답안 #1016376

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1016376	2024-07-08T02:23:35 Z	cryptobunny	Mobile (BOI12_mobile)	C++14	100 / 100	955 ms	51708 KB

mobile

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

int main() {
    int n, sz;
    cin >> n >> sz;
    vector<pair<long long, long long>> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i].first >> a[i].second;
    }
    double l = 1, r = 2e9;
    while (r - l > 1e-3) {
        double mid = (l + r) / 2, j = 0;
        vector<pair<int, int>> s;
        for (int i = 0; i < n; i++) {
            double temp = sqrt(mid * mid - a[i].second * a[i].second);
            double left = a[i].first - temp, right = a[i].first + temp;
            s.push_back({left, right});
            if (left <= j) j = max(j, right);
        }
        if (j >= sz) r = mid;
        else l = mid;
    }
    cout << fixed << setprecision(6) << l << endl;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct

Subtask #2
4.0 / 4.0

#	결과	메모리	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

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	348 KB	Output is correct
2	Correct	2 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	2 ms	524 KB	Output is correct

Subtask #4
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	604 KB	Output is correct
2	Correct	4 ms	604 KB	Output is correct
3	Correct	3 ms	604 KB	Output is correct
4	Correct	4 ms	604 KB	Output is correct

Subtask #5
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	604 KB	Output is correct
2	Correct	4 ms	604 KB	Output is correct
3	Correct	4 ms	604 KB	Output is correct
4	Correct	5 ms	604 KB	Output is correct

Subtask #6
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	604 KB	Output is correct
2	Correct	4 ms	512 KB	Output is correct
3	Correct	3 ms	604 KB	Output is correct
4	Correct	4 ms	604 KB	Output is correct
5	Correct	4 ms	600 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	3288 KB	Output is correct
2	Correct	73 ms	3308 KB	Output is correct
3	Correct	44 ms	2824 KB	Output is correct
4	Correct	76 ms	4456 KB	Output is correct
5	Correct	37 ms	2632 KB	Output is correct

Subtask #8
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	65 ms	3368 KB	Output is correct
2	Correct	63 ms	3224 KB	Output is correct
3	Correct	76 ms	3300 KB	Output is correct
4	Correct	83 ms	4616 KB	Output is correct
5	Correct	88 ms	5072 KB	Output is correct

Subtask #9
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	3580 KB	Output is correct
2	Correct	88 ms	3440 KB	Output is correct
3	Correct	72 ms	4408 KB	Output is correct
4	Correct	96 ms	5788 KB	Output is correct
5	Correct	73 ms	4768 KB	Output is correct

Subtask #10
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	88 ms	3904 KB	Output is correct
2	Correct	87 ms	3844 KB	Output is correct
3	Correct	97 ms	4892 KB	Output is correct
4	Correct	106 ms	5924 KB	Output is correct
5	Correct	86 ms	5132 KB	Output is correct

Subtask #11
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	90 ms	3788 KB	Output is correct
2	Correct	88 ms	3868 KB	Output is correct
3	Correct	81 ms	4884 KB	Output is correct
4	Correct	102 ms	5828 KB	Output is correct
5	Correct	93 ms	5124 KB	Output is correct

Subtask #12
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	358 ms	16356 KB	Output is correct
2	Correct	405 ms	16304 KB	Output is correct
3	Correct	430 ms	23636 KB	Output is correct
4	Correct	484 ms	25892 KB	Output is correct
5	Correct	424 ms	23140 KB	Output is correct

Subtask #13
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	448 ms	16328 KB	Output is correct
2	Correct	440 ms	22964 KB	Output is correct
3	Correct	361 ms	22696 KB	Output is correct
4	Correct	482 ms	25808 KB	Output is correct
5	Correct	452 ms	23740 KB	Output is correct

Subtask #14
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	525 ms	24216 KB	Output is correct
2	Correct	538 ms	23472 KB	Output is correct
3	Correct	573 ms	32828 KB	Output is correct
4	Correct	604 ms	35688 KB	Output is correct
5	Correct	529 ms	31664 KB	Output is correct

Subtask #15
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	577 ms	24004 KB	Output is correct
2	Correct	571 ms	32176 KB	Output is correct
3	Correct	491 ms	30836 KB	Output is correct
4	Correct	564 ms	35924 KB	Output is correct
5	Correct	527 ms	33924 KB	Output is correct

Subtask #16
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	538 ms	26380 KB	Output is correct
2	Correct	606 ms	26980 KB	Output is correct
3	Correct	611 ms	37292 KB	Output is correct
4	Correct	673 ms	40088 KB	Output is correct
5	Correct	614 ms	34464 KB	Output is correct

Subtask #17
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	645 ms	27064 KB	Output is correct
2	Correct	693 ms	36336 KB	Output is correct
3	Correct	581 ms	34188 KB	Output is correct
4	Correct	758 ms	38888 KB	Output is correct
5	Correct	652 ms	36668 KB	Output is correct

Subtask #18
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	575 ms	28336 KB	Output is correct
2	Correct	673 ms	27604 KB	Output is correct
3	Correct	688 ms	40100 KB	Output is correct
4	Correct	799 ms	43480 KB	Output is correct
5	Correct	685 ms	39368 KB	Output is correct

Subtask #19
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	700 ms	28668 KB	Output is correct
2	Correct	740 ms	39860 KB	Output is correct
3	Correct	685 ms	37544 KB	Output is correct
4	Correct	743 ms	43244 KB	Output is correct
5	Correct	728 ms	40372 KB	Output is correct

Subtask #20
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	689 ms	32552 KB	Output is correct
2	Correct	857 ms	32132 KB	Output is correct
3	Correct	840 ms	46720 KB	Output is correct
4	Correct	927 ms	51708 KB	Output is correct
5	Correct	841 ms	45740 KB	Output is correct

Subtask #21
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	860 ms	32176 KB	Output is correct
2	Correct	822 ms	45356 KB	Output is correct
3	Correct	798 ms	44448 KB	Output is correct
4	Correct	955 ms	51528 KB	Output is correct
5	Correct	892 ms	46964 KB	Output is correct

답안 #1016376

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