Submission #49613

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
49613	2018-06-01 03:24:29	Diuven	Circle selection (APIO18_circle_selection)	C++11	64 / 100	3076 ms	93996 KiB

circle_selection

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
const int MX=300010, inf=2e9;
struct CIRCLE {
  int x, y, r, idx, kill;
} C[MX];
inline ll sq(ll x){ return x*x; }
inline ll dist(int a, int b){
  return sq(C[a].x-C[b].x)+sq(C[a].y-C[b].y);
}
inline bool hit(int a, int b){
  return dist(a,b)<=sq(C[a].r+C[b].r);
}
int n;
void input(){
  cin>>n;
  for(int i=1; i<=n; i++){
    int x, y, r;
    cin>>x>>y>>r;
    C[i]={x,y,r,i,0};
  }
}
 
 
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• Subtask 6: 0 / 13