답안 #677092

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
677092	2023-01-02T08:57:54 Z	amir	이상한 기계 (APIO19_strange_device)	C++17	100 / 100	472 ms	69776 KB

strange_device

#include <bits/stdc++.h>

using namespace std;

typedef long long ll ;
typedef pair<int , int> pii ;
typedef pair<ll , ll> pll ;
#define ps push_back
#define pb pop_back
#define mp make_pair
#define all(x) x.begin() , x.end() 
#define sz(x) (int)x.size() 
#define debug(a) cout<<"debug: "<<(#a)<<" = "<<a<<'\n'
const ll maxn = 1e6 + 6 , MX = 1e18+3 ;
ll A , B , S ;
ll n ;
ll l[maxn] , r[maxn] ;
vector<pair<ll , ll > > v ;


ll Gcd(ll a , ll b){
	if (b > a) swap(a , b) ;
	if (b == 0){
		return a ;
	}
	return Gcd(b , (a%b)) ;
}

void calS(){
	ll G = Gcd(A , B+1) ;
	ll X = (A / G) ;
	if (X > (MX/B)){
		S = MX ;
	}
	else {
		S = (X*B) ;
	}
}


int main()
{
    ios::sync_with_stdio(false) ; 
	cin.tie(NULL) ;
	cout.tie(NULL) ;
	cin >> n >> A >> B ;
	calS() ;
	for (int i = 0 ;i < n;  i++){
		cin >> l[i] >> r[i]  ;
	}
	ll ans = 0 ;
	for (int i = 0 ;i < n ;i++){
		ll len = r[i]-l[i]+1 ;
		if (len >= S){
			cout << S << '\n' ;
			return 0 ;
		}
		ll x = (l[i] % S) ;
		ll y = (r[i] % S) ;
		if (x <= y){
			v.ps(mp(x , y)) ;
		}
		else {
			v.ps(mp(x , S-1)) ;
			v.ps(mp(0 , y)) ;
		}
	}
	sort(all(v)) ;
	for (int i = 0 ;i < sz(v) ; i++){
		int j = i ; 
		pair<ll , ll > a = v[j] ;
		bool flag = true ;
		while(flag && j < sz(v)){
			if (v[j].first <= a.second+1){
				a.second = max(v[j].second , a.second) ;
				j ++ ;
			}
			else{
				flag = false ;
			}
		}
		i = j-1 ;
		ans += (a.second-a.first+1) ;
	}
	cout << ans << '\n' ;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	5 ms	1260 KB	Output is correct
3	Correct	5 ms	1236 KB	Output is correct
4	Correct	0 ms	328 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	324 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	324 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	4 ms	1216 KB	Output is correct
17	Correct	44 ms	7752 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	328 KB	Output is correct

Subtask #3
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	376 KB	Output is correct
5	Correct	303 ms	57712 KB	Output is correct

Subtask #4
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	405 ms	51060 KB	Output is correct
3	Correct	392 ms	69540 KB	Output is correct
4	Correct	400 ms	69556 KB	Output is correct

Subtask #5
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	405 ms	51060 KB	Output is correct
3	Correct	392 ms	69540 KB	Output is correct
4	Correct	400 ms	69556 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	390 ms	69776 KB	Output is correct
7	Correct	391 ms	69596 KB	Output is correct
8	Correct	397 ms	69652 KB	Output is correct
9	Correct	442 ms	69652 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	405 ms	51060 KB	Output is correct
3	Correct	392 ms	69540 KB	Output is correct
4	Correct	400 ms	69556 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	46 ms	7752 KB	Output is correct
7	Correct	42 ms	7756 KB	Output is correct
8	Correct	39 ms	7752 KB	Output is correct
9	Correct	41 ms	7708 KB	Output is correct
10	Correct	44 ms	7820 KB	Output is correct
11	Correct	41 ms	7752 KB	Output is correct
12	Correct	39 ms	7704 KB	Output is correct
13	Correct	41 ms	7784 KB	Output is correct
14	Correct	39 ms	7756 KB	Output is correct
15	Correct	45 ms	7776 KB	Output is correct
16	Correct	44 ms	7880 KB	Output is correct
17	Correct	40 ms	7752 KB	Output is correct
18	Correct	405 ms	69660 KB	Output is correct
19	Correct	407 ms	69688 KB	Output is correct
20	Correct	450 ms	69668 KB	Output is correct
21	Correct	44 ms	7756 KB	Output is correct
22	Correct	38 ms	7800 KB	Output is correct
23	Correct	121 ms	26560 KB	Output is correct

Subtask #7
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	42 ms	7772 KB	Output is correct
3	Correct	42 ms	7732 KB	Output is correct
4	Correct	460 ms	69604 KB	Output is correct
5	Correct	44 ms	7668 KB	Output is correct
6	Correct	42 ms	7808 KB	Output is correct
7	Correct	42 ms	7780 KB	Output is correct
8	Correct	45 ms	7756 KB	Output is correct
9	Correct	40 ms	7784 KB	Output is correct
10	Correct	40 ms	7768 KB	Output is correct
11	Correct	41 ms	7760 KB	Output is correct
12	Correct	39 ms	7720 KB	Output is correct
13	Correct	43 ms	7752 KB	Output is correct
14	Correct	430 ms	69660 KB	Output is correct
15	Correct	42 ms	7816 KB	Output is correct
16	Correct	406 ms	69632 KB	Output is correct
17	Correct	401 ms	69600 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #8
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	5 ms	1260 KB	Output is correct
3	Correct	5 ms	1236 KB	Output is correct
4	Correct	0 ms	328 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	324 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	324 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	4 ms	1216 KB	Output is correct
17	Correct	44 ms	7752 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	324 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	328 KB	Output is correct
24	Correct	0 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	376 KB	Output is correct
28	Correct	303 ms	57712 KB	Output is correct
29	Correct	0 ms	340 KB	Output is correct
30	Correct	405 ms	51060 KB	Output is correct
31	Correct	392 ms	69540 KB	Output is correct
32	Correct	400 ms	69556 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	390 ms	69776 KB	Output is correct
35	Correct	391 ms	69596 KB	Output is correct
36	Correct	397 ms	69652 KB	Output is correct
37	Correct	442 ms	69652 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	46 ms	7752 KB	Output is correct
40	Correct	42 ms	7756 KB	Output is correct
41	Correct	39 ms	7752 KB	Output is correct
42	Correct	41 ms	7708 KB	Output is correct
43	Correct	44 ms	7820 KB	Output is correct
44	Correct	41 ms	7752 KB	Output is correct
45	Correct	39 ms	7704 KB	Output is correct
46	Correct	41 ms	7784 KB	Output is correct
47	Correct	39 ms	7756 KB	Output is correct
48	Correct	45 ms	7776 KB	Output is correct
49	Correct	44 ms	7880 KB	Output is correct
50	Correct	40 ms	7752 KB	Output is correct
51	Correct	405 ms	69660 KB	Output is correct
52	Correct	407 ms	69688 KB	Output is correct
53	Correct	450 ms	69668 KB	Output is correct
54	Correct	44 ms	7756 KB	Output is correct
55	Correct	38 ms	7800 KB	Output is correct
56	Correct	121 ms	26560 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	42 ms	7772 KB	Output is correct
59	Correct	42 ms	7732 KB	Output is correct
60	Correct	460 ms	69604 KB	Output is correct
61	Correct	44 ms	7668 KB	Output is correct
62	Correct	42 ms	7808 KB	Output is correct
63	Correct	42 ms	7780 KB	Output is correct
64	Correct	45 ms	7756 KB	Output is correct
65	Correct	40 ms	7784 KB	Output is correct
66	Correct	40 ms	7768 KB	Output is correct
67	Correct	41 ms	7760 KB	Output is correct
68	Correct	39 ms	7720 KB	Output is correct
69	Correct	43 ms	7752 KB	Output is correct
70	Correct	430 ms	69660 KB	Output is correct
71	Correct	42 ms	7816 KB	Output is correct
72	Correct	406 ms	69632 KB	Output is correct
73	Correct	401 ms	69600 KB	Output is correct
74	Correct	0 ms	212 KB	Output is correct
75	Correct	0 ms	212 KB	Output is correct
76	Correct	0 ms	212 KB	Output is correct
77	Correct	0 ms	212 KB	Output is correct
78	Correct	1 ms	320 KB	Output is correct
79	Correct	4 ms	1244 KB	Output is correct
80	Correct	472 ms	69704 KB	Output is correct
81	Correct	462 ms	69672 KB	Output is correct
82	Correct	428 ms	69492 KB	Output is correct
83	Correct	434 ms	69240 KB	Output is correct
84	Correct	446 ms	68820 KB	Output is correct
85	Correct	438 ms	68644 KB	Output is correct
86	Correct	127 ms	26604 KB	Output is correct
87	Correct	1 ms	328 KB	Output is correct

답안 #677092

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