CSES - Datatähti 2025 alku - Results
Submission details
Task:Tikut
Sender:zfoil
Submission time:2024-11-10 16:03:57 +0200
Language:C
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
#50
#60
Test results
testverdicttimegroup
#10.00 s1, 3, 4, 5, 6details
#20.00 s1, 4, 5, 6details
#30.00 s1, 4, 5, 6details
#40.00 s1, 4, 5, 6details
#50.00 s2, 5, 6details
#60.00 s2, 5, 6details
#70.00 s3, 5, 6details
#80.00 s3, 5, 6details
#90.00 s3, 5, 6details
#100.00 s3, 5, 6details
#110.00 s3, 5, 6details
#120.00 s4, 5, 6details
#130.00 s4, 5, 6details
#140.00 s4, 5, 6details
#150.00 s4, 5, 6details
#160.00 s5, 6details
#170.00 s5, 6details
#180.00 s5, 6details
#190.00 s5, 6details
#20--6details
#21--6details
#22--6details

Compiler report

input/code.c: In function 'print_ll':
input/code.c:45:43: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=]
   45 |                 printf("Original length: %d, longest piece: %d, shortest_piece: %d\n", ll_node->original_height, ll_node->longest_piece, ll_node->shortest_piece);
      |                                          ~^                                            ~~~~~~~~~~~~~~~~~~~~~~~~
      |                                           |                                                   |
      |                                           int                                                 long int
      |                                          %ld
input/code.c:45:62: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=]
   45 |                 printf("Original length: %d, longest piece: %d, shortest_piece: %d\n", ll_node->original_height, ll_node->longest_piece, ll_node->shortest_...

Code

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

typedef struct Ll_node Ll_node;

struct Ll_node {
	long int original_height;
	long int longest_piece;
	long int shortest_piece;
	int number_of_cuts;
	Ll_node *next;
};

void update_longest_piece(Ll_node *ll_node)
{
	int preliminary_value = ll_node->original_height / (ll_node->number_of_cuts + 1);
	ll_node->shortest_piece = preliminary_value;
	if (preliminary_value * (ll_node->number_of_cuts + 1) == ll_node->original_height) {
		ll_node->longest_piece = preliminary_value;
	} else {
		ll_node->longest_piece = preliminary_value + 1;
	}
}

void insort(Ll_node *ll_node, Ll_node **head)
{
	Ll_node *current_ll_node = *head;
	if (ll_node->longest_piece > (*head)->longest_piece) {
		ll_node->next = *head;
		*head = ll_node;
		return;
	}
	while (current_ll_node->next != NULL && current_ll_node->next->longest_piece > ll_node->longest_piece) {
		current_ll_node = current_ll_node->next;
	}
	ll_node->next = current_ll_node->next;
	current_ll_node->next = ll_node;
}

void print_ll(Ll_node *head)
{
	Ll_node *ll_node = head;
	while (ll_node != NULL) {
		printf("Original length: %d, longest piece: %d, shortest_piece: %d\n", ll_node->original_height, ll_node->longest_piece, ll_node->shortest_piece);
		ll_node = ll_node->next;
	}
	printf("\n");
}

void distribute_cut(Ll_node **head)
{
	Ll_node *loose_head;
	(*head)->number_of_cuts++;
	update_longest_piece(*head);
	loose_head = *head;
	*head = (*head)->next;
	insort(loose_head, head);
}

Ll_node *parse_ll(int number_of_sticks)
{
	int stick_height, i;
	Ll_node *head, *tmp_stick;
	for (i = 0; i < number_of_sticks; i++) {
		tmp_stick = malloc(sizeof(*tmp_stick));
		scanf("%ld", &stick_height);
		tmp_stick->original_height = stick_height;
		tmp_stick->longest_piece = stick_height;
		tmp_stick->shortest_piece = stick_height;
		tmp_stick->number_of_cuts = 0;
		tmp_stick->next = NULL;
		if (i == 0) {
			head = tmp_stick;
			continue;
		}
		insort(tmp_stick, &head);
	}
	return head;
}

int find_maximum_difference(Ll_node *head)
{
	long int max = -1, min = 1000000001;
	Ll_node *ll_node = head;
	while (ll_node != NULL) {
		if (ll_node->longest_piece > max) {
			max = ll_node->longest_piece;
		}
		if (ll_node->shortest_piece < min) {
			min = ll_node->shortest_piece;
		}
		ll_node = ll_node->next;
	}
	return max - min;
}

int main(void)
{
	int number_of_sticks, max_number_of_cuts, i;
	Ll_node *tmp_stick, *head;
	scanf("%ld%ld", &number_of_sticks, &max_number_of_cuts);
	head = parse_ll(number_of_sticks);
	for (i = 0; i < max_number_of_cuts; i++) {
		distribute_cut(&head);
		printf("%ld ", find_maximum_difference(head));
	}
	return 0;
}










Test details

Test 1

Group: 1, 3, 4, 5, 6

Verdict:

input
1 1
6

correct output

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 2

Group: 1, 4, 5, 6

Verdict:

input
5 10
4 8 6 2 7

correct output
5 4 2 2 2 1 1 1 1 1 

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 3

Group: 1, 4, 5, 6

Verdict:

input
5 10
5 5 8 6 7

correct output
3 3 2 3 2 2 1 1 1 2 

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 4

Group: 1, 4, 5, 6

Verdict:

input
5 10
8 7 9 6 10

correct output
4 4 3 3 2 2 1 2 2 1 

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 5

Group: 2, 5, 6

Verdict:

input
1000 1071
3 2 3 1 3 3 2 3 2 3 2 2 2 1 2 ...

correct output
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 6

Group: 2, 5, 6

Verdict:

input
1000 1500
3 2 2 3 2 3 2 2 2 3 2 2 3 3 3 ...

correct output
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 7

Group: 3, 5, 6

Verdict:

input
1000 2
15 710 210 347 398 66 318 277 ...

correct output
994 994 

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 8

Group: 3, 5, 6

Verdict:

input
1000 2
743 890 592 942 736 969 616 50...

correct output
498 496 

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 9

Group: 3, 5, 6

Verdict:

input
1000 2
987 968 920 994 988 918 914 95...

correct output
500 500 

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 10

Group: 3, 5, 6

Verdict:

input
1000 2
996 1000 998 998 999 997 997 9...

correct output
500 500 

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 11

Group: 3, 5, 6

Verdict:

input
1000 2
501 501 501 501 501 501 501 50...

correct output
1 168 

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 12

Group: 4, 5, 6

Verdict:

input
100 200
145 136 74 83 73 36 196 115 11...

correct output
194 190 189 183 182 181 181 17...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 13

Group: 4, 5, 6

Verdict:

input
100 200
157 110 168 155 192 107 146 15...

correct output
95 96 96 95 93 94 94 94 90 91 ...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 14

Group: 4, 5, 6

Verdict:

input
50 200
137 118 160 118 146 160 140 18...

correct output
98 98 98 96 90 91 88 88 84 86 ...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 15

Group: 4, 5, 6

Verdict:

input
100 200
147 174 186 148 155 128 158 18...

correct output
99 99 98 98 97 97 96 96 95 95 ...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 16

Group: 5, 6

Verdict:

input
1000 2000
928772177 816188227 216592201 ...

correct output
991676844 990940224 990685481 ...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 17

Group: 5, 6

Verdict:

input
1000 2000
665759876 597950008 615453266 ...

correct output
498801198 498681904 498504321 ...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 18

Group: 5, 6

Verdict:

input
500 2000
683288817 784230412 626685186 ...

correct output
497667621 498434895 495465990 ...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 19

Group: 5, 6

Verdict:

input
1000 2000
666667000 809309500 571572000 ...

correct output
499499500 499249250 498999000 ...

user output
(empty)

Error:
*** stack smashing detected ***: terminated

Test 20

Group: 6

Verdict:

input
100000 200000
861772559 734298084 983382252 ...

correct output
499973914 499985299 499985141 ...

user output
(empty)

Test 21

Group: 6

Verdict:

input
30000 200000
691834579 617419813 514778075 ...

correct output
499967533 499976270 499969810 ...

user output
(empty)

Test 22

Group: 6

Verdict:

input
100000 200000
820255000 960780000 741965000 ...

correct output
499995000 499992500 499990000 ...

user output
(empty)