Submission #972561

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
972561	2024-04-30T15:08:59 Z	simona1230	Strange Device (APIO19_strange_device)	C++17	100 / 100	358 ms	54440 KB

strange_device

#include <bits/stdc++.h>

using namespace std;
long long n,a,b;
pair<long long,long long> p[2000001];
void solve()
{
    int cnt=n;
    long long h=1e18+1;
    a/=__gcd(a,b+1);
    if(1e18/a>=b)h=b*a;
    //cout<<h<<endl;
    for(long long i=1;i<=n;i++)
    {
        long long l,r;
        cin>>l>>r;
        if(r-l+1>=h)
        {
            cout<<h<<endl;
            return;
        }
        p[i]={l%(h),r%(h)};
        if(p[i].first>p[i].second)
        {
            cnt++;
            p[cnt].first=0;
            p[cnt].second=p[i].second;

            p[i].second=h-1;
        }
    }
    long long ans=0;
    sort(p+1,p+cnt+1);

    long long r=-1;
    for(long long i=1;i<=cnt;i++)
    {
        if(p[i].second>r)
        {
            if(p[i].first>r)
                ans+=p[i].second-p[i].first+1;
            else ans+=p[i].second-r;
        }

        r=max(r,p[i].second);
    }

    cout<<ans<<endl;
}
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	cin>>n>>a>>b;
	solve();
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	5 ms	856 KB	Output is correct
3	Correct	5 ms	860 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	344 KB	Output is correct
8	Correct	1 ms	344 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	472 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	4 ms	840 KB	Output is correct
17	Correct	33 ms	6260 KB	Output is correct
18	Correct	0 ms	348 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	348 KB	Output is correct
5	Correct	344 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	348 KB	Output is correct
3	Correct	1 ms	600 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	196 ms	42096 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	289 ms	54008 KB	Output is correct
3	Correct	281 ms	54144 KB	Output is correct
4	Correct	311 ms	54140 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	289 ms	54008 KB	Output is correct
3	Correct	281 ms	54144 KB	Output is correct
4	Correct	311 ms	54140 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	292 ms	54000 KB	Output is correct
7	Correct	313 ms	54016 KB	Output is correct
8	Correct	302 ms	54148 KB	Output is correct
9	Correct	326 ms	54096 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	289 ms	54008 KB	Output is correct
3	Correct	281 ms	54144 KB	Output is correct
4	Correct	311 ms	54140 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	30 ms	6396 KB	Output is correct
7	Correct	29 ms	6244 KB	Output is correct
8	Correct	30 ms	6824 KB	Output is correct
9	Correct	36 ms	6256 KB	Output is correct
10	Correct	42 ms	6260 KB	Output is correct
11	Correct	30 ms	6388 KB	Output is correct
12	Correct	28 ms	6228 KB	Output is correct
13	Correct	30 ms	6228 KB	Output is correct
14	Correct	29 ms	6224 KB	Output is correct
15	Correct	32 ms	6236 KB	Output is correct
16	Correct	39 ms	6236 KB	Output is correct
17	Correct	29 ms	6260 KB	Output is correct
18	Correct	291 ms	53988 KB	Output is correct
19	Correct	281 ms	54148 KB	Output is correct
20	Correct	336 ms	54132 KB	Output is correct
21	Correct	31 ms	6232 KB	Output is correct
22	Correct	27 ms	6228 KB	Output is correct
23	Correct	84 ms	19284 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	32 ms	6384 KB	Output is correct
3	Correct	32 ms	6236 KB	Output is correct
4	Correct	347 ms	54128 KB	Output is correct
5	Correct	30 ms	6344 KB	Output is correct
6	Correct	31 ms	6236 KB	Output is correct
7	Correct	31 ms	6260 KB	Output is correct
8	Correct	39 ms	6228 KB	Output is correct
9	Correct	34 ms	6256 KB	Output is correct
10	Correct	30 ms	6224 KB	Output is correct
11	Correct	31 ms	6264 KB	Output is correct
12	Correct	26 ms	6644 KB	Output is correct
13	Correct	30 ms	6392 KB	Output is correct
14	Correct	317 ms	54128 KB	Output is correct
15	Correct	31 ms	6236 KB	Output is correct
16	Correct	286 ms	53968 KB	Output is correct
17	Correct	292 ms	54112 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	5 ms	856 KB	Output is correct
3	Correct	5 ms	860 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	344 KB	Output is correct
8	Correct	1 ms	344 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	472 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	4 ms	840 KB	Output is correct
17	Correct	33 ms	6260 KB	Output is correct
18	Correct	0 ms	348 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	348 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	600 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	196 ms	42096 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	289 ms	54008 KB	Output is correct
31	Correct	281 ms	54144 KB	Output is correct
32	Correct	311 ms	54140 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	292 ms	54000 KB	Output is correct
35	Correct	313 ms	54016 KB	Output is correct
36	Correct	302 ms	54148 KB	Output is correct
37	Correct	326 ms	54096 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	30 ms	6396 KB	Output is correct
40	Correct	29 ms	6244 KB	Output is correct
41	Correct	30 ms	6824 KB	Output is correct
42	Correct	36 ms	6256 KB	Output is correct
43	Correct	42 ms	6260 KB	Output is correct
44	Correct	30 ms	6388 KB	Output is correct
45	Correct	28 ms	6228 KB	Output is correct
46	Correct	30 ms	6228 KB	Output is correct
47	Correct	29 ms	6224 KB	Output is correct
48	Correct	32 ms	6236 KB	Output is correct
49	Correct	39 ms	6236 KB	Output is correct
50	Correct	29 ms	6260 KB	Output is correct
51	Correct	291 ms	53988 KB	Output is correct
52	Correct	281 ms	54148 KB	Output is correct
53	Correct	336 ms	54132 KB	Output is correct
54	Correct	31 ms	6232 KB	Output is correct
55	Correct	27 ms	6228 KB	Output is correct
56	Correct	84 ms	19284 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	32 ms	6384 KB	Output is correct
59	Correct	32 ms	6236 KB	Output is correct
60	Correct	347 ms	54128 KB	Output is correct
61	Correct	30 ms	6344 KB	Output is correct
62	Correct	31 ms	6236 KB	Output is correct
63	Correct	31 ms	6260 KB	Output is correct
64	Correct	39 ms	6228 KB	Output is correct
65	Correct	34 ms	6256 KB	Output is correct
66	Correct	30 ms	6224 KB	Output is correct
67	Correct	31 ms	6264 KB	Output is correct
68	Correct	26 ms	6644 KB	Output is correct
69	Correct	30 ms	6392 KB	Output is correct
70	Correct	317 ms	54128 KB	Output is correct
71	Correct	31 ms	6236 KB	Output is correct
72	Correct	286 ms	53968 KB	Output is correct
73	Correct	292 ms	54112 KB	Output is correct
74	Correct	0 ms	348 KB	Output is correct
75	Correct	1 ms	348 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	0 ms	344 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	3 ms	860 KB	Output is correct
80	Correct	347 ms	54028 KB	Output is correct
81	Correct	345 ms	54232 KB	Output is correct
82	Correct	358 ms	54096 KB	Output is correct
83	Correct	318 ms	54440 KB	Output is correct
84	Correct	321 ms	54100 KB	Output is correct
85	Correct	339 ms	54384 KB	Output is correct
86	Correct	86 ms	19200 KB	Output is correct
87	Correct	1 ms	348 KB	Output is correct

Submission #972561

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