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Datatähti 2016 alku

Start:2015-09-28 00:00:00
End:2015-10-12 00:00:00
 

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CSES - Datatähti 2016 alku - Results
History
2015-10-11 22:03:510
2015-10-05 21:36:1314
2015-10-05 21:22:320
2015-10-05 17:10:380
Task:Tontti
Sender:tomivah
Submission time:2015-10-05 21:36:13
Language:C++
Status:READY
Score:14

Feedback

groupverdictscore
#1ACCEPTED14
#2TIME LIMIT EXCEEDED0
#3TIME LIMIT EXCEEDED0

Test results

testverdicttime (s)group
#1ACCEPTED0.05 / 1.001details
#2ACCEPTED0.05 / 1.001details
#3ACCEPTED0.05 / 1.001details
#4ACCEPTED0.06 / 1.001details
#5ACCEPTED0.06 / 1.001details
#6TIME LIMIT EXCEEDED-- / 1.002details
#7TIME LIMIT EXCEEDED-- / 1.002details
#8TIME LIMIT EXCEEDED-- / 1.002details
#9TIME LIMIT EXCEEDED-- / 1.002details
#10TIME LIMIT EXCEEDED-- / 1.002details
#11TIME LIMIT EXCEEDED-- / 1.003details
#12TIME LIMIT EXCEEDED-- / 1.003details
#13TIME LIMIT EXCEEDED-- / 1.003details
#14TIME LIMIT EXCEEDED-- / 1.003details
#15TIME LIMIT EXCEEDED-- / 1.003details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:41:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for ( int i = 0; i < height; ++i )
                     ^
input/code.cpp:48:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for ( int j = 0; j < width; ++j )
                      ^
input/code.cpp:56:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for ( int i = 0; i < height; ++i )
                     ^
input/code.cpp:58:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for ( int j = 0; j < width; ++j )
                      ^
input/code.cpp:62:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if ( ( width - j ) < maxSize )
                       ^
input/code.cpp:84:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (

Code

#include <iostream>
#include <string>

int main()
{
	std::ios_base::sync_with_stdio( false );

	std::string input;

	std::getline( std::cin, input );

	unsigned long width = 0;
	unsigned long height = 0;
	unsigned long trees = 0;

	unsigned long long index = 0;
	unsigned long long cursor = 0;

	for ( unsigned long long i = 0; i < input.length(); ++i )
	{
		if ( input[ i ] == ' ' )
		{
			if ( index == 0 )
			{
				height = atoi( input.substr( cursor, i - cursor ).c_str() );
			}
			else if ( index == 1 )
			{
				width = atoi( input.substr( cursor, i - cursor ).c_str() );
			}
			
			index++;
			cursor = i + 1;
		}
	}

	trees = atoi( input.substr( cursor, input.npos ).c_str() );

	bool** forest = new bool*[ height ];

	for ( int i = 0; i < height; ++i )
	{
		std::string line;
		std::getline( std::cin, line );

		forest[ i ] = new bool[ width ];

		for ( int j = 0; j < width; ++j )
		{
			forest[ i ][ j ] = line[ j ] == '*';
		}
	}

	unsigned long result = 0;

	for ( int i = 0; i < height; ++i )
	{
		for ( int j = 0; j < width; ++j )
		{
			int maxSize = height - i;
				
			if ( ( width - j ) < maxSize )
			{
				maxSize = width - j;
			}

			int size = 1;

			while ( size <= maxSize )
			{
				int treesFound = 0;

				for ( int y = i; y < i + size; ++y )
				{
					for ( int x = j; x < j + size; ++x )
					{
						if ( forest[ y ][ x ] )
						{
							treesFound++;
						}
					}
				}

				if ( treesFound == trees )
				{
					result++;
				}

				size++;
			}
		}
	}

	std::cout << result << "\n";
	return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10 10 1
......*...
.......*..
*..*....*.
*....*....
...
view   save

correct output
94

view   save

user output
94

view   save

Test 2

Group: 1

Verdict: ACCEPTED

input
10 10 5
**********
**********
**********
**********
...
view   save

correct output
0

view   save

user output
0

view   save

Test 3

Group: 1

Verdict: ACCEPTED

input
10 10 10
**...*...*
*..*.**.*.
...**.*..*
*...**.*..
...
view   save

correct output
4

view   save

user output
4

view   save

Test 4

Group: 1

Verdict: ACCEPTED

input
10 10 5
****......
*.*.**..**
....*.*..*
...*.***..
...
view   save

correct output
16

view   save

user output
16

view   save

Test 5

Group: 1

Verdict: ACCEPTED

input
10 10 2
**.***..*.
...*.*....
.***.*...*
***.***..*
...
view   save

correct output
30

view   save

user output
30

view   save

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
500 500 1
.................................
view   save

correct output
9552040

view   save

user output
(empty)

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
500 500 5
.................................
view   save

correct output
1536063

view   save

user output
(empty)

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
500 500 25000
**...*...**..*.*..*.**.*..*.*....
view   save

correct output
288

view   save

user output
(empty)

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
500 500 12500
**.**.*..*...*.**...*.***........
view   save

correct output
786

view   save

user output
(empty)

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
500 500 5000
.*.*.**..*.*.**.**..*..**...*....
view   save

correct output
1763

view   save

user output
(empty)

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 1
.................................
view   save

correct output
489611392

view   save

user output
(empty)

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 5
.................................
view   save

correct output
120725884

view   save

user output
(empty)

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 400000
..*..**.**.**.*.***...**.*..**...
view   save

correct output
1849

view   save

user output
(empty)

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 200000
***.*....*.*..*....**..*..*.*....
view   save

correct output
2665

view   save

user output
(empty)

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
2000 2000 80000
**.**...*.***.**....**.*....*....
view   save

correct output
5587

view   save

user output
(empty)