Submission #1024279

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1024279	2024-07-15T22:32:40 Z	angels	Mobile (BOI12_mobile)	C++14	100 / 100	339 ms	15964 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 long, long long>>v(n);
    for(int i=0; i<n; i++)
    {
        cin>>v[i].first>>v[i].second;
    }
    double l=1, r=1.0e9;
    while(r-l>1e-3)
    {
        double mid=(l+r)/2;
        double granica=0;
        for(int i=0; i<n; i++)
        {
            double opseg=sqrt(mid*mid-v[i].second*v[i].second);
            double minn=v[i].first-opseg;
            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	344 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	344 KB	Output is correct
4	Correct	348 KB	Output is correct

Subtask #2
4.0 / 4.0

#	Verdict	Memory	Grader output
1	Correct	344 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	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct

Subtask #4
4.0 / 4.0

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

Subtask #5
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	2 ms	540 KB	Output is correct

Subtask #6
5.0 / 5.0

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

Subtask #7
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	25 ms	1624 KB	Output is correct
2	Correct	17 ms	1628 KB	Output is correct
3	Correct	12 ms	1116 KB	Output is correct
4	Correct	26 ms	1628 KB	Output is correct
5	Correct	11 ms	1116 KB	Output is correct

Subtask #8
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	19 ms	1628 KB	Output is correct
2	Correct	25 ms	1372 KB	Output is correct
3	Correct	22 ms	1628 KB	Output is correct
4	Correct	23 ms	1628 KB	Output is correct
5	Correct	26 ms	1628 KB	Output is correct

Subtask #9
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	18 ms	1628 KB	Output is correct
2	Correct	19 ms	1628 KB	Output is correct
3	Correct	19 ms	1628 KB	Output is correct
4	Correct	38 ms	1884 KB	Output is correct
5	Correct	23 ms	1624 KB	Output is correct

Subtask #10
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	24 ms	1880 KB	Output is correct
2	Correct	24 ms	1884 KB	Output is correct
3	Correct	21 ms	1880 KB	Output is correct
4	Correct	33 ms	1884 KB	Output is correct
5	Correct	34 ms	1884 KB	Output is correct

Subtask #11
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	23 ms	1884 KB	Output is correct
2	Correct	24 ms	1884 KB	Output is correct
3	Correct	22 ms	1880 KB	Output is correct
4	Correct	35 ms	1880 KB	Output is correct
5	Correct	27 ms	1880 KB	Output is correct

Subtask #12
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	103 ms	8284 KB	Output is correct
2	Correct	114 ms	8280 KB	Output is correct
3	Correct	113 ms	8284 KB	Output is correct
4	Correct	151 ms	8280 KB	Output is correct
5	Correct	244 ms	8280 KB	Output is correct

Subtask #13
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	125 ms	8284 KB	Output is correct
2	Correct	194 ms	8284 KB	Output is correct
3	Correct	107 ms	8280 KB	Output is correct
4	Correct	163 ms	8280 KB	Output is correct
5	Correct	139 ms	8280 KB	Output is correct

Subtask #14
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	122 ms	9820 KB	Output is correct
2	Correct	131 ms	9820 KB	Output is correct
3	Correct	135 ms	9820 KB	Output is correct
4	Correct	185 ms	9820 KB	Output is correct
5	Correct	158 ms	9816 KB	Output is correct

Subtask #15
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	151 ms	9816 KB	Output is correct
2	Correct	213 ms	9816 KB	Output is correct
3	Correct	134 ms	9816 KB	Output is correct
4	Correct	193 ms	9816 KB	Output is correct
5	Correct	159 ms	9820 KB	Output is correct

Subtask #16
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	139 ms	11356 KB	Output is correct
2	Correct	151 ms	11356 KB	Output is correct
3	Correct	157 ms	11356 KB	Output is correct
4	Correct	204 ms	11356 KB	Output is correct
5	Correct	177 ms	11352 KB	Output is correct

Subtask #17
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	146 ms	11356 KB	Output is correct
2	Correct	244 ms	11352 KB	Output is correct
3	Correct	153 ms	11356 KB	Output is correct
4	Correct	213 ms	11356 KB	Output is correct
5	Correct	190 ms	11352 KB	Output is correct

Subtask #18
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	159 ms	12892 KB	Output is correct
2	Correct	190 ms	12892 KB	Output is correct
3	Correct	181 ms	12888 KB	Output is correct
4	Correct	242 ms	12892 KB	Output is correct
5	Correct	231 ms	12892 KB	Output is correct

Subtask #19
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	185 ms	12892 KB	Output is correct
2	Correct	268 ms	12892 KB	Output is correct
3	Correct	185 ms	12888 KB	Output is correct
4	Correct	248 ms	12888 KB	Output is correct
5	Correct	219 ms	12888 KB	Output is correct

Subtask #20
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	198 ms	15964 KB	Output is correct
2	Correct	229 ms	15960 KB	Output is correct
3	Correct	228 ms	15960 KB	Output is correct
4	Correct	294 ms	15960 KB	Output is correct
5	Correct	274 ms	15964 KB	Output is correct

Subtask #21
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	220 ms	15964 KB	Output is correct
2	Correct	339 ms	15960 KB	Output is correct
3	Correct	221 ms	15960 KB	Output is correct
4	Correct	330 ms	15960 KB	Output is correct
5	Correct	316 ms	15964 KB	Output is correct

Submission #1024279

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