Submission #104948

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
104948	2019-04-09 23:01:57	Shtef	SIR (COI15_sir)	C++14	51 / 100	1062 ms	17720 KiB

sir

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#include <iostream>
#include <utility>
#include <vector>
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];
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;
}
bool jedobar(pll x, pll y, int kolko){
  for(int i = 0 ; i < m ; ++i){
    if(ccw(x, y, b[i]) != kolko)
      return 0;
  }
  return 1;
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 39 / 39
• Subtask 3: 0 / 49