CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:Hattless
Submission time:2024-11-05 15:47:21 +0200
Language:C++ (C++17)
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
#30.00 s1, 2, 3, 4, 5, 6details
#40.00 s1, 2, 3, 4, 5, 6details
#50.00 s1, 2, 3, 4, 5, 6details
#60.01 s2, 3, 4, 5, 6details
#70.01 s2, 3, 4, 5, 6details
#80.00 s2, 3, 4, 5, 6details
#90.00 s2, 3, 4, 5, 6details
#100.03 s3, 4, 5, 6details
#110.09 s3, 4, 5, 6details
#120.01 s3, 4, 5, 6details
#130.01 s3, 4, 5, 6details
#140.24 s4, 5, 6details
#150.00 s4, 5, 6details
#160.08 s4, 5, 6details
#170.02 s4, 5, 6details
#180.00 s5, 6details
#190.00 s5, 6details
#200.62 s5, 6details
#210.19 s5, 6details
#220.00 s6details
#230.00 s6details
#24--6details
#250.00 s6details

Code

#include <bits/stdc++.h>
#define ln "\n";
using namespace std;


int n;
vector<string> vec;
int flowerMask = 0;

void computeFlowerMask() {
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            flowerMask |= (1 << (vec[i][j] - 'A'));
        }
    }
}

int countValidRectangles() {
    int ans = 0;
    
    
    for (int r1 = 0; r1 < n; ++r1) {
        vector<vector<int>> flowerCounts(n, vector<int>(26, 0));
        vector<int> columnMasks(n, 0); 
        
        
        for (int r2 = r1; r2 < n; ++r2) {
            int uniqueMask = 0; 
            int startCol = 0;
            vector<int> typeCount(26,0);
            for (int c = 0; c < n; ++c) {
                int flowerIdx = vec[r2][c] - 'A';

                columnMasks[c] |= (1 << flowerIdx);
                uniqueMask |= columnMasks[c];

                flowerCounts[c][flowerIdx]++;
                for(int i = 0; i < 26; i++) {
                    typeCount[i] += flowerCounts[c][i];
                }
                while (startCol <= c && uniqueMask == flowerMask) {
                    ans += (n - c);

                    for (int f = 0; f < 26; ++f) {
                        int rem = flowerCounts[startCol][f];
                        if (typeCount[f] > 0 && rem != 0) {
                            typeCount[f] -= rem;
                            if (typeCount[f] == 0) {
                                uniqueMask &= ~(1 << f);
                            }
                            cout << uniqueMask << ln;
                        }
                    }
                    startCol++;
                }
            }
        }
    }
    return ans;
}

int main() {
    cin >> n;
    vec.resize(n);
    
    for (int i = 0; i < n; i++) {
        cin >> vec[i];
    }
    
    computeFlowerMask();
    
    int ans = countValidRectangles();
    cout << ans << ln;
}

Test details

Test 1

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

Verdict:

input
10
TNCTNPNTPC
NPPNTNTPTP
NTNTTCNTCT
NPCPNPPNTT
...

correct output
2035

user output
565252
565252
565248
565252
565252
...

Test 2

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

Verdict:

input
10
NFWQLWNWYS
DZOQJVXFPJ
CNHXPXMCQD
QRTBVNLTQC
...

correct output
9

user output
67108847
67108839
67108839
67108839
67108839
...

Test 3

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

Verdict:

input
10
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
...

correct output
3025

user output
0
0
0
0
0
...

Test 4

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

Verdict:

input
10
FFFFFFFFFF
FFFFFCFFFF
FFFFFFJFFF
FFFFFFFFFF
...

correct output
12

user output
18879412
18879412
18879396
18879396
18879140
...

Test 5

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

Verdict:

input
1
X

correct output
1

user output
0
1

Test 6

Group: 2, 3, 4, 5, 6

Verdict:

input
20
BBCBUBOUOBBCUUBBCOUO
BOUCOOCUBCOOOCOBOCUO
UCCUUUOBCOCBCBUBUCOO
BUOBUCUCUOOBCOOUBUOO
...

correct output
38724

user output
1064966
1064966
1064962
1064966
1064966
...

Test 7

Group: 2, 3, 4, 5, 6

Verdict:

input
20
CBGLSHGZHYZDWBNDBJUG
SMUXOJQYPXZDTMJUIWOJ
XIDSTNBGHKRKOVUVMINB
MTQGCFRUHQKALXRNCQGS
...

correct output
8334

user output
67108863
67108863
67108863
67108863
67108863
...

Test 8

Group: 2, 3, 4, 5, 6

Verdict:

input
20
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
...

correct output
44100

user output
0
0
0
0
0
...

Test 9

Group: 2, 3, 4, 5, 6

Verdict:

input
20
AAAAAAAAXAAAAAAAAAAA
AAAWAAAAAAAAAAAAAOAA
AAAAAAAAAAAAAAAAAPAA
AAAAAAAAKAAAAAAAAAAZ
...

correct output
18

user output
49079549
49079549
49079549
49071357
49079549
...

Test 10

Group: 3, 4, 5, 6

Verdict:

input
50
GRGREEEGREGXRXXEGXXREXGRRRGRRR...

correct output
1584665

user output
8519760
8519760
8519760
8519760
8519760
...

Test 11

Group: 3, 4, 5, 6

Verdict:

input
50
AITIISJUHCCRZNKSDCNQKYSQRINFWJ...

correct output
1077746

user output
67108862
67108862
67108862
67108863
67108863
...

Test 12

Group: 3, 4, 5, 6

Verdict:

input
50
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOO...

correct output
1625625

user output
0
0
0
0
0
...

Test 13

Group: 3, 4, 5, 6

Verdict:

input
50
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF...

correct output
1680

user output
15237119
15237119
15237119
15237119
15237119
...

Test 14

Group: 4, 5, 6

Verdict:

input
100
NNCMDCDDCCNNNDNCMMNCDCDCCDCDNM...

correct output
25325366

user output
12300
4108
12300
8204
12300
...

Test 15

Group: 4, 5, 6

Verdict:

input
100
LIMQQIHASECROEVILNVULGWZJPPKOG...

correct output
22342463

user output
(empty)

Test 16

Group: 4, 5, 6

Verdict:

input
100
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT...

correct output
25502500

user output
0
0
0
0
0
...

Test 17

Group: 4, 5, 6

Verdict:

input
100
QXQQQQQQQQQQQQQQQQQQQQQQQQQQQQ...

correct output
25650

user output
67076095
67076095
67076095
67076095
67076095
...

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
0
0
0
0
0
...

Test 21

Group: 5, 6

Verdict:

input
200
LLLLLLLLLLLLLLLLLHLLLLLLLLLLLL...

correct output
14159445

user output
67108863
67108863
67108863
67108863
67108863
...

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)