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Submission #256062

# Submission time Handle Problem Language Result Execution time Memory
256062 2020-08-02T09:22:01 Z islingr Fortune Telling 2 (JOI14_fortune_telling2) C++17
100 / 100
 224 ms 6396 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 + 2 * 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 2432 KB Output is correct
2 Correct 2 ms 2432 KB Output is correct
3 Correct 2 ms 2432 KB Output is correct
4 Correct 2 ms 2432 KB Output is correct
5 Correct 3 ms 2432 KB Output is correct
6 Correct 2 ms 2432 KB Output is correct
7 Correct 4 ms 2432 KB Output is correct
8 Correct 3 ms 2432 KB Output is correct
9 Correct 2 ms 2432 KB Output is correct
10 Correct 2 ms 2432 KB Output is correct
11 Correct 3 ms 2432 KB Output is correct
12 Correct 2 ms 2432 KB Output is correct
13 Correct 3 ms 2432 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2432 KB Output is correct
2 Correct 2 ms 2432 KB Output is correct
3 Correct 2 ms 2432 KB Output is correct
4 Correct 2 ms 2432 KB Output is correct
5 Correct 3 ms 2432 KB Output is correct
6 Correct 2 ms 2432 KB Output is correct
7 Correct 4 ms 2432 KB Output is correct
8 Correct 3 ms 2432 KB Output is correct
9 Correct 2 ms 2432 KB Output is correct
10 Correct 2 ms 2432 KB Output is correct
11 Correct 3 ms 2432 KB Output is correct
12 Correct 2 ms 2432 KB Output is correct
13 Correct 3 ms 2432 KB Output is correct
14 Correct 10 ms 2584 KB Output is correct
15 Correct 19 ms 2816 KB Output is correct
16 Correct 28 ms 2944 KB Output is correct
17 Correct 38 ms 3192 KB Output is correct
18 Correct 37 ms 3064 KB Output is correct
19 Correct 38 ms 3200 KB Output is correct
20 Correct 43 ms 3192 KB Output is correct
21 Correct 36 ms 3192 KB Output is correct
22 Correct 29 ms 3200 KB Output is correct
23 Correct 30 ms 3192 KB Output is correct
24 Correct 31 ms 3200 KB Output is correct
25 Correct 27 ms 3200 KB Output is correct
26 Correct 32 ms 3072 KB Output is correct
27 Correct 45 ms 3320 KB Output is correct
28 Correct 35 ms 3200 KB Output is correct
29 Correct 36 ms 3192 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2432 KB Output is correct
2 Correct 2 ms 2432 KB Output is correct
3 Correct 2 ms 2432 KB Output is correct
4 Correct 2 ms 2432 KB Output is correct
5 Correct 3 ms 2432 KB Output is correct
6 Correct 2 ms 2432 KB Output is correct
7 Correct 4 ms 2432 KB Output is correct
8 Correct 3 ms 2432 KB Output is correct
9 Correct 2 ms 2432 KB Output is correct
10 Correct 2 ms 2432 KB Output is correct
11 Correct 3 ms 2432 KB Output is correct
12 Correct 2 ms 2432 KB Output is correct
13 Correct 3 ms 2432 KB Output is correct
14 Correct 10 ms 2584 KB Output is correct
15 Correct 19 ms 2816 KB Output is correct
16 Correct 28 ms 2944 KB Output is correct
17 Correct 38 ms 3192 KB Output is correct
18 Correct 37 ms 3064 KB Output is correct
19 Correct 38 ms 3200 KB Output is correct
20 Correct 43 ms 3192 KB Output is correct
21 Correct 36 ms 3192 KB Output is correct
22 Correct 29 ms 3200 KB Output is correct
23 Correct 30 ms 3192 KB Output is correct
24 Correct 31 ms 3200 KB Output is correct
25 Correct 27 ms 3200 KB Output is correct
26 Correct 32 ms 3072 KB Output is correct
27 Correct 45 ms 3320 KB Output is correct
28 Correct 35 ms 3200 KB Output is correct
29 Correct 36 ms 3192 KB Output is correct
30 Correct 101 ms 4600 KB Output is correct
31 Correct 118 ms 4984 KB Output is correct
32 Correct 158 ms 5496 KB Output is correct
33 Correct 201 ms 6136 KB Output is correct
34 Correct 94 ms 4600 KB Output is correct
35 Correct 209 ms 6136 KB Output is correct
36 Correct 210 ms 6232 KB Output is correct
37 Correct 211 ms 6136 KB Output is correct
38 Correct 208 ms 6136 KB Output is correct
39 Correct 209 ms 6264 KB Output is correct
40 Correct 182 ms 6136 KB Output is correct
41 Correct 224 ms 6136 KB Output is correct
42 Correct 216 ms 6236 KB Output is correct
43 Correct 161 ms 6132 KB Output is correct
44 Correct 163 ms 6264 KB Output is correct
45 Correct 190 ms 6396 KB Output is correct
46 Correct 170 ms 6136 KB Output is correct
47 Correct 180 ms 6264 KB Output is correct
48 Correct 200 ms 6264 KB Output is correct
49 Correct 180 ms 6136 KB Output is correct