Submission #1024268

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1024268	2024-07-15T22:23:12 Z	angels	Mobile (BOI12_mobile)	C++14	90 / 100	1000 ms	31580 KB

mobile

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

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    long long int n, L;
    cin>>n>>L;
    vector<pair<long double, long double>>v(n);
    for(int i=0; i<n; i++)
    {
        cin>>v[i].first>>v[i].second;
    }
    long double l=1, r=1.5e9;
    while(r-l>1e-3)
    {
        long double mid=(l+r)/2.0;
        long double granica=0;
        for(int i=0; i<n; i++)
        {
            long double opseg=sqrt(mid*mid-v[i].second*v[i].second);
            long double minn=v[i].first-opseg;
            long double maxx=v[i].first+opseg;
            if(minn<=granica)
            {
                granica=max(granica, maxx);
            }
        }
        if(granica<L)
        {
            l=mid;
        }
        else
            r=mid;
    }
    cout<<fixed<<setprecision(4)<<l;

    return 0;
}

Subtask #1
4.0 / 4.0

#	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

Subtask #2
4.0 / 4.0

#	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

Subtask #3
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	348 KB	Output is correct
2	Correct	2 ms	348 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	2 ms	348 KB	Output is correct

Subtask #4
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	604 KB	Output is correct
2	Correct	3 ms	604 KB	Output is correct
3	Correct	3 ms	604 KB	Output is correct
4	Correct	5 ms	604 KB	Output is correct

Subtask #5
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	604 KB	Output is correct
2	Correct	3 ms	604 KB	Output is correct
3	Correct	3 ms	600 KB	Output is correct
4	Correct	6 ms	604 KB	Output is correct

Subtask #6
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	604 KB	Output is correct
2	Correct	3 ms	600 KB	Output is correct
3	Correct	3 ms	604 KB	Output is correct
4	Correct	6 ms	604 KB	Output is correct
5	Correct	4 ms	604 KB	Output is correct

Subtask #7
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	61 ms	2652 KB	Output is correct
2	Correct	37 ms	2648 KB	Output is correct
3	Correct	34 ms	2136 KB	Output is correct
4	Correct	82 ms	2652 KB	Output is correct
5	Correct	40 ms	1884 KB	Output is correct

Subtask #8
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	69 ms	2908 KB	Output is correct
2	Correct	71 ms	2648 KB	Output is correct
3	Correct	87 ms	2908 KB	Output is correct
4	Correct	87 ms	2904 KB	Output is correct
5	Correct	96 ms	3160 KB	Output is correct

Subtask #9
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	3164 KB	Output is correct
2	Correct	44 ms	2904 KB	Output is correct
3	Correct	54 ms	2908 KB	Output is correct
4	Correct	126 ms	3420 KB	Output is correct
5	Correct	83 ms	3160 KB	Output is correct

Subtask #10
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	50 ms	3420 KB	Output is correct
2	Correct	49 ms	3420 KB	Output is correct
3	Correct	60 ms	3420 KB	Output is correct
4	Correct	122 ms	3420 KB	Output is correct
5	Correct	99 ms	3420 KB	Output is correct

Subtask #11
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	53 ms	3416 KB	Output is correct
2	Correct	48 ms	3416 KB	Output is correct
3	Correct	60 ms	3420 KB	Output is correct
4	Correct	123 ms	3416 KB	Output is correct
5	Correct	99 ms	3420 KB	Output is correct

Subtask #12
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	236 ms	16004 KB	Output is correct
2	Correct	235 ms	15960 KB	Output is correct
3	Correct	234 ms	15960 KB	Output is correct
4	Correct	604 ms	15964 KB	Output is correct
5	Correct	496 ms	15964 KB	Output is correct

Subtask #13
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	245 ms	15960 KB	Output is correct
2	Correct	432 ms	15960 KB	Output is correct
3	Correct	298 ms	15960 KB	Output is correct
4	Correct	598 ms	15964 KB	Output is correct
5	Correct	486 ms	15960 KB	Output is correct

Subtask #14
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	302 ms	19036 KB	Output is correct
2	Correct	286 ms	19036 KB	Output is correct
3	Correct	296 ms	19036 KB	Output is correct
4	Correct	778 ms	19032 KB	Output is correct
5	Correct	594 ms	19036 KB	Output is correct

Subtask #15
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	337 ms	19036 KB	Output is correct
2	Correct	521 ms	19032 KB	Output is correct
3	Correct	333 ms	19032 KB	Output is correct
4	Correct	701 ms	19036 KB	Output is correct
5	Correct	605 ms	19032 KB	Output is correct

Subtask #16
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	343 ms	22364 KB	Output is correct
2	Correct	357 ms	22360 KB	Output is correct
3	Correct	314 ms	22360 KB	Output is correct
4	Correct	817 ms	22364 KB	Output is correct
5	Correct	734 ms	22364 KB	Output is correct

Subtask #17
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	353 ms	22364 KB	Output is correct
2	Correct	588 ms	22360 KB	Output is correct
3	Correct	440 ms	22360 KB	Output is correct
4	Correct	830 ms	22364 KB	Output is correct
5	Correct	727 ms	22360 KB	Output is correct

Subtask #18
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	389 ms	25436 KB	Output is correct
2	Correct	393 ms	25436 KB	Output is correct
3	Correct	369 ms	25436 KB	Output is correct
4	Correct	942 ms	25432 KB	Output is correct
5	Correct	756 ms	25436 KB	Output is correct

Subtask #19
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	397 ms	25432 KB	Output is correct
2	Correct	644 ms	25432 KB	Output is correct
3	Correct	484 ms	25432 KB	Output is correct
4	Correct	938 ms	25432 KB	Output is correct
5	Correct	806 ms	25432 KB	Output is correct

Subtask #20
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	492 ms	31580 KB	Output is correct
2	Correct	456 ms	31580 KB	Output is correct
3	Correct	481 ms	31580 KB	Output is correct
4	Execution timed out	1044 ms	31576 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #21
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	495 ms	31576 KB	Output is correct
2	Correct	875 ms	31536 KB	Output is correct
3	Correct	606 ms	31580 KB	Output is correct
4	Execution timed out	1065 ms	31580 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Submission #1024268

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