oj.uz

Submission #587276

# Submission time Handle Problem Language Result Execution time Memory
587276 2022-07-01T14:58:35 Z rainboy Superpozicija (COCI22_superpozicija) C
110 / 110
 36 ms 4732 KB 
#include <stdio.h>
#include <string.h>

#define N	100000

int hh[N * 2], rr[N * 2], iq[1 + N], pq[N * 2], cnt;

int lt(int i, int j) { return rr[i] < rr[j]; }

int p2(int p) {
	return (p *= 2) > cnt ? 0 : (p < cnt && lt(iq[p + 1], iq[p]) ? p + 1 : p);
}

void pq_up(int i) {
	int p, q, j;

	for (p = pq[i]; (q = p / 2) && lt(i, j = iq[q]); p = q)
		iq[pq[j] = p] = j;
	iq[pq[i] = p] = i;
}

void pq_dn(int i) {
	int p, q, j;

	for (p = pq[i]; (q = p2(p)) && lt(j = iq[q], i); p = q)
		iq[pq[j] = p] = j;
	iq[pq[i] = p] = i;
}

void pq_add(int i) {
	pq[i] = ++cnt, pq_up(i);
}

int pq_remove_first() {
	int i = iq[1], j = iq[cnt--];

	if (j != i)
		pq[j] = 1, pq_dn(j);
	pq[i] = 0;
	return i;
}

int main() {
	int t;

	scanf("%d", &t);
	while (t--) {
		static char cc[N * 2 + 1], tt[N];
		static int dd[N * 2];
		int n, h, i, l, r, d;

		scanf("%d%s", &n, cc);
		memset(dd, 0, n * 2 * sizeof *dd);
		memset(hh, -1, n * 2 * sizeof *hh), memset(rr, -1, n * 2 * sizeof *rr);
		for (h = 0; h < n; h++) {
			int l, r;

			scanf("%d%d", &l, &r), l--, r--;
			if (cc[l] == '(' && cc[r] == '(')
				tt[h] = 0, dd[l]++;
			else if (cc[l] == ')' && cc[r] == ')')
				tt[h] = 1, dd[r]--;
			else {
				hh[l] = h, rr[l] = r;
				if (cc[l] == '(')
					tt[h] = 1, dd[r]--;
				else
					tt[h] = 0, dd[l]--;
			}
		}
		memset(pq, 0, n * 2 * sizeof *pq), cnt = 0;
		for (i = 0, d = 0; i < n * 2; i++) {
			if (rr[i] != -1)
				pq_add(i);
			d += dd[i];
			if (d < 0) {
				if (cnt == 0) {
					d = -1;
					break;
				}
				l = pq_remove_first(), h = hh[l], r = rr[l];
				tt[h] ^= 1;
				if (r <= i)
					d += 2;
				else
					d++, dd[r]++;
			}
		}
		if (d != 0)
			printf("-1\n");
		else {
			for (h = 0; h < n; h++)
				printf("%d ", tt[h]);
			printf("\n");
		}
	}
	return 0;
}

Compilation message

Main.c: In function 'main':
Main.c:46:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |  scanf("%d", &t);
      |  ^~~~~~~~~~~~~~~
Main.c:52:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |   scanf("%d%s", &n, cc);
      |   ^~~~~~~~~~~~~~~~~~~~~
Main.c:58:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |    scanf("%d%d", &l, &r), l--, r--;
      |    ^~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 568 KB Output is correct
2 Correct 19 ms 412 KB Output is correct
3 Correct 26 ms 548 KB Output is correct
4 Correct 25 ms 532 KB Output is correct
5 Correct 24 ms 492 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 452 KB Output is correct
2 Correct 15 ms 724 KB Output is correct
3 Correct 14 ms 1128 KB Output is correct
4 Correct 19 ms 1468 KB Output is correct
5 Correct 14 ms 1748 KB Output is correct
6 Correct 10 ms 2480 KB Output is correct
7 Correct 13 ms 2976 KB Output is correct
8 Correct 17 ms 3536 KB Output is correct
9 Correct 18 ms 3916 KB Output is correct
10 Correct 21 ms 4452 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 20 ms 492 KB Output is correct
3 Correct 21 ms 832 KB Output is correct
4 Correct 22 ms 1192 KB Output is correct
5 Correct 24 ms 1596 KB Output is correct
6 Correct 24 ms 1924 KB Output is correct
7 Correct 10 ms 2536 KB Output is correct
8 Correct 18 ms 3156 KB Output is correct
9 Correct 17 ms 3552 KB Output is correct
10 Correct 25 ms 4340 KB Output is correct
11 Correct 29 ms 4684 KB Output is correct

Subtask #4
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 568 KB Output is correct
2 Correct 19 ms 412 KB Output is correct
3 Correct 26 ms 548 KB Output is correct
4 Correct 25 ms 532 KB Output is correct
5 Correct 24 ms 492 KB Output is correct
6 Correct 18 ms 452 KB Output is correct
7 Correct 15 ms 724 KB Output is correct
8 Correct 14 ms 1128 KB Output is correct
9 Correct 19 ms 1468 KB Output is correct
10 Correct 14 ms 1748 KB Output is correct
11 Correct 10 ms 2480 KB Output is correct
12 Correct 13 ms 2976 KB Output is correct
13 Correct 17 ms 3536 KB Output is correct
14 Correct 18 ms 3916 KB Output is correct
15 Correct 21 ms 4452 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 20 ms 492 KB Output is correct
18 Correct 21 ms 832 KB Output is correct
19 Correct 22 ms 1192 KB Output is correct
20 Correct 24 ms 1596 KB Output is correct
21 Correct 24 ms 1924 KB Output is correct
22 Correct 10 ms 2536 KB Output is correct
23 Correct 18 ms 3156 KB Output is correct
24 Correct 17 ms 3552 KB Output is correct
25 Correct 25 ms 4340 KB Output is correct
26 Correct 29 ms 4684 KB Output is correct
27 Correct 28 ms 1236 KB Output is correct
28 Correct 30 ms 1700 KB Output is correct
29 Correct 25 ms 2164 KB Output is correct
30 Correct 36 ms 2588 KB Output is correct
31 Correct 27 ms 2836 KB Output is correct
32 Correct 17 ms 2596 KB Output is correct
33 Correct 23 ms 3220 KB Output is correct
34 Correct 35 ms 3784 KB Output is correct
35 Correct 32 ms 4300 KB Output is correct
36 Correct 35 ms 4732 KB Output is correct