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답안 #16920

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
16920 2015-10-26T13:09:54 Z erdemkiraz 생물 실험 (IZhO13_expgorl) C++
0 / 100
 11 ms 3408 KB 
#include <bits/stdc++.h>

using namespace std;

#define type(x) __typeof((x).begin())
#define foreach(it, x) for(type(x) it = (x).begin(); it != (x).end(); it++)

typedef long long ll;
typedef pair < int, int > ii;

const int inf = 1e9 + 333;
const ll linf = 1e18 + inf;

const int N = 1e5 + 5;

int k, n;
int dx[300], dy[300];
double cx[N], cy[N];
double lx, ly, kx, ky;
char s[N];

double dist(double x, double y, double a, double b) {
    return sqrt((x - a) * (x - a) + (y - b) * (y - b));
}

double ternary(int i) {
    int l = 0, r = k;
    while(r - l > 5) {
        int m1 = (l + l + r) / 3;
        int m2 = (l + r + r) / 3;
        double d1 = dist(lx, ly, cx[i] + kx * m1, cy[i] + ky * m1);
        double d2 = dist(lx, ly, cx[i] + kx * m2, cy[i] + ky * m2);
        if(d1 < d2)
            l = m1;
        else
            r = m2;
    }
    double ans = linf;
    while(l <= r) {
        double d = dist(lx, ly, cx[i] + kx * l, cy[i] + ky * l);
        ans = min(ans, d);
        l++;
    }
    return ans;
}

int main() {

    scanf("%d", &k);

    scanf("%s", s + 1);

    n = strlen(s + 1);

    scanf("%lf %lf", &lx, &ly);

    scanf("%lf %lf", cx, cy);

    dx['L'] = -1;
    dx['R'] = +1;
    dy['F'] = +1;
    dy['I'] = -1;

    double mn = linf, mx = -linf;

    for(int i = 1; i <= n; i++) {
        cx[i] = cx[i - 1] + dx[s[i]];
        cy[i] = cy[i - 1] + dy[s[i]];
        kx += dx[s[i]];
        ky += dy[s[i]];
    }

    for(int i = 0; i <= n; i++) {
        mx = max(mx, dist(lx, ly, cx[i], cy[i]));
        mx = max(mx, dist(lx, ly, cx[i] + kx * k, cy[i] + ky * k));
        mn = min(mn, ternary(i));
    }

    printf("%.12lf %.12lf\n", mn, mx);

    return 0;

}

Subtask #1
0.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 3408 KB Output isn't correct
2 Incorrect 2 ms 3408 KB Output isn't correct
3 Incorrect 2 ms 3408 KB Output isn't correct
4 Incorrect 2 ms 3408 KB Output isn't correct
5 Incorrect 1 ms 3408 KB Output isn't correct
6 Incorrect 0 ms 3408 KB Output isn't correct
7 Incorrect 0 ms 3408 KB Output isn't correct
8 Incorrect 2 ms 3408 KB Output isn't correct
9 Incorrect 7 ms 3408 KB Output isn't correct
10 Incorrect 10 ms 3408 KB Output isn't correct
11 Incorrect 6 ms 3408 KB Output isn't correct
12 Incorrect 10 ms 3408 KB Output isn't correct
13 Incorrect 10 ms 3408 KB Output isn't correct
14 Incorrect 8 ms 3408 KB Output isn't correct
15 Incorrect 8 ms 3408 KB Output isn't correct
16 Incorrect 11 ms 3408 KB Output isn't correct
17 Incorrect 11 ms 3408 KB Output isn't correct
18 Incorrect 11 ms 3408 KB Output isn't correct
19 Incorrect 11 ms 3408 KB Output isn't correct
20 Incorrect 11 ms 3408 KB Output isn't correct