Submission #106531

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
106531	2019-04-19 03:02:09	username	Circle selection (APIO18_circle_selection)	C++14	49 / 100	3061 ms	290180 KiB

circle_selection

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#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define int int64_t//int_fast64_t
using namespace std;
typedef pair<int,int> pii;
typedef vector<int> VI;
#define REP(i,j,k) for(int i=(j);i<(k);++i)
#define pb emplace_back
#define F first
#define S second
#define IOS cin.tie(0),cout.tie(0),ios_base::sync_with_stdio(false)
#define f2(x) ((x)*(x))
const int maxn=3e5+9,inf=1ll<<60,bl=3e9;
struct C{int x,y,r,id;}a[maxn];
int n,rmv[maxn],res[maxn];
unordered_map<int,VI>mp;
 
main(){
  IOS;
  cin>>n;
  REP(i,0,n)cin>>a[i].x>>a[i].y>>a[i].r,a[i].id=i;
  sort(a,a+n,[](C x,C y){return x.r==y.r?x.id<y.id:x.r>y.r;});
  int k=inf;
  REP(i,0,n){
    if(rmv[i])continue;
    if(2*a[i].r<k){
      k=a[i].r;
      mp.clear();
      REP(j,i,n){
 
 
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Compilation message (stderr)

circle_selection.cpp:19:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 0 / 15
• Subtask 4: 0 / 23
• Subtask 5: 30 / 30
• Subtask 6: 0 / 13