oj.uz

Submission #491087

# Submission time Handle Problem Language Result Execution time Memory
491087 2021-11-30T13:27:49 Z rainboy Tenis (COI19_tenis) C
39 / 100
 78 ms 9232 KB 
#include <stdio.h>
#include <string.h>

#define N	100000
#define N_	(1 << 17)	/* N_ = pow2(ceil(log2(N))) */

long long sum[N_ * 2], pref[N_ * 2]; int ii[N_], n_;

void pul(int i) {
	int l = i << 1, r = l | 1;

	sum[i] = sum[l] + sum[r];
	if (pref[l] <= sum[l] + pref[r])
		pref[i] = pref[l], ii[i] = ii[l];
	else
		pref[i] = sum[l] + pref[r], ii[i] = ii[r];
}

void build(int *aa, int *yy, int *zz, int n) {
	int i;

	n_ = 1;
	while (n_ < n)
		n_ <<= 1;
	for (i = 0; i < n_; i++)
		pref[n_ + i] = sum[n_ + i] = i < n ? yy[aa[i]] + zz[aa[i]] - i * 2 : 0, ii[n_ + i] = i;
	for (i = n_ - 1; i > 0; i--)
		pul(i);
}

void update(int i, int x) {
	i += n_;
	pref[i] = sum[i] = x;
	while (i > 1)
		pul(i >>= 1);
}

int main() {
	static int aa[N], xx[N], yy[N], zz[N];
	int n, q, i, j, a, b;

	scanf("%d%d", &n, &q);
	for (i = 0; i < n; i++) {
		scanf("%d", &aa[i]), aa[i]--;
		xx[aa[i]] = i;
	}
	for (i = 0; i < n; i++) {
		scanf("%d", &a), a--;
		yy[a] = i;
	}
	for (i = 0; i < n; i++) {
		scanf("%d", &a), a--;
		zz[a] = i;
	}
	build(aa, yy, zz, n);
	while (q--) {
		int t;

		scanf("%d", &t);
		if (t == 1) {
			scanf("%d", &a), a--;
			printf(xx[a] <= ii[1] ? "DA\n" : "NE\n");
		} else {
			int tmp;

			scanf("%d%d%d", &t, &a, &b), a--, b--;
			if (t == 1) {
				i = xx[a], j = xx[b];
				xx[a] = j, xx[b] = i;
				update(xx[a], yy[a] + zz[a] - xx[a] * 2), update(xx[b], yy[b] + zz[b] - xx[b] * 2);
			} else if (t == 2) {
				tmp = yy[a], yy[a] = yy[b], yy[b] = tmp;
				update(xx[a], yy[a] + zz[a] - xx[a] * 2), update(xx[b], yy[b] + zz[b] - xx[b] * 2);
			} else {
				tmp = zz[a], zz[a] = zz[b], zz[b] = tmp;
				update(xx[a], yy[a] + zz[a] - xx[a] * 2), update(xx[b], yy[b] + zz[b] - xx[b] * 2);
			}
		}
	}
	return 0;
}

Compilation message

tenis.c: In function 'main':
tenis.c:42:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |  scanf("%d%d", &n, &q);
      |  ^~~~~~~~~~~~~~~~~~~~~
tenis.c:44:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |   scanf("%d", &aa[i]), aa[i]--;
      |   ^~~~~~~~~~~~~~~~~~~
tenis.c:48:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |   scanf("%d", &a), a--;
      |   ^~~~~~~~~~~~~~~
tenis.c:52:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |   scanf("%d", &a), a--;
      |   ^~~~~~~~~~~~~~~
tenis.c:59:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |   scanf("%d", &t);
      |   ^~~~~~~~~~~~~~~
tenis.c:61:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |    scanf("%d", &a), a--;
      |    ^~~~~~~~~~~~~~~
tenis.c:66:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |    scanf("%d%d%d", &t, &a, &b), a--, b--;
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# 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 204 KB Output is correct

Subtask #2
11.0 / 11.0

# 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 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 332 KB Output is correct

Subtask #3
0 / 12.0

# 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 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 36 ms 8120 KB Output is correct
14 Correct 37 ms 8208 KB Output is correct
15 Correct 33 ms 8088 KB Output is correct
16 Correct 34 ms 8096 KB Output is correct
17 Correct 34 ms 8088 KB Output is correct
18 Correct 32 ms 8148 KB Output is correct
19 Incorrect 33 ms 8092 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 9116 KB Output is correct
2 Correct 61 ms 9132 KB Output is correct
3 Correct 61 ms 9232 KB Output is correct
4 Correct 55 ms 9120 KB Output is correct
5 Correct 62 ms 9104 KB Output is correct
6 Correct 78 ms 9132 KB Output is correct
7 Correct 62 ms 9180 KB Output is correct
8 Correct 60 ms 9188 KB Output is correct
9 Correct 57 ms 9164 KB Output is correct
10 Correct 55 ms 9152 KB Output is correct
11 Correct 61 ms 9156 KB Output is correct
12 Correct 55 ms 9156 KB Output is correct
13 Correct 76 ms 9232 KB Output is correct
14 Correct 59 ms 9156 KB Output is correct
15 Correct 59 ms 9140 KB Output is correct

Subtask #5
0 / 49.0

# 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 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 36 ms 8120 KB Output is correct
14 Correct 37 ms 8208 KB Output is correct
15 Correct 33 ms 8088 KB Output is correct
16 Correct 34 ms 8096 KB Output is correct
17 Correct 34 ms 8088 KB Output is correct
18 Correct 32 ms 8148 KB Output is correct
19 Incorrect 33 ms 8092 KB Output isn't correct
20 Halted 0 ms 0 KB -