Submission #488538

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
488538	2021-11-19T14:39:52 Z	rainboy	Volontiranje (COCI21_volontiranje)	C	50 / 110	1 ms	460 KB

Main

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

#define N	1000

int max(int a, int b) { return a > b ? a : b; }

int ft[N];

void update(int i, int n, int x) {
	while (i < n) {
		ft[i] = max(ft[i], x);
		i |= i + 1;
	}
}

int query(int i) {
	int x = 0;

	while (i >= 0) {
		x = max(x, ft[i]);
		i &= i + 1, i--;
	}
	return x;
}

int *ei[N], eo[N];

void append(int h, int i) {
	int o = eo[h]++;

	if (o >= 2 && (o & o - 1) == 0)
		ei[h] = (int *) realloc(ei[h], o * 2 * sizeof *ei[h]);
	ei[h][o] = i;
}

int main() {
	static int aa[N], nxt[N], hh[N];
	int n, h, i, j, l, c;

	scanf("%d", &n);
	for (i = 0; i < n; i++)
		scanf("%d", &aa[i]), aa[i]--;
	for (i = 0; i < n; i++)
		update(aa[i], n, (hh[i] = query(aa[i])) + 1);
	l = query(n - 1);
	for (h = 0; h < l; h++)
		ei[h] = (int *) malloc(2 * sizeof *ei[h]);
	for (i = 0; i < n; i++) {
		append(hh[i], i);
		nxt[i] = -1;
	}
	c = 0;
	while (1) {
		int empty, chain;

		empty = 0;
		for (h = 0; h < l; h++)
			if (eo[h] == 0) {
				empty = 1;
				break;
			}
		if (empty)
			break;
		chain = 1;
		for (h = 1; h < l; h++) {
			if (ei[h - 1][eo[h - 1] - 1] > ei[h][eo[h] - 1]) {
				eo[h - 1]--;
				chain = 0;
				break;
			}
			if (aa[ei[h - 1][eo[h - 1] - 1]] > aa[ei[h][eo[h] - 1]]) {
				eo[h]--;
				chain = 0;
				break;
			}
		}
		if (!chain)
			continue;
		c++;
		for (h = 0; h < l; h++) {
			nxt[ei[h][eo[h] - 1]] = h + 1 == l ? n : ei[h + 1][eo[h + 1] - 1];
			eo[h]--;
		}
	}
	printf("%d %d\n", c, l);
	for (i = 0; i < n; i++)
		if (hh[i] == 0 && nxt[i] != -1) {
			for (j = i; j < n; j = nxt[j])
				printf("%d ", j + 1);
			printf("\n");
		}
	return 0;
}

Compilation message

Main.c: In function 'append':
Main.c:32:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   32 |  if (o >= 2 && (o & o - 1) == 0)
      |                     ~~^~~
Main.c: In function 'main':
Main.c:41:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
Main.c:43:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |   scanf("%d", &aa[i]), aa[i]--;
      |   ^~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	204 KB	Output is correct
2	Correct	204 KB	Output is correct
3	Correct	204 KB	Output is correct
4	Correct	204 KB	Output is correct
5	Correct	204 KB	Output is correct
6	Correct	268 KB	Output is correct
7	Correct	204 KB	Output is correct
8	Correct	204 KB	Output is correct
9	Correct	204 KB	Output is correct
10	Correct	204 KB	Output is correct
11	Correct	204 KB	Output is correct
12	Correct	204 KB	Output is correct
13	Correct	204 KB	Output is correct
14	Correct	204 KB	Output is correct
15	Correct	204 KB	Output is correct
16	Correct	252 KB	Output is correct
17	Correct	204 KB	Output is correct
18	Correct	204 KB	Output is correct
19	Correct	204 KB	Output is correct
20	Correct	204 KB	Output is correct
21	Correct	204 KB	Output is correct
22	Correct	204 KB	Output is correct
23	Correct	204 KB	Output is correct

Subtask #2
40.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	268 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	252 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct
41	Correct	0 ms	204 KB	Output is correct
42	Correct	0 ms	204 KB	Output is correct
43	Correct	0 ms	204 KB	Output is correct
44	Correct	0 ms	204 KB	Output is correct
45	Correct	0 ms	204 KB	Output is correct
46	Correct	0 ms	284 KB	Output is correct

Subtask #3
0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	268 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	252 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct
41	Correct	0 ms	204 KB	Output is correct
42	Correct	0 ms	204 KB	Output is correct
43	Correct	0 ms	204 KB	Output is correct
44	Correct	0 ms	204 KB	Output is correct
45	Correct	0 ms	204 KB	Output is correct
46	Correct	0 ms	284 KB	Output is correct
47	Runtime error	1 ms	460 KB	Execution killed with signal 11
48	Halted	0 ms	0 KB	-

Submission #488538

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 40.0 / 40.0

Subtask #3 0 / 60.0

Subtask #1
10.0 / 10.0

Subtask #2
40.0 / 40.0

Subtask #3
0 / 60.0