Submission #105124

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
105124	2019-04-10 15:36:47	Shtef	SIR (COI15_sir)	C++14	61 / 100	193 ms	13040 KiB

sir

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#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>
#include <cmath>
using namespace std;
typedef long long ll;
typedef pair <ll, ll> pll;
#define x first
#define y second
#define mp make_pair
int n, m;
pll a[300005], b[300005];
vector <pll> gore, dolje, h;
int ccw(pll x, pll y, pll z){
  ll ret = x.x * (y.y - z.y) + y.x * (z.y - x.y) + z.x * (x.y - y.y);
  if(ret > 0)
    return 1;
  if(ret < 0)
    return -1;
  return 0;
}
void initconvexhull(){
  sort(b, b + m);
  gore.push_back(b[0]);
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 0 / 39
• Subtask 3: 49 / 49