CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:Vludo
Submission time:2024-10-28 15:01:01 +0200
Language:C++ (C++20)
Status:READY
Result:33
Feedback
groupverdictscore
#1ACCEPTED4
#2ACCEPTED6
#3ACCEPTED10
#4ACCEPTED13
#50
#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
#6ACCEPTED0.01 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
#14ACCEPTED0.11 s4, 5, 6details
#15ACCEPTED0.10 s4, 5, 6details
#16ACCEPTED0.10 s4, 5, 6details
#17ACCEPTED0.06 s4, 5, 6details
#18--5, 6details
#19--5, 6details
#20--5, 6details
#21ACCEPTED0.65 s5, 6details
#22--6details
#23--6details
#24--6details
#25--6details

Code

#include<bits/stdc++.h>
using namespace std;
#define forn(i,n) for(int i=0;i<n;++i)
#define forN(i,k,n) for(int i=k;i<n;++i)
#define pb push_back
#define F first
#define S second
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define inf ((int)(1.01e9))
#define N ((int)(505))

int n, L, z[26][N][N], counter=0;
set<char> letters;
char a[N][N];

int main() {
    cin.tie(0) -> sync_with_stdio(0);
    cout.tie(0);

    cin >> n;
    
    forn(i,n) forn(j,n) {
        char ina;
        cin>>ina;
        a[i][j] = ina;
        letters.insert(a[i][j]);
    }
    L = letters.size();
    
    forn(k, 26) forn(i,n) forn(j,n) {
        z[k][i+1][j+1] = z[k][i][j+1] + z[k][i+1][j] - z[k][i][j];
        z[k][i + 1][j + 1] += (a[i][j] == 'A'+k);
    }
    
    forn(y1,n) forN(y2,y1,n) {
        vector<int> v(26);
        int t=0, x1=0;

        forn(x2,n) {
            forn(k,26) {
                int c = z[k][x2+1][y2+1] - z[k][x1][y2+1] - z[k][x2+1][y1] + z[k][x1][y1];
                t+=(c && !v[k]);
                v[k] = c;
            }
            while (t >= L) {
                counter += n-x2;
                forn(k, 26) {
                    int c = z[k][x2+1][y2+1] - z[k][x1+1][y2+1] - z[k][x2+1][y1] + z[k][x1+1][y1];
                    t-=(v[k] && !c);
                    v[k] = c;
                }
                x1++;
            }
        }
    }

    cout << counter << 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:

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)