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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 17:08:2914
2015-10-11 12:51:5814
2015-10-11 01:35:0714
2015-10-11 01:26:370
2015-10-11 01:19:400
2015-10-11 01:14:150
2015-10-01 22:48:130
Task:Tontti
Sender:nagrodus
Submission time:2015-10-11 01:26:37
Language:C++
Status:READY
Score:0

Feedback

groupverdictscore
#1WRONG ANSWER0
#2WRONG ANSWER0
#3TIME LIMIT EXCEEDED0

Test results

testverdicttime (s)group
#1WRONG ANSWER0.05 / 1.001details
#2ACCEPTED0.06 / 1.001details
#3WRONG ANSWER0.05 / 1.001details
#4WRONG ANSWER0.06 / 1.001details
#5WRONG ANSWER0.05 / 1.001details
#6WRONG ANSWER0.10 / 1.002details
#7WRONG ANSWER0.10 / 1.002details
#8WRONG ANSWER0.10 / 1.002details
#9WRONG ANSWER0.10 / 1.002details
#10WRONG ANSWER0.10 / 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(int, char**)':
input/code.cpp:8:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &yMax, &xMax, &target);
                                          ^
input/code.cpp:13:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", line);
                    ^

Code

#include <stdio.h>
#include <math.h>
#include <algorithm>

int main(int argc, char* argv[])
{
	int yMax, xMax, target;
	scanf("%d %d %d", &yMax, &xMax, &target);
	char *arr = new char[yMax*xMax];
	char *line = new char[xMax + 1];
	for (int i = 0; i < yMax; i++){
		int t = 0;
		scanf("%s", line);
		for (int j = 0; j < xMax; j++){
			if (line[j] == '*')
				t++;
			arr[(i*xMax) + j] = t;
		}
	}
	delete[] line;
	for (int i = 0; i < xMax; i++){
		int t = 0;
		for (int j = 0; j < yMax; j++){
			t += arr[(j*xMax) + i];
			arr[(j*xMax) + i] = t;
		}
	}
	int areas = 0;
	int a = std::min((int)ceil(sqrt((double)target))-1,0);
	while (a < xMax && a < yMax){
		for (int y = 0; y < yMax - a; y++){
			for (int x = 0; x < xMax - a; x++){
				int yT = y + a,xT = x+a ;
				int trees = arr[(yT*xMax) + xT];
				if ((xT - a) >= 0)
					trees -= arr[(yT*xMax) + xT - a];
				if ((yT - a) >= 0){
					trees -= arr[((yT*xMax) - a) + xT];
					if ((xT-a)>=0)
						trees += arr[((yT*xMax)-a) + (xT - a)];
				}
				if (trees == target)
					areas++;

			}
		}
		a++;
	}
	printf("%d", areas);
	delete[] arr;
	return 0;
}

Test details

Test 1

Group: 1

Verdict: WRONG ANSWER

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

correct output
94

view   save

user output
49

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: WRONG ANSWER

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

correct output
4

view   save

user output
1

view   save

Test 4

Group: 1

Verdict: WRONG ANSWER

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

correct output
16

view   save

user output
0

view   save

Test 5

Group: 1

Verdict: WRONG ANSWER

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

correct output
30

view   save

user output
18

view   save

Test 6

Group: 2

Verdict: WRONG ANSWER

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

correct output
9552040

view   save

user output
4955404

view   save

Test 7

Group: 2

Verdict: WRONG ANSWER

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

correct output
1536063

view   save

user output
611714

view   save

Test 8

Group: 2

Verdict: WRONG ANSWER

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

correct output
288

view   save

user output
0

view   save

Test 9

Group: 2

Verdict: WRONG ANSWER

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

correct output
786

view   save

user output
0

view   save

Test 10

Group: 2

Verdict: WRONG ANSWER

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

correct output
1763

view   save

user output
0

view   save

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)