CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:worst
Submission time:2024-11-06 22:55:28 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
#50
#60
Test results
testverdicttimegroup
#10.01 s1, 2, 3, 4, 5, 6details
#2ACCEPTED0.01 s1, 2, 3, 4, 5, 6details
#30.01 s1, 2, 3, 4, 5, 6details
#4ACCEPTED0.01 s1, 2, 3, 4, 5, 6details
#5ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#60.23 s2, 3, 4, 5, 6details
#7ACCEPTED0.32 s2, 3, 4, 5, 6details
#80.22 s2, 3, 4, 5, 6details
#9ACCEPTED0.35 s2, 3, 4, 5, 6details
#10--3, 4, 5, 6details
#11--3, 4, 5, 6details
#12--3, 4, 5, 6details
#13--3, 4, 5, 6details
#14--4, 5, 6details
#15--4, 5, 6details
#16--4, 5, 6details
#17--4, 5, 6details
#18--5, 6details
#19--5, 6details
#20--5, 6details
#21--5, 6details
#22--6details
#23--6details
#24--6details
#25--6details

Compiler report

input/code.cpp: In function 'bool contains(std::vector<char>, char)':
input/code.cpp:7:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for (int i = 0; i < v.size(); i++) {
      |                     ~~^~~~~~~~~~

Code

#include <iostream>
#include <vector>
using namespace std;
bool contains(vector<char> v, char x) {
for (int i = 0; i < v.size(); i++) {
if (v[i] == x) {
return true;
}
}
return false;
}
bool rect_has_all_flowers(int iSt, int jSt, int iEnd, int jEnd, int uniqCNT, vector<vector<vector<int>>> prefix) {
int cnt = 0;
for (int k = 0; k < 26; k++) {
if (prefix[iEnd][jEnd][k] + prefix[iSt-1][jSt-1][k] - prefix[iSt-1][jEnd][k] - prefix[iEnd][jSt-1][k] > 0) {
cnt++;
}
}
return cnt == uniqCNT;
}
int solve(vector<vector<char>> v, int n, vector<char> uniq, vector<vector<vector<int>>> prefix) {
int ans = 0;
for (int i = 1; i < n+1; i++) {
for (int j = 1; j < n+1; j++) {
for (int rowInc = 0; rowInc < n + 1 - i; rowInc++) {
// Start binary search for least possible rect
int col; // m
int l = j;
int r = n+1;
bool flag = false;
while (l < r-1) {
col = (r+l) / 2;
if (rect_has_all_flowers(i, j, i+rowInc, col, uniq.size(), prefix)) {
r = col;
flag = true;
} else {
l = col;
}
}
if (n == 1) {
col = 1;
ans = 1;
} else {
col = r;
if (flag) {
ans += (n - col + 1);
} else {
if (rect_has_all_flowers(i, j, i+rowInc, col-1, uniq.size(), prefix)) {
ans += (n - col + 1);
}
}
}
}
}
}
cout << ans << endl;
return 0;
}
int main() {
int n;
cin >> n;
vector<char> uniq; // Create a list of all unical letters.
int cnt = 0; // Count all letters
vector<vector<char>> v(n); // Create flower map
vector<vector<vector<int>>> prefix(n+1, vector<vector<int>> (n+1, vector<int>(26, 0))); // Create prefix map
for (int i = 1; i < n+1; i++) {
vector<char> temp(n);
for (int j = 1; j < n+1; j++) {
char ch;
cin >> ch;
temp[j-1] = ch;
if (!contains(uniq, ch)) {
cnt++;
uniq.push_back(ch);
}
for (int k = 0; k < 26; k++) {
prefix[i][j][k] = prefix[i-1][j][k] + prefix[i][j-1][k] - prefix[i-1][j-1][k];
}
prefix[i][j][(int) temp[j-1] - 65] += 1;
}
v[i-1] = temp;
}
solve(v, n, uniq, prefix);
return 0;
}

Test details

Test 1

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

Verdict:

input
10
TNCTNPNTPC
NPPNTNTPTP
NTNTTCNTCT
NPCPNPPNTT
...

correct output
2035

user output
1896

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:

input
10
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
...

correct output
3025

user output
2475

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:

input
20
BBCBUBOUOBBCUUBBCOUO
BOUCOOCUBCOOOCOBOCUO
UCCUUUOBCOCBCBUBUCOO
BUOBUCUCUOOBCOOUBUOO
...

correct output
38724

user output
36815

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:

input
20
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
...

correct output
44100

user output
39900

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:

input
50
GRGREEEGREGXRXXEGXXREXGRRRGRRR...

correct output
1584665

user output
(empty)

Test 11

Group: 3, 4, 5, 6

Verdict:

input
50
AITIISJUHCCRZNKSDCNQKYSQRINFWJ...

correct output
1077746

user output
(empty)

Test 12

Group: 3, 4, 5, 6

Verdict:

input
50
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOO...

correct output
1625625

user output
(empty)

Test 13

Group: 3, 4, 5, 6

Verdict:

input
50
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF...

correct output
1680

user output
(empty)

Test 14

Group: 4, 5, 6

Verdict:

input
100
NNCMDCDDCCNNNDNCMMNCDCDCCDCDNM...

correct output
25325366

user output
(empty)

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
(empty)

Test 17

Group: 4, 5, 6

Verdict:

input
100
QXQQQQQQQQQQQQQQQQQQQQQQQQQQQQ...

correct output
25650

user output
(empty)

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:

input
200
LLLLLLLLLLLLLLLLLHLLLLLLLLLLLL...

correct output
14159445

user output
(empty)

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)