CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:Touko_Ursin
Submission time:2024-10-30 15:36:39 +0200
Language:C++ (C++20)
Status:READY
Result:58
Feedback
groupverdictscore
#1ACCEPTED4
#2ACCEPTED6
#3ACCEPTED10
#4ACCEPTED13
#5ACCEPTED25
#60
Test results
testverdicttimegroup
#1ACCEPTED0.00 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
#6ACCEPTED0.00 s2, 3, 4, 5, 6details
#7ACCEPTED0.00 s2, 3, 4, 5, 6details
#8ACCEPTED0.00 s2, 3, 4, 5, 6details
#9ACCEPTED0.00 s2, 3, 4, 5, 6details
#10ACCEPTED0.01 s3, 4, 5, 6details
#11ACCEPTED0.01 s3, 4, 5, 6details
#12ACCEPTED0.01 s3, 4, 5, 6details
#13ACCEPTED0.01 s3, 4, 5, 6details
#14ACCEPTED0.03 s4, 5, 6details
#15ACCEPTED0.03 s4, 5, 6details
#16ACCEPTED0.04 s4, 5, 6details
#17ACCEPTED0.04 s4, 5, 6details
#18ACCEPTED0.41 s5, 6details
#19ACCEPTED0.43 s5, 6details
#20ACCEPTED0.42 s5, 6details
#21ACCEPTED0.42 s5, 6details
#22--6details
#23--6details
#24--6details
#25--6details

Code

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

class Solution {
public:
    int countValidRectangles(vector<vector<char>>& matrix) {
        ios_base::sync_with_stdio(0);
        cin.tie(0);
        cout.tie(0);
        
        int m = matrix.size(), n = matrix[0].size();
        
        bitset<26> allTypes;
        for(int i = 0; i < m; i++) {
            for(int j = 0; j < n; j++) {
                allTypes[matrix[i][j] - 'A'] = 1;
            }
        }
        
        int answer = 0;
        vector<bitset<26>> store(m);        
        for(int left = 0; left < n; left++) {

            for(int i = 0; i < m; i++) {
                store[i].reset();
            }
            
            for(int right = left; right < n; right++) {
                for(int i = 0; i < m; i++) {
                    store[i][matrix[i][right] - 'A'] = 1;
                }
                
                for(int top = 0; top < m; top++) {
                    bitset<26> types;
                    for(int bottom = top; bottom < m; bottom++) {
                        types |= store[bottom];
                        
                        if(types == allTypes) {
                            answer++;
                        }
                    }
                }
            }
        }
        
        return answer;
    }
};

int main() {
    int n;
    cin >> n;
    
    vector<vector<char>> matrix(n, vector<char>(n));
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < n; j++) {
            cin >> matrix[i][j];
        }
    }
    
    Solution solution;
    cout << solution.countValidRectangles(matrix) << endl;
    
    return 0;
}

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: ACCEPTED

input
200
NAANANMMKNKKAKMKMAKNKMNKMMNNAA...

correct output
403292767

user output
403292767

Test 19

Group: 5, 6

Verdict: ACCEPTED

input
200
OMYWATTLURKQPTKEFMGGYAOONXWVSC...

correct output
388111321

user output
388111321

Test 20

Group: 5, 6

Verdict: ACCEPTED

input
200
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC...

correct output
404010000

user output
404010000

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)