save

user output
`1` view save

Test 6

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`dd` view save

correct output
`2` view save

user output
`2` view save

Test 7

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`opo` view save

correct output
`3` view save

user output
`3` view save

Test 8

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`opoo` view save

correct output
`3` view save

user output
`3` view save

Test 9

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`abacabadabacaba` view save

correct output
`15` view save

user output
`15` view save

Test 10

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`xxxxxyxxxxyxxxxx` view save

correct output
`24` view save

user output
`24` view save

Test 11

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`xxxyxxxyzzzabcdxxdcba` view save

correct output
`10` view save

user output
`10` view save

Test 12

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`qpppppppwowpppppq` view save

correct output
`24` view save

user output
`24` view save

Test 13

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`mqmwmemrmtymmmmmmmmqwertyeeeee...` view save

correct output
`25` view save

user output
`25` view save

Test 14

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`mqmwmmmmmemrmtymmmmmmmmqwertye...` view save

correct output
`28` view save

user output
`28` view save

Test 15

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`abcdefghijklmnopqrstuvwxyzz` view save

correct output
`2` view save

user output
`2` view save

Test 16

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`abcdefghijklmnopqrstuvwxyz` view save

correct output
`1` view save

user output
`1` view save

Test 17

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`apiodpdpdpdpdpgoodchallenge` view save

correct output
`15` view save

user output
`15` view save

Test 18

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`pdpdpdpxdpdpdxdpdpdx` view save

correct output
`18` view save

user output
`18` view save

Test 19

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`jejejejejejejejejejejejejejeje...` view save

correct output
`1176` view save

user output
`1176` view save

Test 20

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`wzwzwzwzwzwzwzwzwzwzwzwzwzwzwz...` view save

correct output
`1225` view save

user output
`1225` view save

Test 21

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`qsqsqsqsqsqsqianananananananan...` view save

correct output
`136` view save

user output
`136` view save

Test 22

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`hsoqhdnglglqqhqhqhqhqhqhqmyiyi...` view save

correct output
`45` view save

user output
`45` view save

Test 23

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`oooooooooooooooooooooooooooooo...` view save

correct output
`2500` view save

user output
`2500` view save

Test 24

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb...` view save

correct output
`380` view save

user output
`380` view save

Test 25

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`jjjjjjjjjjjjjjjjjjjjjjjjjjjjjj...` view save

correct output
`2304` view save

user output
`2304` view save

Test 26

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`gggggggggtoooooooooccwwwwwwwww...` view save

correct output
`110` view save

user output
`110` view save

Test 27

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`vlvivlvwvlvivlvkvlvivlvwvlvivl...` view save

correct output
`93` view save

user output
`93` view save

Test 28

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`nbnenbnjnbnenbnxnbnenbnjnbnenb...` view save

correct output
`729` view save

user output
`729` view save

Test 29

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`ydycydylydycydyodoycydylydycyd...` view save

correct output
`132` view save

user output
`132` view save

Test 30

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`dzydpxreexldgbslbouxllaizermiy...` view save

correct output
`7` view save

user output
`7` view save

Test 31

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`bpmerpingvjipwmenzzalhrsmrkmxv...` view save

correct output
`8` view save

user output
`8` view save

Test 32

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`abbabaabbaababbabaababbaabbaba...` view save

correct output
`64` view save

user output
`64` view save

Test 33

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`yhyhyhyhyhyhyhyhyhyhyhyhyhyhyh...` view save

correct output
`124251` view save

user output
`124251` view save

Test 34

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`nknknknknknknknknknknknknknknk...` view save

correct output
`38226` view save

user output
`38226` view save

Test 35

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`oooooooooooooooooooooooooooooo...` view save

correct output
`249500` view save

user output
`249500` view save

Test 36

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`ktktktktktktktktktktktktktktkt...` view save

correct output
`5778` view save

user output
`5778` view save

Test 37

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`gggggggggggggggggggggggggggggg...` view save

correct output
`247506` view save

user output
`247506` view save

Test 38

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`dddddddddddddddddddddddddddddd...` view save

correct output
`248004` view save

user output
`248004` view save

Test 39

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`tdtytdtxtdtytdtptdtytdtxtdtytd...` view save

correct output
`973` view save

user output
`973` view save

Test 40

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`xfxfxfxfxfxfxfxfxfxfxfxfxfxfxf...` view save

correct output
`123753` view save

user output
`123753` view save

Test 41

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...` view save

correct output
`2346` view save

user output
`2346` view save

Test 42

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`phxbzjihyzgshwcidlnkwkltarrnbv...` view save

correct output
`53` view save

user output
`53` view save

Test 43

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`nkevzhqlzcmqmbvtbojxbbtvgsxkbh...` view save

correct output
`52` view save

user output
`52` view save

Test 44

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
`abbabaabbaababbabaababbaabbaba...` view save

correct output
`976` view save

user output
`976` view save

Test 45

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`lnlnlnlnlnlnlnlnlnlnlnlnlnlnln...` view save

correct output
`12497500` view save

user output
(empty)

Test 46

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`qhqhqhqhqhqhqhqhqhqhqhqhqhqhqh...` view save

correct output
`6481800` view save

user output
(empty)

Test 47

Group: 3, 4, 5

Verdict: ACCEPTED

input
`aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...` view save

correct output
`25000000` view save

user output
`25000000` view save

Test 48

Group: 3, 4, 5

Verdict: ACCEPTED

input
`ffffffffffffffffffffffffffffff...` view save

correct output
`17816841` view save

user output
`17816841` view save

Test 49

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`xlxixlxpxlxixlxexlxixlxpxlxixl...` view save

correct output
`9945` view save

user output
(empty)

Test 50

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`elelelelelelelelelelelelelelel...` view save

correct output
`504100` view save

user output
(empty)

Test 51

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`afamafacafamafakafamafacafamaf...` view save

correct output
`1512930` view save

user output
(empty)

Test 52

Group: 3, 4, 5

Verdict: ACCEPTED

input
`hmdqbxxvfzcxpohuffioztrgqgxkhf...` view save

correct output
`413` view save

user output
`413` view save

Test 53

Group: 3, 4, 5

Verdict: ACCEPTED

input
`xznwghgyngrjehtffuiepaedcvdova...` view save

correct output
`428` view save

user output
`428` view save

Test 54

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`abbabaabbaababbabaababbaabbaba...` view save

correct output
`7232` view save

user output
(empty)

Test 55

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`bhbhbhbhbhbhbhbhbhbhbhbhbhbhbh...` view save

correct output
`1249925001` view save

user output
(empty)

Test 56

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`ususususususususususususususus...` view save

correct output
`396337935` view save

user output
(empty)

Test 57

Group: 4, 5

Verdict: ACCEPTED

input
`yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...` view save

correct output
`2500050000` view save

user output
`2500050000` view save

Test 58

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`llllllllllllllllllllllllllllll...` view save

correct output
`1016525689` view save

user output
(empty)

Test 59

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`kvkikvklkvkikvkgkvkikvklkvkikv...` view save

correct output
`99645` view save

user output
(empty)

Test 60

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`pqpzpqpupqpzpqpbpqpzpqpupqpzpq...` view save

correct output
`78569380` view save

user output
(empty)

Test 61

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`qqqqqqqqqqqqqqqqqqqqqqqqqqqqqq...` view save

correct output
`82810000` view save

user output
(empty)

Test 62

Group: 4, 5

Verdict: ACCEPTED

input
`vmlqjhjiwwzijupbzztlkcxbcdavxy...` view save

correct output
`3989` view save

user output
`3989` view save

Test 63

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`bcqqtvvdvexrttkgcbhmlhoasnlcek...` view save

correct output
`125529616` view save

user output
(empty)

Test 64

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`abbabaabbaababbabaababbaabbaba...` view save

correct output
`66664` view save

user output
(empty)

Test 65

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`bnbnbnbnbnbnbnbnbnbnbnbnbnbnbn...` view save

correct output
`11250075000` view save

user output
(empty)

Test 66

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`jzjzjzjzjzjzjzjzjzjzjzjzjzjzjz...` view save

correct output
`894243195` view save

user output
(empty)

Test 67

Group: 5

Verdict: ACCEPTED

input
`yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...` view save

correct output
`22499400004` view save

user output
`22499400004` view save

Test 68

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...` view save

correct output
`2958163321` view save

user output
(empty)

Test 69

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`xqxtxqxwxqxtxqxlxqxtxqxwxqxtxq...` view save

correct output
`298935` view save

user output
(empty)

Test 70

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`zwzwzwzwzwzwzwzwzwzwzwzwzwzwzw...` view save

correct output
`1210831209` view save

user output
(empty)

Test 71

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`hyhnhyhehyhnhyhlhyhnhyhehyhnhy...` view save

correct output
`303195156` view save

user output
(empty)

Test 72

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`hnrootvymrwweaxjusfltkgyqyeioo...` view save

correct output
`11804` view save

user output
(empty)

Test 73

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`yoljcehfgzraqykusrdwgqxdudzvep...` view save

correct output
`11813` view save

user output
(empty)

Test 74

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`abbabaabbaababbabaababbaabbaba...` view save

correct output
`262144` view save

user output
(empty)

Test 75

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`acbabcacbabcacbabcacbabcacbabc...` view save

correct output
`3750025000` view save

user output
(empty)

Test 76

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`uptvtysodzujkjcvrzkzydggrhjjli...` view save

correct output
`184796836` view save

user output
(empty)

APIO 2014

Palindromes

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