CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:a256
Submission time:2024-10-28 02:33:19 +0200
Language:C++ (C++11)
Status:READY
Result:33
Feedback
groupverdictscore
#1ACCEPTED4
#2ACCEPTED6
#3ACCEPTED10
#4ACCEPTED13
#50
#60
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3, 4, 5, 6details
#2ACCEPTED0.01 s1, 2, 3, 4, 5, 6details
#3ACCEPTED0.01 s1, 2, 3, 4, 5, 6details
#4ACCEPTED0.01 s1, 2, 3, 4, 5, 6details
#5ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#6ACCEPTED0.01 s2, 3, 4, 5, 6details
#7ACCEPTED0.01 s2, 3, 4, 5, 6details
#8ACCEPTED0.01 s2, 3, 4, 5, 6details
#9ACCEPTED0.01 s2, 3, 4, 5, 6details
#10ACCEPTED0.02 s3, 4, 5, 6details
#11ACCEPTED0.02 s3, 4, 5, 6details
#12ACCEPTED0.02 s3, 4, 5, 6details
#13ACCEPTED0.01 s3, 4, 5, 6details
#14ACCEPTED0.14 s4, 5, 6details
#15ACCEPTED0.17 s4, 5, 6details
#16ACCEPTED0.13 s4, 5, 6details
#17ACCEPTED0.11 s4, 5, 6details
#18--5, 6details
#19--5, 6details
#20--5, 6details
#21ACCEPTED0.99 s5, 6details
#22--6details
#23--6details
#24--6details
#25--6details

Code

#include<bits/stdc++.h>
using namespace std;
#define ll long long

#define N 501
ll sm[26][N][N],r;
int n,C[26];
string s[N];

static int sum(int c,int d,int l,int u,int r){
	int s=sm[c][u][r];
	s-=sm[c][d-1][r];
	s-=sm[c][u][l-1];
	s+=sm[c][d-1][l-1];
	return s;
}

int tmi(int i,int j,int y,int x){
	int cc[26]={0};
	for(int c=0;c<26;++c){
		cc[c]=sum(c,y,x,i,j);
	}
	int t=1;
	for(int c=0;c<26;++c){
		if(C[c]&&!cc[c]){
			t=0;
			break;
		}
	}
	return t;
}

int main(){
	cin.tie(0)->sync_with_stdio(0);
	cin>>n;
	for(int i=0;i<n;++i) cin>>s[i];
	for(int i=0;i<n;++i){
		for(int e:s[i]) C[e-'A']=1;
	}
	for(int c=0;c<26;++c){
		for(int i=1;i<=n;++i){
			for(int j=1;j<=n;++j){
				sm[c][i][j]=sm[c][i-1][j]+sm[c][i][j-1]-sm[c][i-1][j-1]+(s[i-1][j-1]-'A'==c);
			}
		}
	}
	for(int j=1;j<=n;++j){
		for(int x=1;x<=j;++x){
			int i,y=1;
			for(i=1;i<=n;++i){
				if(tmi(i,j,y,x)) break;
			}
			for(;i<=n;++i){
				while(y+1<=i&&tmi(i,j,y+1,x)) ++y;
				r+=y;
			}
		}
	}
	cout<<r<<'\n';
}

Test details

Test 1

Group: 1, 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
10
TNCTNPNTPC
NPPNTNTPTP
NTNTTCNTCT
NPCPNPPNTT
...

correct output
2035

user output
2035

Test 2

Group: 1, 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
10
NFWQLWNWYS
DZOQJVXFPJ
CNHXPXMCQD
QRTBVNLTQC
...

correct output
9

user output
9

Test 3

Group: 1, 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
10
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
...

correct output
3025

user output
3025

Test 4

Group: 1, 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
10
FFFFFFFFFF
FFFFFCFFFF
FFFFFFJFFF
FFFFFFFFFF
...

correct output
12

user output
12

Test 5

Group: 1, 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
1
X

correct output
1

user output
1

Test 6

Group: 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
20
BBCBUBOUOBBCUUBBCOUO
BOUCOOCUBCOOOCOBOCUO
UCCUUUOBCOCBCBUBUCOO
BUOBUCUCUOOBCOOUBUOO
...

correct output
38724

user output
38724

Test 7

Group: 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
20
CBGLSHGZHYZDWBNDBJUG
SMUXOJQYPXZDTMJUIWOJ
XIDSTNBGHKRKOVUVMINB
MTQGCFRUHQKALXRNCQGS
...

correct output
8334

user output
8334

Test 8

Group: 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
20
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
...

correct output
44100

user output
44100

Test 9

Group: 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
20
AAAAAAAAXAAAAAAAAAAA
AAAWAAAAAAAAAAAAAOAA
AAAAAAAAAAAAAAAAAPAA
AAAAAAAAKAAAAAAAAAAZ
...

correct output
18

user output
18

Test 10

Group: 3, 4, 5, 6

Verdict: ACCEPTED

input
50
GRGREEEGREGXRXXEGXXREXGRRRGRRR...

correct output
1584665

user output
1584665

Test 11

Group: 3, 4, 5, 6

Verdict: ACCEPTED

input
50
AITIISJUHCCRZNKSDCNQKYSQRINFWJ...

correct output
1077746

user output
1077746

Test 12

Group: 3, 4, 5, 6

Verdict: ACCEPTED

input
50
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOO...

correct output
1625625

user output
1625625

Test 13

Group: 3, 4, 5, 6

Verdict: ACCEPTED

input
50
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF...

correct output
1680

user output
1680

Test 14

Group: 4, 5, 6

Verdict: ACCEPTED

input
100
NNCMDCDDCCNNNDNCMMNCDCDCCDCDNM...

correct output
25325366

user output
25325366

Test 15

Group: 4, 5, 6

Verdict: ACCEPTED

input
100
LIMQQIHASECROEVILNVULGWZJPPKOG...

correct output
22342463

user output
22342463

Test 16

Group: 4, 5, 6

Verdict: ACCEPTED

input
100
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT...

correct output
25502500

user output
25502500

Test 17

Group: 4, 5, 6

Verdict: ACCEPTED

input
100
QXQQQQQQQQQQQQQQQQQQQQQQQQQQQQ...

correct output
25650

user output
25650

Test 18

Group: 5, 6

Verdict:

input
200
NAANANMMKNKKAKMKMAKNKMNKMMNNAA...

correct output
403292767

user output
(empty)

Test 19

Group: 5, 6

Verdict:

input
200
OMYWATTLURKQPTKEFMGGYAOONXWVSC...

correct output
388111321

user output
(empty)

Test 20

Group: 5, 6

Verdict:

input
200
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC...

correct output
404010000

user output
(empty)

Test 21

Group: 5, 6

Verdict: ACCEPTED

input
200
LLLLLLLLLLLLLLLLLHLLLLLLLLLLLL...

correct output
14159445

user output
14159445

Test 22

Group: 6

Verdict:

input
500
VVHWVUHVHUWWWVUUUWVUUHUUWHWUVW...

correct output
15683003812

user output
(empty)

Test 23

Group: 6

Verdict:

input
500
OIMZGEQSBMBDSDXSWRFNKSGFEBBTJE...

correct output
15575906951

user output
(empty)

Test 24

Group: 6

Verdict:

input
500
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII...

correct output
15687562500

user output
(empty)

Test 25

Group: 6

Verdict:

input
500
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWW...

correct output
3058970930

user output
(empty)