oj.uz

답안 #677775

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
677775 2023-01-04T11:02:29 Z parsadox2 이상한 기계 (APIO19_strange_device) C++14
100 / 100
 864 ms 115796 KB 
#include <bits/stdc++.h>
#define pb 		push_back
#define F		first
#define S 		second
#define debug(x)    cout << #x << "= " << x << ", "
#define ll 		long long
#define fast 		ios::sync_with_stdio(false), cin.tie(0),  cout.tie(0)
#define SZ(x)         (int) x.size()
#define int long long 
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int maxn = 1e6 + 10 , inf = 1e18;
int n , A , B , l[maxn] , r[maxn];
set <pair <int , int> > st;
int gcd(int a , int b)
{
	if(b == 0)
		return a;
	return gcd(b , a % b);
}

void add (int L , int R)
{
	if(st.empty())
	{
		st.insert(make_pair(L , R));
		return;
	}
	auto it = st.upper_bound({L , L});
	if(it != st.begin())
		it--;
	auto v = *it;
	if(v.S < L)
		it++;
	if(it == st.end())
	{
		st.insert({L , R});
		return;
	}
	auto u = *it;
	L = min(u.F , L);
	vector <pair <int, int>> vec;
	while(u.F <= R)
	{
		vec.pb(u);
		it++;
		if(it == st.end())
			break;
		u = *it;
	}
	if(!vec.empty())
	{
		R = max(R , vec.back().S);
	}
	for(auto u : vec)
		st.erase(u);
	st.insert({L , R});
}

int32_t main()
{
	fast;
	cin >> n >> A >> B;
	int S = 0;
	for(int i = 0 ; i < n ; i++)
	{
		cin >> l[i] >> r[i];
		S += r[i] - l[i] + 1;
	}
	int g = gcd(A , B + 1);
	A /= g;
	if(inf / A < B)
	{
		cout << S << endl;
		return 0;
	}
	A *= B;
	for(int i = 0 ; i < n ; i++)
	{
		int tmp = l[i] / A;
		tmp = tmp * A;
		l[i] -= tmp;
		r[i] -= tmp;
		add(l[i] , min(r[i] , A - 1));
		if(r[i] >= A)
		{
			r[i] -= A;
			add(0 , min(A - 1 , r[i]));
		}
	}
	int ans = 0;
	for(auto u : st)
	{
		ans += u.S - u.F + 1;
	}
	cout << ans << endl;
	return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 6 ms 1392 KB Output is correct
3 Correct 7 ms 1420 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 6 ms 1364 KB Output is correct
17 Correct 63 ms 11872 KB Output is correct
18 Correct 1 ms 336 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 388 KB Output is correct
5 Correct 289 ms 16692 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 769 ms 81680 KB Output is correct
3 Correct 704 ms 93524 KB Output is correct
4 Correct 837 ms 101744 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 769 ms 81680 KB Output is correct
3 Correct 704 ms 93524 KB Output is correct
4 Correct 837 ms 101744 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 675 ms 101684 KB Output is correct
7 Correct 736 ms 101964 KB Output is correct
8 Correct 719 ms 101800 KB Output is correct
9 Correct 854 ms 115728 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 769 ms 81680 KB Output is correct
3 Correct 704 ms 93524 KB Output is correct
4 Correct 837 ms 101744 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 57 ms 11748 KB Output is correct
7 Correct 61 ms 11808 KB Output is correct
8 Correct 62 ms 11788 KB Output is correct
9 Correct 68 ms 11860 KB Output is correct
10 Correct 67 ms 11772 KB Output is correct
11 Correct 58 ms 11824 KB Output is correct
12 Correct 67 ms 11840 KB Output is correct
13 Correct 69 ms 11764 KB Output is correct
14 Correct 70 ms 11780 KB Output is correct
15 Correct 76 ms 11768 KB Output is correct
16 Correct 88 ms 11864 KB Output is correct
17 Correct 68 ms 11764 KB Output is correct
18 Correct 658 ms 115580 KB Output is correct
19 Correct 735 ms 102380 KB Output is correct
20 Correct 821 ms 115688 KB Output is correct
21 Correct 59 ms 11820 KB Output is correct
22 Correct 67 ms 11744 KB Output is correct
23 Correct 127 ms 18304 KB Output is correct

Subtask #7
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 76 ms 11712 KB Output is correct
3 Correct 69 ms 11828 KB Output is correct
4 Correct 767 ms 115624 KB Output is correct
5 Correct 72 ms 11848 KB Output is correct
6 Correct 75 ms 11788 KB Output is correct
7 Correct 90 ms 11836 KB Output is correct
8 Correct 73 ms 11852 KB Output is correct
9 Correct 70 ms 11864 KB Output is correct
10 Correct 63 ms 11932 KB Output is correct
11 Correct 66 ms 11832 KB Output is correct
12 Correct 80 ms 11772 KB Output is correct
13 Correct 74 ms 11752 KB Output is correct
14 Correct 778 ms 115616 KB Output is correct
15 Correct 56 ms 11192 KB Output is correct
16 Correct 698 ms 115656 KB Output is correct
17 Correct 689 ms 115596 KB Output is correct
18 Correct 0 ms 340 KB Output is correct

Subtask #8
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 6 ms 1392 KB Output is correct
3 Correct 7 ms 1420 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 6 ms 1364 KB Output is correct
17 Correct 63 ms 11872 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 388 KB Output is correct
28 Correct 289 ms 16692 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 769 ms 81680 KB Output is correct
31 Correct 704 ms 93524 KB Output is correct
32 Correct 837 ms 101744 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 675 ms 101684 KB Output is correct
35 Correct 736 ms 101964 KB Output is correct
36 Correct 719 ms 101800 KB Output is correct
37 Correct 854 ms 115728 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 57 ms 11748 KB Output is correct
40 Correct 61 ms 11808 KB Output is correct
41 Correct 62 ms 11788 KB Output is correct
42 Correct 68 ms 11860 KB Output is correct
43 Correct 67 ms 11772 KB Output is correct
44 Correct 58 ms 11824 KB Output is correct
45 Correct 67 ms 11840 KB Output is correct
46 Correct 69 ms 11764 KB Output is correct
47 Correct 70 ms 11780 KB Output is correct
48 Correct 76 ms 11768 KB Output is correct
49 Correct 88 ms 11864 KB Output is correct
50 Correct 68 ms 11764 KB Output is correct
51 Correct 658 ms 115580 KB Output is correct
52 Correct 735 ms 102380 KB Output is correct
53 Correct 821 ms 115688 KB Output is correct
54 Correct 59 ms 11820 KB Output is correct
55 Correct 67 ms 11744 KB Output is correct
56 Correct 127 ms 18304 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 76 ms 11712 KB Output is correct
59 Correct 69 ms 11828 KB Output is correct
60 Correct 767 ms 115624 KB Output is correct
61 Correct 72 ms 11848 KB Output is correct
62 Correct 75 ms 11788 KB Output is correct
63 Correct 90 ms 11836 KB Output is correct
64 Correct 73 ms 11852 KB Output is correct
65 Correct 70 ms 11864 KB Output is correct
66 Correct 63 ms 11932 KB Output is correct
67 Correct 66 ms 11832 KB Output is correct
68 Correct 80 ms 11772 KB Output is correct
69 Correct 74 ms 11752 KB Output is correct
70 Correct 778 ms 115616 KB Output is correct
71 Correct 56 ms 11192 KB Output is correct
72 Correct 698 ms 115656 KB Output is correct
73 Correct 689 ms 115596 KB Output is correct
74 Correct 0 ms 340 KB Output is correct
75 Correct 1 ms 340 KB Output is correct
76 Correct 0 ms 340 KB Output is correct
77 Correct 1 ms 340 KB Output is correct
78 Correct 0 ms 332 KB Output is correct
79 Correct 6 ms 1380 KB Output is correct
80 Correct 764 ms 115676 KB Output is correct
81 Correct 769 ms 115640 KB Output is correct
82 Correct 841 ms 115796 KB Output is correct
83 Correct 843 ms 115476 KB Output is correct
84 Correct 864 ms 115676 KB Output is correct
85 Correct 760 ms 108460 KB Output is correct
86 Correct 142 ms 18084 KB Output is correct
87 Correct 0 ms 340 KB Output is correct