Submission #1000908

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ld = long double;
using D = double;
using uint = unsigned int;

#ifdef WIN32
    #define LLD "%I64d"
#else
    #define LLD "%lld"
#endif

#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second

#define y1 y1_dsf

int x1, y1, x2, y2, x3, y3;

inline ld getd(int x1, int y1, int x2, int y2)
{
//     cout << (ld)(x1 - x2) * (x1 - x2) << ' ' <<  (ld)(y1 - y2) << ' ' <<  (y1 - y2) << endl;
    return sqrt((ld)(x1 - x2) * (x1 - x2) + (ld)(y1 - y2) * (y1 - y2));
}

int main()
{
    scanf("%d%d%d%d%d%d", &x1, &y1, &x2, &y2, &x3, &y3);
    ld a = getd(x1, y1, x2, y2);
    ld b = getd(x2, y2, x3, y3);
    ld c = getd(x3, y3, x1, y1);
//     cout << a << ' ' << b << ' ' << c << endl;
    if (a < b) swap(a, b);
    if (a < c) swap(a, c);
    ld al = acos((a * a + c * c - b * b) / (2 * a * c));
    ld be = acos((a * a + b * b - c * c) / (2 * a * b));
//     cout << a << ' ' << b << ' ' << c << endl;
//     cout << al << ' ' << be << endl;
    ld x = a / (2 + 1 / tan(al / 2) + 1 / tan(be / 2));
    cout.precision(20);
    cout << x << endl;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:34:56: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d%d%d%d", &x1, &y1, &x2, &y2, &x3, &y3);
                                                        ^

Judge Result