CSES - Datatähti 2025 alku

CSES - Datatähti 2025 alku - Results

Submission details
Task:	Robotti
Sender:	hasorez
Submission time:	2024-10-29 21:04:27 +0200
Language:	C
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	TIME LIMIT EXCEEDED	0
#2	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 2	details
#2	ACCEPTED	0.00 s	1, 2	details
#3	ACCEPTED	0.00 s	1, 2	details
#4	ACCEPTED	0.00 s	1, 2	details
#5	ACCEPTED	0.00 s	1, 2	details
#6	TIME LIMIT EXCEEDED	--	1, 2	details
#7	TIME LIMIT EXCEEDED	--	1, 2	details
#8	ACCEPTED	0.00 s	1, 2	details
#9	ACCEPTED	0.00 s	1, 2	details
#10	WRONG ANSWER	0.00 s	1, 2	details
#11	TIME LIMIT EXCEEDED	--	1, 2	details
#12	TIME LIMIT EXCEEDED	--	2	details
#13	TIME LIMIT EXCEEDED	--	2	details
#14	TIME LIMIT EXCEEDED	--	2	details
#15	WRONG ANSWER	0.00 s	2	details
#16	TIME LIMIT EXCEEDED	--	2	details
#17	ACCEPTED	0.00 s	2	details
#18	TIME LIMIT EXCEEDED	--	2	details
#19	WRONG ANSWER	0.78 s	2	details
#20	ACCEPTED	0.00 s	2	details
#21	ACCEPTED	0.00 s	2	details
#22	TIME LIMIT EXCEEDED	--	2	details
#23	WRONG ANSWER	0.00 s	2	details
#24	TIME LIMIT EXCEEDED	--	2	details

Compiler report

input/code.c: In function 'main':
input/code.c:68:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |         scanf("%d", &huoneiden_määrä);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
input/code.c:70:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   70 |         scanf("%s", mappi);
      |         ^~~~~~~~~~~~~~~~~~

Code

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int lähin_kolikkohuone(char *mappi, int robottihuone_idx, int huoneiden_määrä) {

	char *mappi_vasen = (char*)malloc(robottihuone_idx * sizeof(*mappi));
	strncpy(mappi_vasen, mappi, robottihuone_idx);
	char *vasen_lähin = strrchr(mappi_vasen, '*');
	int vasen_lähin_idx;
	if (vasen_lähin) {
		vasen_lähin_idx = vasen_lähin - mappi_vasen;
	} else {
		vasen_lähin_idx = -1;
	}
	
	char *mappi_oikea = (char*)malloc((huoneiden_määrä-robottihuone_idx)*sizeof(*mappi));
	strncpy(mappi_oikea, mappi+robottihuone_idx+1, huoneiden_määrä-robottihuone_idx);
	char *oikea_lähin = strchr(mappi_oikea, '*');
	int oikea_lähin_idx;
	if (oikea_lähin) {
		oikea_lähin_idx = (oikea_lähin - mappi_oikea)+robottihuone_idx+1;
	} else {
		oikea_lähin_idx = -1;
	}
	
	free(mappi_vasen);
	free(mappi_oikea);

	int vasen_lähin_dist, oikea_lähin_dist;
	if (vasen_lähin_idx > -1) {
		vasen_lähin_dist = abs(vasen_lähin_idx-robottihuone_idx);
	} else {
		vasen_lähin_dist = -1;
	}
	if (oikea_lähin_idx > -1) {
		oikea_lähin_dist = abs(oikea_lähin_idx-robottihuone_idx);
	} else {
		oikea_lähin_dist = -1;
	}

	if ((oikea_lähin_dist != -1) && (vasen_lähin_dist != -1)) {
		if (oikea_lähin_dist == vasen_lähin_dist) {
			return -1;
		}
		if (oikea_lähin_dist < vasen_lähin_dist) {
			return oikea_lähin_idx;
		} 
		else {
			return vasen_lähin_idx;
		}
	}
	
	if ((oikea_lähin_dist != -1) && (vasen_lähin_dist == -1)) {
		return oikea_lähin_idx;
	}

	if ((vasen_lähin_dist != -1) && (oikea_lähin_dist == -1)) {
		return vasen_lähin_idx;
	}

	return -1;
}

int main () {
	unsigned int askeleet, kolikot;
	int huoneiden_määrä;
	scanf("%d", &huoneiden_määrä);
	char *mappi = (char*)malloc(huoneiden_määrä * sizeof(*mappi));
	scanf("%s", mappi);

	char *robottihuone;
	int robottihuone_idx, kolikkohuone_idx;
	kolikot = 0;
	askeleet = 0;

	while (1) {
		robottihuone = strchr(mappi, 'R');
		robottihuone_idx = (int)(robottihuone-mappi);
		kolikkohuone_idx = lähin_kolikkohuone(mappi, robottihuone_idx, huoneiden_määrä);
		if (kolikkohuone_idx == -1) {
			break;
		}
		askeleet = askeleet + abs(kolikkohuone_idx-robottihuone_idx);
		kolikot++;
		mappi[robottihuone_idx] = '.';
		mappi[kolikkohuone_idx] = 'R';
	}
	printf("%d %d\n", askeleet, kolikot);
	free(mappi);
	return 0;
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
`1 R` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
`10 ...R......` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
`10 .R...*` view save

correct output
`12 5` view save

user output
`12 5` view save

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
`10 *R****` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
`1000 R................................` view save

correct output
`947 9` view save

user output
`947 9` view save

Test 6

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 .................................` view save

correct output
`886 9` view save

user output
(empty)

Test 7

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 .........................` view save

correct output
`1287 400` view save

user output
(empty)

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
`1000 **********.***************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 9

Group: 1, 2

Verdict: ACCEPTED

input
`1000 ******************************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 10

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 R*****************************...` view save

correct output
`999 999` view save

user output
`500 500` view save

Test 11

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 ******************************...` view save

correct output
`999 999` view save

user output
(empty)

Test 12

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`10000 .......*...................*...` view save

correct output
`10971 999` view save

user output
(empty)

Test 13

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`10000 ...........................` view save

correct output
`9999 999` view save

user output
(empty)

Test 14

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`10000 ...............*.....` view save

correct output
`18766 5000` view save

user output
(empty)

Test 15

Group: 2

Verdict: WRONG ANSWER

input
`10000 R*****************************...` view save

correct output
`9999 9999` view save

user output
`38 38` view save

Test 16

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`10000 ******************************...` view save

correct output
`9999 9999` view save

user output
(empty)

Test 17

Group: 2

Verdict: ACCEPTED

input
`200000 .................................` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 18

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 .................................` view save

correct output
`299934 10000` view save

user output
(empty)

Test 19

Group: 2

Verdict: WRONG ANSWER

input
`200000 ............*...*....` view save

correct output
`299998 100000` view save

user output
`23496 11651` view save

Test 20

Group: 2

Verdict: ACCEPTED

input
`200000 ******************************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 21

Group: 2

Verdict: ACCEPTED

input
`200000 R................................` view save

correct output
`133765 3` view save

user output
`133765 3` view save

Test 22

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 R................................` view save

correct output
`199982 5000` view save

user output
(empty)

Test 23

Group: 2

Verdict: WRONG ANSWER

input
`200000 R*****************************...` view save

correct output
`199999 199999` view save

user output
`38 38` view save

Test 24

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 ******************************...` view save

correct output
`199999 199999` view save

user output
(empty)

Datatähti 2025 alku

Robotti

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Tasks

Submissions (hasorez)