Submission #1169523

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1169523	2025-03-18 22:24:26	julia_08	Mobile (BOI12_mobile)	C++20	100 / 100	168 ms	48704 KiB

mobile

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#include <bits/stdc++.h>
using namespace std;
using ld = long double;
using ll = long long;
struct point{
  ll x, y;
};
vector<point> p;
ld solve(int i, int j){
  ld x1 = p[i].x, y1 = p[i].y;
  ld x2 = p[j].x, y2 = p[j].y;
  return (ld) (x2 * x2 + y2 * y2 - x1 * x1 - y1 * y1) / ((x2 - x1) * 2.0);
}
int main(){
  cin.tie(0)->sync_with_stdio(0);
  int n; ll l; cin >> n >> l;
  for(int i=1; i<=n; i++){
    ll x, y; cin >> x >> y;
    if(!p.empty() && x == p.back().x){
 
 
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