poj1299

简单题

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

#define pi 3.14159

bool reachable(int x, int y, int z, int &ans)
{
    if (360 - z < z)
        z = 360 - z;
    if (z == 0)
    {
        ans = y;
        return true;
    }
    double dist = 2 * pi * x * z / 360;
    double fuel_need = dist * 2 / 5;
    if (y >= fuel_need)
    {
        ans = y - fuel_need;
        return true;
    }
    ans = y * 5;
    return false;
}

int main()
{
    //freopen("t.txt", "r", stdin);
    char st[20];
    int x, y, z;
    int ans;
    while (1)
    {
        gets(st);
        if (st[0] == 'E')
            break;
        scanf("%d%d%d", &x, &y, &z);
        if (reachable(x, y, z, ans))
            printf("YES %d\n", ans);
        else
            printf("NO %d\n", ans);
        gets(st);
        gets(st);
    }
    return 0;
}