CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:rottis
Submission time:2024-11-04 14:42:21 +0200
Language:C++ (C++17)
Status:READY
Result:58
Feedback
groupverdictscore
#1ACCEPTED4
#2ACCEPTED6
#3ACCEPTED10
#4ACCEPTED13
#5ACCEPTED25
#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
#6ACCEPTED0.00 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
#10ACCEPTED0.00 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
#16ACCEPTED0.00 s4, 5, 6details
#17ACCEPTED0.01 s4, 5, 6details
#18ACCEPTED0.01 s5, 6details
#19ACCEPTED0.05 s5, 6details
#20ACCEPTED0.01 s5, 6details
#21ACCEPTED0.32 s5, 6details
#22ACCEPTED0.09 s6details
#23ACCEPTED0.35 s6details
#24ACCEPTED0.06 s6details
#25--6details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
input/code.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         scanf("%s", buf);
      |         ~~~~~^~~~~~~~~~~

Code

#define to_bit(c) (1<<(c - 'A'))
#define bitmap uint32_t
#include <stdio.h>
#include <stdint.h>
int n;
bitmap found_flowers = 0;
bitmap **board = new bitmap*[500];
int main() {
scanf("%d", &n);
char *buf = new char[501];
for (int i = 0; i < n; i++) {
bitmap *row = new bitmap[500];
scanf("%s", buf);
for (int j = 0; j < n; j++) {
found_flowers = found_flowers | to_bit(buf[j]);
row[j] = to_bit(buf[j]);
}
board[i] = row;
}
long solutions = 0;
bitmap *columns = new bitmap[500];
bitmap cols_bwise_ored;
int right;
int bottom;
int iters_to_skip;
for (int left = 0; left < n; left++) {
for (int top = 0; top < n; top++) {
right = n-1;
bottom = top;
for (int c_col = left; c_col <= right; c_col++) {
columns[c_col] = board[c_col][top];
}
begin:
cols_bwise_ored = 0;
for (int c_col = left; c_col <= right; c_col++) {
cols_bwise_ored |= columns[c_col];
if (cols_bwise_ored == found_flowers) {
iters_to_skip = right - c_col + 1;
goto valid;
}
}
goto invalid;
valid:
//std::cout << "valid!\n";
solutions += (n - bottom) * iters_to_skip;
right -= iters_to_skip;
if (right < left) {
goto next;
}
goto begin;
invalid:
//std::cout << "invalid...\n";
if (++bottom >= n) {
goto next;
}
for (int c_col = left; c_col <= right; c_col++) {
columns[c_col] |= board[c_col][bottom];
}
goto begin;
//std::cout << std::endl;
next:
if (bottom == n && right == n-1) {
goto next_column;
}
continue;
}
next_column: continue;
}
printf("%ld", solutions);
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: 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:

input
500
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWW...

correct output
3058970930

user output
(empty)