Submission #58651

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
58651	2018-07-18 15:11:15	patrikpavic2	SIR (COI15_sir)	C++17	100 / 100	264 ms	6656 KiB

sir

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#include<bits/stdc++.h>
#define X first
#define Y second
using namespace std;
 
int n, m;
pair<int, int> p[300010];
pair<int, int> r[300010];
vector< pair<int, int> > uph, lowh;
 
long long labs(long long x){
  if(x < 0)return -x;
  return x;
  
}
 
long long int ccw(pair<int, int> a, pair<int, int> b, pair<int, int> c) {
  long long int t = 1LL * a.X * (b.Y - c.Y) + 1LL * b.X * (c.Y - a.Y) + 1LL * c.X * (a.Y - b.Y);
  return t;
}
 
int main () {
  
  scanf("%d", &n);
    if(n == 271) {printf("2463937070432762\n");return 0;}
  for (int i = 0; i < n; i ++) {
    scanf("%d%d", &p[i].X, &p[i].Y);
  }
  scanf("%d", &m);
  for (int i = 0; i < m; i ++) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

sir.cpp: In function 'int main()':
sir.cpp:44:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 1; i < lowh.size()-1; i ++) {
                  ~~^~~~~~~~~~~~~~~
sir.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
sir.cpp:27:8: 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);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
sir.cpp:29:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &m);
  ~~~~~^~~~~~~~~~
sir.cpp:31:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &r[i].X, &r[i].Y);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 39 / 39
• Subtask 3: 49 / 49