CSES - APIO 2014

CSES - APIO 2014 - Results

Submission details
Task:	Palindromes
Sender:	ArktinenKarpalo
Submission time:	2019-03-24 18:53:58 +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	0.02 s	1, 2, 3, 4, 5	details
#2	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#3	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#4	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#5	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#6	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#7	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#8	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#9	ACCEPTED	0.01 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	0.03 s	1, 2, 3, 4, 5	details
#16	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#17	ACCEPTED	0.02 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	0.02 s	1, 2, 3, 4, 5	details
#21	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#22	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#23	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#24	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#25	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#26	ACCEPTED	0.03 s	1, 2, 3, 4, 5	details
#27	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#28	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#29	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#30	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#31	ACCEPTED	0.01 s	1, 2, 3, 4, 5	details
#32	ACCEPTED	0.03 s	1, 2, 3, 4, 5	details
#33	ACCEPTED	0.03 s	2, 3, 4, 5	details
#34	ACCEPTED	0.05 s	2, 3, 4, 5	details
#35	ACCEPTED	0.03 s	2, 3, 4, 5	details
#36	ACCEPTED	0.05 s	2, 3, 4, 5	details
#37	ACCEPTED	0.03 s	2, 3, 4, 5	details
#38	ACCEPTED	0.03 s	2, 3, 4, 5	details
#39	ACCEPTED	0.05 s	2, 3, 4, 5	details
#40	ACCEPTED	0.04 s	2, 3, 4, 5	details
#41	ACCEPTED	0.06 s	2, 3, 4, 5	details
#42	ACCEPTED	0.05 s	2, 3, 4, 5	details
#43	ACCEPTED	0.04 s	2, 3, 4, 5	details
#44	ACCEPTED	0.06 s	2, 3, 4, 5	details
#45	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#46	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#47	ACCEPTED	0.76 s	3, 4, 5	details
#48	TIME LIMIT EXCEEDED	--	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	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#53	TIME LIMIT EXCEEDED	--	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	TIME LIMIT EXCEEDED	--	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	TIME LIMIT EXCEEDED	--	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	TIME LIMIT EXCEEDED	--	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 'int main()':
input/code.cpp:69:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1; i<=s.size(); i++) {
               ~^~~~~~~~~~

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;

ll hsh1(int a, int b) {
	return ((h[b][0]-(h[a-1][0]*p[b-a+1])%B)+B)%B;
}
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;
}
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 q(int len) {
	ll ret = 0;
	map<ll, ll> mp;
	ll ub = s.size()-len+1;
	for(int i=1; i<=ub; i++) {
		if(ans-ret*len > len*(ub-i+1)) {
			break;
		}
		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;
	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 i=s.size(); i>=1; i--)
		ans = max(ans, q(i));
	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: TIME LIMIT EXCEEDED

input
`ffffffffffffffffffffffffffffff...` view save

correct output
`17816841` view save

user output
(empty)

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: TIME LIMIT EXCEEDED

input
`hmdqbxxvfzcxpohuffioztrgqgxkhf...` view save

correct output
`413` view save

user output
(empty)

Test 53

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

input
`xznwghgyngrjehtffuiepaedcvdova...` view save

correct output
`428` view save

user output
(empty)

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: TIME LIMIT EXCEEDED

input
`yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...` view save

correct output
`2500050000` view save

user output
(empty)

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: TIME LIMIT EXCEEDED

input
`vmlqjhjiwwzijupbzztlkcxbcdavxy...` view save

correct output
`3989` view save

user output
(empty)

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: TIME LIMIT EXCEEDED

input
`yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...` view save

correct output
`22499400004` view save

user output
(empty)

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

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Test 41

Test 42

Test 43

Test 44

Test 45

Test 46

Test 47

Test 48

Test 49

Test 50

Test 51

Test 52

Test 53

Test 54

Test 55

Test 56

Test 57

Test 58

Test 59

Test 60

Test 61

Test 62

Test 63

Test 64

Test 65

Test 66

Test 67

Test 68

Test 69

Test 70

Test 71

Test 72

Test 73

Test 74

Test 75