Unofficial Editorial

Implementation

The code below is basically a spruced-up version of the code provided on the site.

Time Complexity: O(1)\mathcal{O}(1) for each test case.

C++

#include <bits/stdc++.h>
using namespace std;
Code Snippet: Line Segment Intersection (Click to expand)
// from [https://cp-algorithms.com/geometry/segments-intersection.html]
int main() {
int test_num;
cin >> test_num;
cout << fixed << setprecision(2);

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