CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:manttila
Submission time:2024-11-09 20:47:32 +0200
Language:C++ (C++17)
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
#8ACCEPTED0.00 s2, 3, 4, 5, 6details
#9ACCEPTED0.00 s2, 3, 4, 5, 6details
#10ACCEPTED0.02 s3, 4, 5, 6details
#11ACCEPTED0.06 s3, 4, 5, 6details
#12ACCEPTED0.01 s3, 4, 5, 6details
#13ACCEPTED0.01 s3, 4, 5, 6details
#14ACCEPTED0.14 s4, 5, 6details
#15ACCEPTED0.56 s4, 5, 6details
#16ACCEPTED0.04 s4, 5, 6details
#17ACCEPTED0.04 s4, 5, 6details
#18--5, 6details
#19--5, 6details
#20ACCEPTED0.33 s5, 6details
#21ACCEPTED0.31 s5, 6details
#22--6details
#23--6details
#24--6details
#25--6details

Code

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

#include<bits/stdc++.h>
using namespace std;
 
#define debug(x) cout << #x << " = " << x << "\n"
#define pb push_back
#define uset unordered_set
#define umap unordered_map
#define int long long
 
typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> pi;

const ll M = 1000000007;
const ll INF = LLONG_MAX/2-1;

void solve(){
    int n; vector<string> grid(505); 
    cin >> n; for(int i=0; i<n; i++) cin >> grid[i];
    
    set<char> rs;
    for(int i = 0; i < n; ++i){
        for(int j = 0; j < n; ++j){
            rs.insert(grid[i][j]);
        }
    }

    int sc = rs.size();
    int ans = 0;
    for(int row = 0; row < n; ++row){
        vector<umap<char, int>> scol(n);
        for(int erow = row; erow < n; ++erow){
            for(int col = 0; col < n; ++col){
                scol[col][grid[erow][col]]++;
            }
            int left = 0;
            umap<char, int> scount;
            int scov = 0;
            for(int a = 0; a < n; ++a){
                for(auto entry : scol[a]){
                    char species = entry.first;
                    int count = entry.second;
                    if (scount[species] == 0 && count > 0) {
                        scov++;
                    }
                    scount[species] += count;
                }

                while(scov == sc){
                    ans += n-a;
                    for(auto entry : scol[left]){
                        char species = entry.first;
                        int count = entry.second;
                    
                        scount[species] -= count;
                        if(scount[species] == 0){
                            scov--;
                        }
                    }
                    ++left;
                }
            }
        }
    }
    cout << ans;
}

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);

    int t=1; while(t--) solve();
    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: 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)