Submission #287458

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
287458	2020-08-31 17:08:52	Namnamseo	Tri (CEOI09_tri)	C++17	80 / 100	637 ms	65540 KiB

tri

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pp;
void read(int& x){ scanf("%d",&x); }
template<typename T,typename... Args>
void read(T& a,Args&... b){ read(a); read(b...); }
#define all(x) (x).begin(),(x).end()
#define pb push_back
#define x first
#define y second
vector<pp> kpt;
ll inf = 1LL << 60;
int kn, qn;
pp operator-(pp a, pp b){
  return pp{a.first-b.first, a.second-b.second};
}
ll cross(pp a, pp b){
  return b.y*1LL*a.x - b.x*1LL*a.y;
}
ll cross(pp a, pp b, pp c){ return cross(b-a, c-a); }
void in(){
    int k;
    read(k, qn); kpt.resize(k);
 
 
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Compilation message (stderr)

tri.cpp: In function 'void read(int&)':
tri.cpp:5:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    5 | void read(int& x){ scanf("%d",&x); }
      |                    ~~~~~^~~~~~~~~

• Subtask 1: 80 / 100