CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:maweiyin24562
Submission time:2024-10-28 02:45:38 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
#50
#60
Test results
testverdicttimegroup
#10.00 s1, 2, 3, 4, 5, 6details
#20.00 s1, 2, 3, 4, 5, 6details
#3ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#40.00 s1, 2, 3, 4, 5, 6details
#5ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#60.00 s2, 3, 4, 5, 6details
#70.00 s2, 3, 4, 5, 6details
#8ACCEPTED0.00 s2, 3, 4, 5, 6details
#90.00 s2, 3, 4, 5, 6details
#100.01 s3, 4, 5, 6details
#110.00 s3, 4, 5, 6details
#12ACCEPTED0.00 s3, 4, 5, 6details
#130.00 s3, 4, 5, 6details
#140.01 s4, 5, 6details
#150.01 s4, 5, 6details
#16ACCEPTED0.01 s4, 5, 6details
#170.01 s4, 5, 6details
#180.01 s5, 6details
#190.01 s5, 6details
#20ACCEPTED0.01 s5, 6details
#210.01 s5, 6details
#220.07 s6details
#230.07 s6details
#240.06 s6details
#250.06 s6details

Code

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

#define I(c) (int)(c-'A') 

const int N=509;
int g[N][N];
int pre[N][N][26];
bool exists[26];
int n;

int sum(int x1,int y1,int x2,int y2,int ic){
	return pre[x2][y2][ic]-pre[x2][y1-1][ic]-pre[x1-1][y2][ic]+pre[x1-1][y1-1][ic];
}

bool check(int x1,int y1,int x2,int y2){
	for(int i=0;i<26;i++){
		if(exists[i]&&!sum(x1,y1,x2,y2,i))return false;
	}
	return true;
}

int ans;

int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			char c;
			cin>>c;
			g[i][j]=I(c);
			exists[I(c)]=true;
			for(int k=0;k<26;k++){
				if(k==I(c))pre[i][j][k]=pre[i-1][j][k]+pre[i][j-1][k]-pre[i-1][j-1][k]+1;
				else pre[i][j][k]=pre[i-1][j][k]+pre[i][j-1][k]-pre[i-1][j-1][k];
			}
		}
	}
	
	int xl=1,xr=1;
	while(xr<=n){
		while(check(xl+1,1,xr,n)&&xl<xr){
			xl++;
		}
		int layer=0;
		if(check(xl,1,xr,n)){
			int yl=1,yr=1;
			while(yr<=n){
				while(check(xl,yl+1,xr,yr)&&yl<yr){
					yl++;
				}
				if(check(xl,yl,xr,yr)){
					layer+=n-yr+1;
				}
				yr++;
			}
		}
		ans+=layer*(n-xr+1);
		xr++;
	}
	cout<<ans<<endl;
	return 0;
} 

Test details

Test 1

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

Verdict:

input
10
TNCTNPNTPC
NPPNTNTPTP
NTNTTCNTCT
NPCPNPPNTT
...

correct output
2035

user output
1073

Test 2

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

Verdict:

input
10
NFWQLWNWYS
DZOQJVXFPJ
CNHXPXMCQD
QRTBVNLTQC
...

correct output
9

user output
1

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:

input
10
FFFFFFFFFF
FFFFFCFFFF
FFFFFFJFFF
FFFFFFFFFF
...

correct output
12

user output
3

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:

input
20
BBCBUBOUOBBCUUBBCOUO
BOUCOOCUBCOOOCOBOCUO
UCCUUUOBCOCBCBUBUCOO
BUOBUCUCUOOBCOOUBUOO
...

correct output
38724

user output
23519

Test 7

Group: 2, 3, 4, 5, 6

Verdict:

input
20
CBGLSHGZHYZDWBNDBJUG
SMUXOJQYPXZDTMJUIWOJ
XIDSTNBGHKRKOVUVMINB
MTQGCFRUHQKALXRNCQGS
...

correct output
8334

user output
3164

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:

input
20
AAAAAAAAXAAAAAAAAAAA
AAAWAAAAAAAAAAAAAOAA
AAAAAAAAAAAAAAAAAPAA
AAAAAAAAKAAAAAAAAAAZ
...

correct output
18

user output
3

Test 10

Group: 3, 4, 5, 6

Verdict:

input
50
GRGREEEGREGXRXXEGXXREXGRRRGRRR...

correct output
1584665

user output
1216726

Test 11

Group: 3, 4, 5, 6

Verdict:

input
50
AITIISJUHCCRZNKSDCNQKYSQRINFWJ...

correct output
1077746

user output
118706

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:

input
50
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF...

correct output
1680

user output
108

Test 14

Group: 4, 5, 6

Verdict:

input
100
NNCMDCDDCCNNNDNCMMNCDCDCCDCDNM...

correct output
25325366

user output
22003364

Test 15

Group: 4, 5, 6

Verdict:

input
100
LIMQQIHASECROEVILNVULGWZJPPKOG...

correct output
22342463

user output
3063036

Test 16

Group: 4, 5, 6

Verdict: ACCEPTED

input
100
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT...

correct output
25502500

user output
25502500

Test 17

Group: 4, 5, 6

Verdict:

input
100
QXQQQQQQQQQQQQQQQQQQQQQQQQQQQQ...

correct output
25650

user output
30921

Test 18

Group: 5, 6

Verdict:

input
200
NAANANMMKNKKAKMKMAKNKMNKMMNNAA...

correct output
403292767

user output
373152441

Test 19

Group: 5, 6

Verdict:

input
200
OMYWATTLURKQPTKEFMGGYAOONXWVSC...

correct output
388111321

user output
119189890

Test 20

Group: 5, 6

Verdict: ACCEPTED

input
200
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC...

correct output
404010000

user output
404010000

Test 21

Group: 5, 6

Verdict:

input
200
LLLLLLLLLLLLLLLLLHLLLLLLLLLLLL...

correct output
14159445

user output
7541722

Test 22

Group: 6

Verdict:

input
500
VVHWVUHVHUWWWVUUUWVUUHUUWHWUVW...

correct output
15683003812

user output
-1938432294

Test 23

Group: 6

Verdict:

input
500
OIMZGEQSBMBDSDXSWRFNKSGFEBBTJE...

correct output
15575906951

user output
1507894380

Test 24

Group: 6

Verdict:

input
500
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII...

correct output
15687562500

user output
-1492306684

Test 25

Group: 6

Verdict:

input
500
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWW...

correct output
3058970930

user output
745284302