oj.uz

Submission #256060

# Submission time Handle Problem Language Result Execution time Memory
256060 2020-08-02T09:21:17 Z islingr Fortune Telling 2 (JOI14_fortune_telling2) C++17
35 / 100
 106 ms 4728 KB 
#include <bits/stdc++.h>
using namespace std;

#define rep(i, a, b) for (auto i = (a); i < (b); ++i)

const int N = 1 << 18, inf = 2e9;
int mn[N << 1]; bool s[N << 1];

int q, p, x;
void upd(int v, int l, int r) {
	if (r - l == 1) return mn[v] = x, void(s[v] = 1);
	int m = (l + r) >> 1;
	if (p < m) upd(v << 1, l, m);
	else upd(v << 1|1, m, r);
	mn[v] = min(mn[v << 1], mn[v << 1|1]);
	s[v] = s[v << 1] ^ s[v << 1|1];
}
void upd(int a, int b) { p = a; x = b; upd(1, 0, q); }

int find(int v, int l, int r) {
	if (x <= mn[v]) return 0;
	if (r - l == 1) return r;
	int m = (l + r) >> 1;
	int res = find(v << 1|1, m, r);
	if (res) return res;
	return find(v << 1, l, m);
}
int find(int a) { x = a; return find(1, 0, q); }

int lo, hi;
bool sum(int v, int l, int r) {
	if (hi <= l || r <= lo) return 0;
	if (lo <= l && r <= hi) return s[v];
	int m = (l + r) >> 1;
	return sum(v << 1, l, m) ^ sum(v << 1|1, m, r);
}
bool sum(int l, int r) { lo = l; hi = r; return sum(1, 0, q); }

array<int, 2> a[N];
int t[N], ord[N];

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	fill(mn, mn + N, inf);
	int n; cin >> n >> q;
	rep(i, 0, n) cin >> a[i][0] >> a[i][1];
	rep(i, 0, q) cin >> t[i], ord[i] = i;
	sort(a, a + n, [](const auto &x, const auto &y) { return min(x[0], x[1]) > min(y[0], y[1]); });
	sort(ord, ord + q, [&](int x, int y) { return t[x] > t[y]; });
	int64_t ans = 0;
	for (int i = 0, j = 0; i < n; ++i) {
		bool b = 0; if (a[i][0] < a[i][1]) swap(a[i][0], a[i][1]), b = 1;
		while (j < q && a[i][1] <= t[ord[j]]) upd(ord[j], t[ord[j]]), ++j;
		int p = find(a[i][0]);
		ans += a[i][(!p && b) ^ sum(p, q)];
	}
	cout << ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1408 KB Output is correct
2 Correct 2 ms 1408 KB Output is correct
3 Correct 3 ms 1408 KB Output is correct
4 Correct 2 ms 1408 KB Output is correct
5 Correct 2 ms 1408 KB Output is correct
6 Correct 2 ms 1408 KB Output is correct
7 Correct 2 ms 1408 KB Output is correct
8 Correct 2 ms 1408 KB Output is correct
9 Correct 3 ms 1408 KB Output is correct
10 Correct 2 ms 1408 KB Output is correct
11 Correct 2 ms 1408 KB Output is correct
12 Correct 2 ms 1408 KB Output is correct
13 Correct 3 ms 1408 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1408 KB Output is correct
2 Correct 2 ms 1408 KB Output is correct
3 Correct 3 ms 1408 KB Output is correct
4 Correct 2 ms 1408 KB Output is correct
5 Correct 2 ms 1408 KB Output is correct
6 Correct 2 ms 1408 KB Output is correct
7 Correct 2 ms 1408 KB Output is correct
8 Correct 2 ms 1408 KB Output is correct
9 Correct 3 ms 1408 KB Output is correct
10 Correct 2 ms 1408 KB Output is correct
11 Correct 2 ms 1408 KB Output is correct
12 Correct 2 ms 1408 KB Output is correct
13 Correct 3 ms 1408 KB Output is correct
14 Correct 15 ms 1708 KB Output is correct
15 Correct 31 ms 1920 KB Output is correct
16 Correct 28 ms 2048 KB Output is correct
17 Correct 39 ms 2296 KB Output is correct
18 Correct 59 ms 2296 KB Output is correct
19 Correct 50 ms 2356 KB Output is correct
20 Correct 40 ms 2304 KB Output is correct
21 Correct 56 ms 2428 KB Output is correct
22 Correct 29 ms 2304 KB Output is correct
23 Correct 31 ms 2304 KB Output is correct
24 Correct 50 ms 2296 KB Output is correct
25 Correct 29 ms 2304 KB Output is correct
26 Correct 32 ms 2304 KB Output is correct
27 Correct 41 ms 2296 KB Output is correct
28 Correct 39 ms 2320 KB Output is correct
29 Correct 39 ms 2296 KB Output is correct

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1408 KB Output is correct
2 Correct 2 ms 1408 KB Output is correct
3 Correct 3 ms 1408 KB Output is correct
4 Correct 2 ms 1408 KB Output is correct
5 Correct 2 ms 1408 KB Output is correct
6 Correct 2 ms 1408 KB Output is correct
7 Correct 2 ms 1408 KB Output is correct
8 Correct 2 ms 1408 KB Output is correct
9 Correct 3 ms 1408 KB Output is correct
10 Correct 2 ms 1408 KB Output is correct
11 Correct 2 ms 1408 KB Output is correct
12 Correct 2 ms 1408 KB Output is correct
13 Correct 3 ms 1408 KB Output is correct
14 Correct 15 ms 1708 KB Output is correct
15 Correct 31 ms 1920 KB Output is correct
16 Correct 28 ms 2048 KB Output is correct
17 Correct 39 ms 2296 KB Output is correct
18 Correct 59 ms 2296 KB Output is correct
19 Correct 50 ms 2356 KB Output is correct
20 Correct 40 ms 2304 KB Output is correct
21 Correct 56 ms 2428 KB Output is correct
22 Correct 29 ms 2304 KB Output is correct
23 Correct 31 ms 2304 KB Output is correct
24 Correct 50 ms 2296 KB Output is correct
25 Correct 29 ms 2304 KB Output is correct
26 Correct 32 ms 2304 KB Output is correct
27 Correct 41 ms 2296 KB Output is correct
28 Correct 39 ms 2320 KB Output is correct
29 Correct 39 ms 2296 KB Output is correct
30 Incorrect 106 ms 4728 KB Output isn't correct
31 Halted 0 ms 0 KB -