CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:maweiyin24562
Submission time:2024-10-28 09:45:59 +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
#2ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#3ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#4ACCEPTED0.00 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
#9ACCEPTED0.00 s2, 3, 4, 5, 6details
#100.01 s3, 4, 5, 6details
#110.01 s3, 4, 5, 6details
#12ACCEPTED0.01 s3, 4, 5, 6details
#13ACCEPTED0.00 s3, 4, 5, 6details
#140.01 s4, 5, 6details
#150.01 s4, 5, 6details
#16ACCEPTED0.01 s4, 5, 6details
#17ACCEPTED0.01 s4, 5, 6details
#180.02 s5, 6details
#190.02 s5, 6details
#20ACCEPTED0.02 s5, 6details
#210.01 s5, 6details
#220.10 s6details
#230.10 s6details
#240.09 s6details
#250.07 s6details

Code

#include <bits/stdc++.h>
using namespace std;
 
#define I(c) (int)(c-'A')

const int N=505;
int g[N][N];
int pre[N][N][26];
bool vst[N][N];
int p[N][N];
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;
}

void debug(int x1,int y1,int x2,int y2){	
	printf("%d %d %d %d\n",x1,y1,x2,y2);
	for(int i=x1;i<=x2;i++){
		for(int j=y1;j<=y2;j++){
			cout<<g[i][j];
		}
		cout<<endl;
	}
	cout<<endl;
}
 
int ans;

void scanX(){
	int xl=1,xr=1;
	while(xr<=n){
		while(check(xl+1,1,xr,n)&&xl<xr){
			xl++;
		}
		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)){
//					debug(xl,yl,xr,yr);
					ans+=xl*yl;
					vst[xr][yr]=true;
					p[xr][yr]=yl;
//					cout<<"+"<<xl*yl<<endl;
				}
				yr++;
			}
		}
		xr++;
	}
}

void scanY(){
	int yl=1,yr=1;
	while(yr<=n){
		while(check(1,yl+1,n,yr)&&yl<yr){
			yl++;
		}
		if(check(1,yl,n,yr)){
			int xl=1,xr=1;
			while(xr<=n){
				while(check(xl+1,yl,xr,yr)&&xl<xr){
					xl++;
				}
				if(check(xl,yl,xr,yr)){
					if(vst[xr][yr]&&yl!=p[xr][yr]){
						ans+=xl*abs(yl-p[xr][yr]);
//						cout<<"+"<<xl<<endl;
					}
					else if(!vst[xr][yr]){
//						debug(xl,yl,xr,yr);
						ans+=xl*yl;
//						cout<<"+"<<xl*yl<<endl;
					}
				}
				xr++;
			}
		}
		yr++;
	}
}

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];
			}
		}
	}
	scanX();
	scanY();
	
	cout<<ans<<endl;
	return 0;
} 
/*
4
AABA
CABA
ABAA
AACA

6
AABDAA
CADBBB
CCDDBB
ACBDBA
AACBDA
ABDCAA

*/

Test details

Test 1

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

Verdict:

input
10
TNCTNPNTPC
NPPNTNTPTP
NTNTTCNTCT
NPCPNPPNTT
...

correct output
2035

user output
1426

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:

input
20
BBCBUBOUOBBCUUBBCOUO
BOUCOOCUBCOOOCOBOCUO
UCCUUUOBCOCBCBUBUCOO
BUOBUCUCUOOBCOOUBUOO
...

correct output
38724

user output
31586

Test 7

Group: 2, 3, 4, 5, 6

Verdict:

input
20
CBGLSHGZHYZDWBNDBJUG
SMUXOJQYPXZDTMJUIWOJ
XIDSTNBGHKRKOVUVMINB
MTQGCFRUHQKALXRNCQGS
...

correct output
8334

user output
5624

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:

input
50
GRGREEEGREGXRXXEGXXREXGRRRGRRR...

correct output
1584665

user output
1518230

Test 11

Group: 3, 4, 5, 6

Verdict:

input
50
AITIISJUHCCRZNKSDCNQKYSQRINFWJ...

correct output
1077746

user output
313862

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:

input
100
NNCMDCDDCCNNNDNCMMNCDCDCCDCDNM...

correct output
25325366

user output
24999453

Test 15

Group: 4, 5, 6

Verdict:

input
100
LIMQQIHASECROEVILNVULGWZJPPKOG...

correct output
22342463

user output
6551009

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
401945731

Test 19

Group: 5, 6

Verdict:

input
200
OMYWATTLURKQPTKEFMGGYAOONXWVSC...

correct output
388111321

user output
192939166

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
4914151

Test 22

Group: 6

Verdict:

input
500
VVHWVUHVHUWWWVUUUWVUUHUUWHWUVW...

correct output
15683003812

user output
-1505492228

Test 23

Group: 6

Verdict:

input
500
OIMZGEQSBMBDSDXSWRFNKSGFEBBTJE...

correct output
15575906951

user output
839638145

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
1035074344