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답안 #367993

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
367993 2021-02-19T08:38:25 Z grt 이상한 기계 (APIO19_strange_device) C++17
100 / 100
 776 ms 42688 KB 
#include <bits/stdc++.h>
#define PB push_back
#define ST first
#define ND second

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

using namespace std;
using ll = long long;
using pi = pair<int, int>;
using vi = vector<int>;

const ll INF = 1e18 + 10;
int n;
ll a, b;
vector<pair<ll,int>>p;

ll mul(ll aa, ll ba) {
	if(ba == 0) return 0LL;
	if(ba & 1) {
		return min(INF, 2 * mul(aa, ba/2) + aa);
	} else {
		return min(INF, 2 * mul(aa, ba/2));
	}
}


int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> a >> b;
	ll g = __gcd(a, b + 1);
	a /= g;
	ll mod = mul(a, b);
	
	for(int i = 1; i <= n; ++i) {
		ll l, r;
		cin >> l >> r;
		if(r - l + 1 >= mod) {
			p.PB({0,1});
			p.PB({mod,-1});
		} else {
			if(l % (mod) <= r % (mod)) {
				p.PB({l % (mod), 1});
				p.PB({(r % (mod)) + 1, -1});
			} else {
				p.PB({(l % (mod)), 1});
				p.PB({mod, -1});
				p.PB({0, 1});
				p.PB({r % (mod) + 1, -1});
			}
		}
	}
	sort(p.begin(), p.end());
	ll ans = 0;
	int cnt = 0;
	ll pr = 0;
	for(auto it : p) {
		if(cnt > 0) ans += it.ST - pr;
		cnt += it.ND;
		pr = it.ST;
	}
	cout << ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 8 ms 1392 KB Output is correct
3 Correct 7 ms 1392 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 6 ms 1392 KB Output is correct
17 Correct 68 ms 7268 KB Output is correct
18 Correct 1 ms 364 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 406 ms 33596 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 599 ms 41084 KB Output is correct
3 Correct 616 ms 41276 KB Output is correct
4 Correct 593 ms 41180 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 599 ms 41084 KB Output is correct
3 Correct 616 ms 41276 KB Output is correct
4 Correct 593 ms 41180 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 606 ms 41184 KB Output is correct
7 Correct 586 ms 41336 KB Output is correct
8 Correct 616 ms 33596 KB Output is correct
9 Correct 698 ms 33596 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 599 ms 41084 KB Output is correct
3 Correct 616 ms 41276 KB Output is correct
4 Correct 593 ms 41180 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 60 ms 7344 KB Output is correct
7 Correct 62 ms 7268 KB Output is correct
8 Correct 58 ms 7268 KB Output is correct
9 Correct 60 ms 7268 KB Output is correct
10 Correct 58 ms 7268 KB Output is correct
11 Correct 59 ms 7268 KB Output is correct
12 Correct 57 ms 7268 KB Output is correct
13 Correct 63 ms 7268 KB Output is correct
14 Correct 57 ms 7268 KB Output is correct
15 Correct 66 ms 7268 KB Output is correct
16 Correct 65 ms 7268 KB Output is correct
17 Correct 69 ms 7268 KB Output is correct
18 Correct 599 ms 33596 KB Output is correct
19 Correct 571 ms 33596 KB Output is correct
20 Correct 715 ms 39612 KB Output is correct
21 Correct 66 ms 7452 KB Output is correct
22 Correct 52 ms 7268 KB Output is correct
23 Correct 161 ms 22992 KB Output is correct

Subtask #7
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 62 ms 7268 KB Output is correct
3 Correct 64 ms 7268 KB Output is correct
4 Correct 732 ms 38716 KB Output is correct
5 Correct 65 ms 7308 KB Output is correct
6 Correct 66 ms 7412 KB Output is correct
7 Correct 63 ms 7268 KB Output is correct
8 Correct 68 ms 7392 KB Output is correct
9 Correct 62 ms 7268 KB Output is correct
10 Correct 68 ms 7268 KB Output is correct
11 Correct 65 ms 7468 KB Output is correct
12 Correct 67 ms 7396 KB Output is correct
13 Correct 66 ms 7268 KB Output is correct
14 Correct 699 ms 38192 KB Output is correct
15 Correct 72 ms 7388 KB Output is correct
16 Correct 589 ms 38232 KB Output is correct
17 Correct 587 ms 38352 KB Output is correct
18 Correct 1 ms 364 KB Output is correct

Subtask #8
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 8 ms 1392 KB Output is correct
3 Correct 7 ms 1392 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 6 ms 1392 KB Output is correct
17 Correct 68 ms 7268 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 406 ms 33596 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 599 ms 41084 KB Output is correct
31 Correct 616 ms 41276 KB Output is correct
32 Correct 593 ms 41180 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 606 ms 41184 KB Output is correct
35 Correct 586 ms 41336 KB Output is correct
36 Correct 616 ms 33596 KB Output is correct
37 Correct 698 ms 33596 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 60 ms 7344 KB Output is correct
40 Correct 62 ms 7268 KB Output is correct
41 Correct 58 ms 7268 KB Output is correct
42 Correct 60 ms 7268 KB Output is correct
43 Correct 58 ms 7268 KB Output is correct
44 Correct 59 ms 7268 KB Output is correct
45 Correct 57 ms 7268 KB Output is correct
46 Correct 63 ms 7268 KB Output is correct
47 Correct 57 ms 7268 KB Output is correct
48 Correct 66 ms 7268 KB Output is correct
49 Correct 65 ms 7268 KB Output is correct
50 Correct 69 ms 7268 KB Output is correct
51 Correct 599 ms 33596 KB Output is correct
52 Correct 571 ms 33596 KB Output is correct
53 Correct 715 ms 39612 KB Output is correct
54 Correct 66 ms 7452 KB Output is correct
55 Correct 52 ms 7268 KB Output is correct
56 Correct 161 ms 22992 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 62 ms 7268 KB Output is correct
59 Correct 64 ms 7268 KB Output is correct
60 Correct 732 ms 38716 KB Output is correct
61 Correct 65 ms 7308 KB Output is correct
62 Correct 66 ms 7412 KB Output is correct
63 Correct 63 ms 7268 KB Output is correct
64 Correct 68 ms 7392 KB Output is correct
65 Correct 62 ms 7268 KB Output is correct
66 Correct 68 ms 7268 KB Output is correct
67 Correct 65 ms 7468 KB Output is correct
68 Correct 67 ms 7396 KB Output is correct
69 Correct 66 ms 7268 KB Output is correct
70 Correct 699 ms 38192 KB Output is correct
71 Correct 72 ms 7388 KB Output is correct
72 Correct 589 ms 38232 KB Output is correct
73 Correct 587 ms 38352 KB Output is correct
74 Correct 1 ms 364 KB Output is correct
75 Correct 1 ms 364 KB Output is correct
76 Correct 1 ms 364 KB Output is correct
77 Correct 1 ms 364 KB Output is correct
78 Correct 1 ms 364 KB Output is correct
79 Correct 6 ms 1392 KB Output is correct
80 Correct 732 ms 42688 KB Output is correct
81 Correct 776 ms 42480 KB Output is correct
82 Correct 684 ms 42584 KB Output is correct
83 Correct 687 ms 42592 KB Output is correct
84 Correct 708 ms 42504 KB Output is correct
85 Correct 697 ms 42520 KB Output is correct
86 Correct 167 ms 26704 KB Output is correct
87 Correct 1 ms 364 KB Output is correct