CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:Vludo
Submission time:2024-11-02 23:00:42 +0200
Language:C++ (C++20)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED4
#2ACCEPTED6
#3ACCEPTED10
#4ACCEPTED13
#5ACCEPTED25
#6ACCEPTED42
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
#12ACCEPTED0.00 s3, 4, 5, 6details
#13ACCEPTED0.00 s3, 4, 5, 6details
#14ACCEPTED0.01 s4, 5, 6details
#15ACCEPTED0.01 s4, 5, 6details
#16ACCEPTED0.01 s4, 5, 6details
#17ACCEPTED0.01 s4, 5, 6details
#18ACCEPTED0.04 s5, 6details
#19ACCEPTED0.06 s5, 6details
#20ACCEPTED0.03 s5, 6details
#21ACCEPTED0.03 s5, 6details
#22ACCEPTED0.45 s6details
#23ACCEPTED0.65 s6details
#24ACCEPTED0.41 s6details
#25ACCEPTED0.45 s6details

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 mod ((int)(1e9+7))
#define N ((int)(505))

ll n, bm, counter=0, 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] = (1<<((int)ina-'A'));
        bm |= a[i][j];
    }

    forn(y,n) {
        vector<ll> v(n, 0);
        forN(y2,y,n) {
            forn(i,n) v[i] |= (int)a[y2][i];

            vector<ll> l, r;
            ll ror = 0, x1=0, x2=-1;
            while (x1 < n) {
                ll wor = ror;
                if (!l.empty()) wor |= l.back();

                if (wor != bm) {
                    if (x2 >= n-1) break;

                    // push back
                    x2++;
                    r.pb(v[x2]);
                    ror |= r.back();
                }
                else { 
                    counter += n - x2;
                    /*
                    cout << y <<' ' << y2 <<endl;
                    cout << x1 << ' ' << x2 << endl;
                    */
                     
                    // pop front 
                    x1++;
                    if (l.empty()) {
                        for (int lor = 0; !r.empty();) {
                            lor |= r.back();
                            l.pb(lor);
                            r.pop_back();
                        }
                        ror = 0;
                    }
                    l.pop_back();
                    /*
                    for (int i : r) cout << i << ' ';
                    cout << endl;
                    for (int i : l) cout << i << ' ';
                    cout <<ror<< endl << endl; 
                    */
                }
            } 
        }
    }

    cout << counter << endl;
}

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: ACCEPTED

input
500
VVHWVUHVHUWWWVUUUWVUUHUUWHWUVW...

correct output
15683003812

user output
15683003812

Test 23

Group: 6

Verdict: ACCEPTED

input
500
OIMZGEQSBMBDSDXSWRFNKSGFEBBTJE...

correct output
15575906951

user output
15575906951

Test 24

Group: 6

Verdict: ACCEPTED

input
500
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII...

correct output
15687562500

user output
15687562500

Test 25

Group: 6

Verdict: ACCEPTED

input
500
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWW...

correct output
3058970930

user output
3058970930