Submission #1032628

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1032628	2024-07-24T04:30:53 Z	Muhammet	Strange Device (APIO19_strange_device)	C++17	100 / 100	345 ms	69828 KB

strange_device

#include <bits/stdc++.h>
using namespace std;

#define ll long long int
#define sz(x) (int)x.size()
#define ff first
#define ss second

const ll N = 1000005;
const ll M = 1e18;

ll T, n, a, b, l[N], r[N];

int main(){
	ios::sync_with_stdio(false); cin.tie(0);

	cin >> n >> a >> b;
	ll x = 0;
	for(int i = 1; i <= n; i++){
		cin >> l[i] >> r[i];
		x += (r[i]-l[i]+1);
	}
	ll m = __gcd(a,b+1);
	m = (a/m);
	ll k = 0;
	if(M/b < m) {
		cout << x;
		return 0;
	}
	k = m*b;
	vector <pair<ll,ll>> v;
	for(int i = 1; i <= n; i++){
		if(r[i]-l[i]+1 >= k){
			cout << k;
			return 0;
		}
		ll c = (l[i]%k), d = r[i]%k;
		if(c > d){
			v.push_back({c,k-1});
			v.push_back({0,d});
		}
		else {
			v.push_back({c,d});
		}
	}
	sort(v.begin(), v.end());
	ll mn = v[0].ff, mx = v[0].ss, ans = 0;
	for(auto i : v){
		if(i.ff > mx){
			ans += (mx-mn+1);
			mn = 1e18;
			mx = -1e18;
		}
		mn = min(i.ff,mn);
		mx = max(mx,i.ss);
	}
	if(mn <= mx){
		ans += (mx-mn+1);
	}
	
	cout << ans;

	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	3 ms	1372 KB	Output is correct
3	Correct	3 ms	1232 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	464 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	1360 KB	Output is correct
17	Correct	32 ms	7896 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	352 KB	Output is correct
5	Correct	464 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	356 KB	Output is correct
3	Correct	1 ms	352 KB	Output is correct
4	Correct	1 ms	352 KB	Output is correct
5	Correct	241 ms	57704 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	284 ms	69592 KB	Output is correct
3	Correct	281 ms	69560 KB	Output is correct
4	Correct	345 ms	69568 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	284 ms	69592 KB	Output is correct
3	Correct	281 ms	69560 KB	Output is correct
4	Correct	345 ms	69568 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	286 ms	69736 KB	Output is correct
7	Correct	270 ms	69788 KB	Output is correct
8	Correct	276 ms	69820 KB	Output is correct
9	Correct	301 ms	69824 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	284 ms	69592 KB	Output is correct
3	Correct	281 ms	69560 KB	Output is correct
4	Correct	345 ms	69568 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	27 ms	7892 KB	Output is correct
7	Correct	35 ms	7752 KB	Output is correct
8	Correct	28 ms	7884 KB	Output is correct
9	Correct	31 ms	7888 KB	Output is correct
10	Correct	27 ms	7888 KB	Output is correct
11	Correct	31 ms	7876 KB	Output is correct
12	Correct	29 ms	7872 KB	Output is correct
13	Correct	39 ms	7884 KB	Output is correct
14	Correct	27 ms	7872 KB	Output is correct
15	Correct	32 ms	7884 KB	Output is correct
16	Correct	33 ms	8144 KB	Output is correct
17	Correct	31 ms	7844 KB	Output is correct
18	Correct	319 ms	69588 KB	Output is correct
19	Correct	266 ms	69824 KB	Output is correct
20	Correct	326 ms	69568 KB	Output is correct
21	Correct	30 ms	7888 KB	Output is correct
22	Correct	26 ms	7892 KB	Output is correct
23	Correct	90 ms	26560 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	30 ms	7896 KB	Output is correct
3	Correct	31 ms	7888 KB	Output is correct
4	Correct	302 ms	69740 KB	Output is correct
5	Correct	36 ms	7884 KB	Output is correct
6	Correct	37 ms	7888 KB	Output is correct
7	Correct	33 ms	7888 KB	Output is correct
8	Correct	32 ms	7840 KB	Output is correct
9	Correct	30 ms	7796 KB	Output is correct
10	Correct	30 ms	7812 KB	Output is correct
11	Correct	37 ms	7884 KB	Output is correct
12	Correct	36 ms	7880 KB	Output is correct
13	Correct	37 ms	7792 KB	Output is correct
14	Correct	299 ms	69828 KB	Output is correct
15	Correct	29 ms	7888 KB	Output is correct
16	Correct	286 ms	69648 KB	Output is correct
17	Correct	270 ms	69728 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	3 ms	1372 KB	Output is correct
3	Correct	3 ms	1232 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	464 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	1360 KB	Output is correct
17	Correct	32 ms	7896 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	352 KB	Output is correct
23	Correct	0 ms	464 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	356 KB	Output is correct
26	Correct	1 ms	352 KB	Output is correct
27	Correct	1 ms	352 KB	Output is correct
28	Correct	241 ms	57704 KB	Output is correct
29	Correct	0 ms	352 KB	Output is correct
30	Correct	284 ms	69592 KB	Output is correct
31	Correct	281 ms	69560 KB	Output is correct
32	Correct	345 ms	69568 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	286 ms	69736 KB	Output is correct
35	Correct	270 ms	69788 KB	Output is correct
36	Correct	276 ms	69820 KB	Output is correct
37	Correct	301 ms	69824 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	27 ms	7892 KB	Output is correct
40	Correct	35 ms	7752 KB	Output is correct
41	Correct	28 ms	7884 KB	Output is correct
42	Correct	31 ms	7888 KB	Output is correct
43	Correct	27 ms	7888 KB	Output is correct
44	Correct	31 ms	7876 KB	Output is correct
45	Correct	29 ms	7872 KB	Output is correct
46	Correct	39 ms	7884 KB	Output is correct
47	Correct	27 ms	7872 KB	Output is correct
48	Correct	32 ms	7884 KB	Output is correct
49	Correct	33 ms	8144 KB	Output is correct
50	Correct	31 ms	7844 KB	Output is correct
51	Correct	319 ms	69588 KB	Output is correct
52	Correct	266 ms	69824 KB	Output is correct
53	Correct	326 ms	69568 KB	Output is correct
54	Correct	30 ms	7888 KB	Output is correct
55	Correct	26 ms	7892 KB	Output is correct
56	Correct	90 ms	26560 KB	Output is correct
57	Correct	1 ms	344 KB	Output is correct
58	Correct	30 ms	7896 KB	Output is correct
59	Correct	31 ms	7888 KB	Output is correct
60	Correct	302 ms	69740 KB	Output is correct
61	Correct	36 ms	7884 KB	Output is correct
62	Correct	37 ms	7888 KB	Output is correct
63	Correct	33 ms	7888 KB	Output is correct
64	Correct	32 ms	7840 KB	Output is correct
65	Correct	30 ms	7796 KB	Output is correct
66	Correct	30 ms	7812 KB	Output is correct
67	Correct	37 ms	7884 KB	Output is correct
68	Correct	36 ms	7880 KB	Output is correct
69	Correct	37 ms	7792 KB	Output is correct
70	Correct	299 ms	69828 KB	Output is correct
71	Correct	29 ms	7888 KB	Output is correct
72	Correct	286 ms	69648 KB	Output is correct
73	Correct	270 ms	69728 KB	Output is correct
74	Correct	1 ms	344 KB	Output is correct
75	Correct	0 ms	348 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	0 ms	348 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	3 ms	1372 KB	Output is correct
80	Correct	303 ms	69712 KB	Output is correct
81	Correct	306 ms	69648 KB	Output is correct
82	Correct	328 ms	69824 KB	Output is correct
83	Correct	295 ms	69568 KB	Output is correct
84	Correct	308 ms	69568 KB	Output is correct
85	Correct	300 ms	69688 KB	Output is correct
86	Correct	83 ms	26568 KB	Output is correct
87	Correct	0 ms	344 KB	Output is correct

Submission #1032628

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