Submission #68891

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
68891	2018-08-19 07:12:37	ainta	Printed Circuit Board (CEOI12_circuit)	C++17	85 / 100	160 ms	31132 KiB

circuit

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#include<stdio.h>
#include<algorithm>
using namespace std;
struct point {
  long long x, y;
  int c;
  bool operator <(const point &p)const {
    return x*p.y != y*p.x ? x*p.y<y*p.x : x<p.x;
  }
}w[200001];
struct point2 {
  int x, y;
}P[200001];
struct vector2 {
  double x, y;
  int c;
}w2[200001], t1, t2, t3;
double X1, X2, Y1, Y2, tt;
int r[400001], N, i, c, sz, IT2[600001];
bool v[400001];
double IT[600001], INF = 1e9;
double F(double x, double y) {
  tt = (Y2*x - X2*y) / ((X1 - X2)*y - (Y1 - Y2)*x);
  return Y1*tt + Y2*(1 - tt);
}
bool ccw() {
  return (t2.x - t1.x)*(t3.y - t1.y) - (t2.y - t1.y)*(t3.x - t1.x)<0;
}
void Do(int b, int e, int k) {
  int s = b - sz, l = e - sz, t = 1;
 
 
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Compilation message (stderr)

circuit.cpp: In function 'int main()':
circuit.cpp:89:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
circuit.cpp:91:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &P[i].x, &P[i].y);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 85 / 100