oj.uz

답안 #916418

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
916418 2024-01-25T20:17:06 Z EJIC_B_KEDAX Modern Machine (JOI23_ho_t5) C++17
36 / 100
 3000 ms 18272 KB 
#include <bits/stdc++.h>

#define x first
#define y second

using ll = long long;

using namespace std;

const int N = 1 << 17, M = 1 << 17, A = 11;
int st[2 * N], lazy[2 * N], a[N], b[M], st1[3 * M][A], fre = 3 * M - 2;

void build() {
	for (int i = N - 1; i < 2 * N - 1; i++) {
		st[i] = a[i - N + 1];
		lazy[i] = -1;
	}
	for (int i = N - 2; i >= 0; i--) {
		st[i] = st[2 * i + 1] + st[2 * i + 2];
		lazy[i] = -1;
	}
}

void update_seg(int l, int r, int v, int l1 = 0, int r1 = N - 1, int i = 0) {
	if (l1 >= l && r1 <= r) {
		st[i] = v * (r1 - l1 + 1);
		lazy[i] = v;
		return;
	}
	if (l1 > r || r1 < l) {
		return;
	}
	if (lazy[i] != -1) {
		st[2 * i + 1] = lazy[i] * (r1 - l1 + 1) / 2;
		st[2 * i + 2] = lazy[i] * (r1 - l1 + 1) / 2;
		lazy[2 * i + 1] = lazy[i];
		lazy[2 * i + 2] = lazy[i];
		lazy[i] = -1;
	}
	update_seg(l, r, v, l1, (l1 + r1) / 2, 2 * i + 1);
	update_seg(l, r, v, (l1 + r1) / 2 + 1, r1, 2 * i + 2);
	st[i] = st[2 * i + 1] + st[2 * i + 2];
}

int get_sum(int l, int r, int l1 = 0, int r1 = N - 1, int i = 0) {
	if (l1 >= l && r1 <= r) {
		return st[i];
	}
	if (l1 > r || r1 < l) {
		return 0;
	}
	if (lazy[i] != -1) {
		st[2 * i + 1] = lazy[i] * (r1 - l1 + 1) / 2;
		st[2 * i + 2] = lazy[i] * (r1 - l1 + 1) / 2;
		lazy[2 * i + 1] = lazy[i];
		lazy[2 * i + 2] = lazy[i];
		lazy[i] = -1;
	}
	return get_sum(l, r, l1, (l1 + r1) / 2, 2 * i + 1) + get_sum(l, r, (l1 + r1) / 2 + 1, r1, 2 * i + 2);
}

int down_l(int l, int r, int s, int l1 = 0, int r1 = N - 1, int i = 0) {
	if (l1 > r || r1 < l) {
		return -1;
	}
	if (s > st[i] || s < 0) {
		return -1;
	}
	if (l1 == r1 && s == st[i] && l1 >= l && r1 <= r) {
		return l1;
	} else if (l1 == r1) {
		return -1;
	}
	if (lazy[i] != -1) {
		st[2 * i + 1] = lazy[i] * (r1 - l1 + 1) / 2;
		st[2 * i + 2] = lazy[i] * (r1 - l1 + 1) / 2;
		lazy[2 * i + 1] = lazy[i];
		lazy[2 * i + 2] = lazy[i];
		lazy[i] = -1;
	}
	int v = get_sum(max(l, (l1 + r1) / 2 + 1), min(r, r1));
	int left = down_l(l, r, s - v, l1, (l1 + r1) / 2, 2 * i + 1);
	if (left == -1) {
		return down_l(l, r, s, (l1 + r1) / 2 + 1, r1, 2 * i + 2);
	}
	return left;
}

int down_r(int l, int r, int s, int l1 = 0, int r1 = N - 1, int i = 0) {
	if (l1 > r || r1 < l) {
		return -1;
	}
	if (s > r1 - l1 + 1 - st[i] || s < 0) {
		return -1;
	}
	if (l1 == r1 && s == 1 - st[i] && l1 >= l && r1 <= r) {
		return l1;
	} else if (l1 == r1) {
		return -1;
	}
	if (lazy[i] != -1) {
		st[2 * i + 1] = lazy[i] * (r1 - l1 + 1) / 2;
		st[2 * i + 2] = lazy[i] * (r1 - l1 + 1) / 2;
		lazy[2 * i + 1] = lazy[i];
		lazy[2 * i + 2] = lazy[i];
		lazy[i] = -1;
	}
	int v = max(min(r, (l1 + r1) / 2) - max(l, l1) + 1 - get_sum(max(l, l1), min(r, (l1 + r1) / 2)), 0);
	int right = down_r(l, r, s - v, (l1 + r1) / 2 + 1, r1, 2 * i + 2);
	if (right == -1) {
		return down_r(l, r, s, l1, (l1 + r1) / 2, 2 * i + 1);
	}
	return right;
}

void merge(int to, int a, int b) {
	for (int i = 0; i < A; i++) {
		st1[to][i] = st1[b][st1[a][i]];
	}
}

int get_ans(int l, int r, int l1 = 0, int r1 = M - 1, int i = 0) {
	if (l1 > r || r1 < l) {
		return 3 * M - 1;
	}
	if (l1 >= l && r1 <= r) {
		for (int j = 0; j < A; j++) {
			st1[fre][j] = st1[i][j];
		}
		return fre--;
	}
	int ans = fre--;
	merge(ans, get_ans(l, r, l1, (l1 + r1) / 2, 2 * i + 1), get_ans(l, r, (l1 + r1) / 2 + 1, r1, 2 * i + 2));
	return ans;
}

int32_t main() {
	int n, m;
	for (int i = 0; i < A; i++) {
		st1[3 * M - 1][i] = i;
	}
	cin >> n >> m;
	int sum = 0;
	string as;
	cin >> as;
	for (int i = 0; i < n; i++) {
		a[i] = as[i] == 'B' ? 0 : 1;
		sum += a[i];
	}
	for (int i = 0; i < m; i++) {
		cin >> b[i]; b[i]--;
	}
	// cout << "!!\n";
	int q;
	cin >> q;
	if (n != 10 || sum != 10) {
		while (q--) {
			int l, r;
			cin >> l >> r; l--; r--;
			build();
			// cout << "!\n";
			for (int i = l; i <= r; i++) {
				int sl = get_sum(0, b[i] - 1), sr = n - b[i] - 1 - get_sum(b[i] + 1, n - 1);
				// cout << sl << ' ' << sr << '\n';
				if (sl < sr) {
					int gr = down_r(b[i] + 1, n - 1, sl + 1);
					// cout << "! " << gr << '\n';
					update_seg(0, gr, 1);
				} else {
					int gr = down_l(0, b[i] - 1, sr);
					// cout << "! " << gr << '\n';
					if (gr == -1) {
						gr = b[i];
					}
					update_seg(gr, n - 1, 0);
				}
			}
			cout << st[0] << '\n';
		}
	} else {
		int pr[A][A];
		build();
		for (int i = 0; i < n; i++) {
			update_seg(0, n - 1, 0);
			for (int j = 0; j < A; j++) {
				update_seg(0, j - 1, 1);
				int sl = get_sum(0, i - 1), sr = n - i - 1 - get_sum(i + 1, n - 1);
				if (sl < sr) {
					int gr = down_r(i + 1, n - 1, sl + 1);
					pr[i][j] = max(gr + 1, j);
				} else {
					int gr = down_l(0, i - 1, sr);
					if (gr == -1) {
						gr = i;
					}
					pr[i][j] = min(gr, j);
				}
				// cout << pr[i][j] << ' ';
			}
			// cout << '\n';
		}
		for (int i = M - 1; i < 2 * M - 1; i++) {
			if (i - M + 1 < m) {
				for (int j = 0; j < A; j++) {
					st1[i][j] = pr[b[i - M + 1]][j];
				}
			} else {
				for (int j = 0; j < A; j++) {
					st1[i][j] = j;
				}
			}
		}
		for (int i = M - 2; i >= 0; i--) {
			merge(i, 2 * i + 1, 2 * i + 2);
		}
		while (q--) {
			int l, r;
			cin >> l >> r; l--; r--;
			fre = 3 * M - 2;
			cout << st1[get_ans(l, r)][10] << '\n';
		}
	}
}

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 3676 KB Output is correct
2 Correct 1 ms 3676 KB Output is correct
3 Correct 1 ms 3676 KB Output is correct
4 Correct 1 ms 3676 KB Output is correct
5 Correct 2 ms 3684 KB Output is correct
6 Correct 1 ms 3676 KB Output is correct
7 Correct 2 ms 3676 KB Output is correct
8 Correct 3 ms 3676 KB Output is correct
9 Correct 1 ms 3676 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 3676 KB Output is correct
2 Correct 1 ms 3676 KB Output is correct
3 Correct 1 ms 3676 KB Output is correct
4 Correct 1 ms 3676 KB Output is correct
5 Correct 2 ms 3684 KB Output is correct
6 Correct 1 ms 3676 KB Output is correct
7 Correct 2 ms 3676 KB Output is correct
8 Correct 3 ms 3676 KB Output is correct
9 Correct 1 ms 3676 KB Output is correct
10 Correct 10 ms 3676 KB Output is correct
11 Correct 8 ms 3676 KB Output is correct
12 Correct 12 ms 3868 KB Output is correct
13 Correct 17 ms 3864 KB Output is correct
14 Correct 14 ms 3676 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 3676 KB Output is correct
2 Correct 1 ms 3676 KB Output is correct
3 Correct 1 ms 3676 KB Output is correct
4 Correct 1 ms 3676 KB Output is correct
5 Correct 2 ms 3684 KB Output is correct
6 Correct 1 ms 3676 KB Output is correct
7 Correct 2 ms 3676 KB Output is correct
8 Correct 3 ms 3676 KB Output is correct
9 Correct 1 ms 3676 KB Output is correct
10 Correct 10 ms 3676 KB Output is correct
11 Correct 8 ms 3676 KB Output is correct
12 Correct 12 ms 3868 KB Output is correct
13 Correct 17 ms 3864 KB Output is correct
14 Correct 14 ms 3676 KB Output is correct
15 Correct 2 ms 3672 KB Output is correct
16 Correct 5 ms 16220 KB Output is correct
17 Correct 2 ms 3676 KB Output is correct
18 Correct 856 ms 4256 KB Output is correct
19 Correct 929 ms 4072 KB Output is correct
20 Correct 1242 ms 4072 KB Output is correct
21 Correct 1235 ms 4068 KB Output is correct
22 Correct 895 ms 4176 KB Output is correct
23 Correct 857 ms 4068 KB Output is correct
24 Correct 833 ms 4328 KB Output is correct
25 Correct 817 ms 4176 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 16220 KB Output is correct
2 Correct 290 ms 16372 KB Output is correct
3 Correct 306 ms 16740 KB Output is correct
4 Correct 296 ms 16464 KB Output is correct
5 Correct 237 ms 17956 KB Output is correct
6 Correct 270 ms 18272 KB Output is correct

Subtask #5
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 16220 KB Output is correct
2 Correct 290 ms 16372 KB Output is correct
3 Correct 306 ms 16740 KB Output is correct
4 Correct 296 ms 16464 KB Output is correct
5 Correct 237 ms 17956 KB Output is correct
6 Correct 270 ms 18272 KB Output is correct
7 Correct 2 ms 3676 KB Output is correct
8 Correct 1 ms 3676 KB Output is correct
9 Correct 2 ms 3676 KB Output is correct
10 Correct 14 ms 3676 KB Output is correct
11 Execution timed out 3062 ms 5076 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 16220 KB Output is correct
2 Correct 290 ms 16372 KB Output is correct
3 Correct 306 ms 16740 KB Output is correct
4 Correct 296 ms 16464 KB Output is correct
5 Correct 237 ms 17956 KB Output is correct
6 Correct 270 ms 18272 KB Output is correct
7 Correct 2 ms 3676 KB Output is correct
8 Correct 2 ms 3676 KB Output is correct
9 Correct 2 ms 3676 KB Output is correct
10 Correct 2 ms 3676 KB Output is correct
11 Correct 3 ms 3676 KB Output is correct
12 Correct 1 ms 3676 KB Output is correct
13 Correct 2 ms 3932 KB Output is correct
14 Correct 2 ms 3676 KB Output is correct
15 Correct 2 ms 3676 KB Output is correct
16 Correct 1 ms 3772 KB Output is correct
17 Correct 11 ms 4124 KB Output is correct
18 Correct 839 ms 4700 KB Output is correct
19 Execution timed out 3037 ms 4948 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #7
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 3676 KB Output is correct
2 Correct 1 ms 3676 KB Output is correct
3 Correct 1 ms 3676 KB Output is correct
4 Correct 1 ms 3676 KB Output is correct
5 Correct 2 ms 3684 KB Output is correct
6 Correct 1 ms 3676 KB Output is correct
7 Correct 2 ms 3676 KB Output is correct
8 Correct 3 ms 3676 KB Output is correct
9 Correct 1 ms 3676 KB Output is correct
10 Correct 10 ms 3676 KB Output is correct
11 Correct 8 ms 3676 KB Output is correct
12 Correct 12 ms 3868 KB Output is correct
13 Correct 17 ms 3864 KB Output is correct
14 Correct 14 ms 3676 KB Output is correct
15 Correct 2 ms 3672 KB Output is correct
16 Correct 5 ms 16220 KB Output is correct
17 Correct 2 ms 3676 KB Output is correct
18 Correct 856 ms 4256 KB Output is correct
19 Correct 929 ms 4072 KB Output is correct
20 Correct 1242 ms 4072 KB Output is correct
21 Correct 1235 ms 4068 KB Output is correct
22 Correct 895 ms 4176 KB Output is correct
23 Correct 857 ms 4068 KB Output is correct
24 Correct 833 ms 4328 KB Output is correct
25 Correct 817 ms 4176 KB Output is correct
26 Correct 5 ms 16220 KB Output is correct
27 Correct 290 ms 16372 KB Output is correct
28 Correct 306 ms 16740 KB Output is correct
29 Correct 296 ms 16464 KB Output is correct
30 Correct 237 ms 17956 KB Output is correct
31 Correct 270 ms 18272 KB Output is correct
32 Correct 2 ms 3676 KB Output is correct
33 Correct 1 ms 3676 KB Output is correct
34 Correct 2 ms 3676 KB Output is correct
35 Correct 14 ms 3676 KB Output is correct
36 Execution timed out 3062 ms 5076 KB Time limit exceeded
37 Halted 0 ms 0 KB -