#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define int int_fast64_t
using namespace std;
typedef pair<int,int> pii;
typedef vector<int> VI;
#define REP(i,j,k) for(register int i=(j);i<(k);++i)
#define RREP(i,j,k) for(register int i=(j)-1;i>=(k);--i)
#define ALL(a) a.begin(),a.end()
#define MST(a,v) memset(a,(v),sizeof a)
#define pb push_back
#define F first
#define S second
#define endl '\n'
// #define __debug
#ifdef __debug
#define IOS (void)0
#define de(...) cerr<<__VA_ARGS__
#define ar(a,s,t) {REP(__i,s,t)de(a[__i]<<' ');de(endl);}
#else
#define IOS cin.tie(0),cout.tie(0),ios_base::sync_with_stdio(false)
#define de(...) (void)0
#define ar(...) (void)0
#endif
/***********************************default***********************************/
#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,list<int>>mp;
list<int>ls;
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;});
// MST(rmv,0);
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,0,n){
if(!rmv[j]){
mp[a[j].x/k*bl+a[j].y/k].pb(j);
}
}
}
REP(x,a[i].x/k-2,a[i].x/k+3)REP(y,a[i].y/k-2,a[i].y/k+3){
auto&tls=mp[x*bl+y];
for(auto it=tls.begin();it!=tls.end();++it){
if(rmv[*it])continue;
C c=a[*it];
if(f2(a[i].x-c.x)+f2(a[i].y-c.y)<=f2(a[i].r+c.r)){
res[c.id]=a[i].id;
rmv[*it]=1;
// tls.erase(it++);
}a#include<bits/stdc++.h>
#define int int64_t
using namespace std;
typedef pair<int,int> pii;
#define REP(i,j,k) for(int i=(j);i<(k);++i)
#define pb push_back
#define F first
#define S second
#define IOS cin.tie(0),ios_base::sync_with_stdio(false)
#define f2(x) ((x)*(x))
const int maxn=3e5+3,inf=1ll<<60,bl=2e9+3;
struct C{int x,y,r,id;}a[maxn];
int n,res[maxn];
bitset<maxn>rmv;
unordered_map<int,vector<int>>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)if(!rmv[j])mp[a[j].x/k*bl+a[j].y/k].pb(j);
}
int xx=a[i].x/k,yy=a[i].y/k;
REP(x,xx-2,xx+3)REP(y,yy-2,yy+3){
auto&tls=mp[x*bl+y];
for(auto it=tls.begin();it!=tls.end();++it){
if(!rmv[*it]&&f2(a[i].x-a[*it].x)+f2(a[i].y-a[*it].y)<=f2(a[i].r+a[*it].r)){
res[a[*it].id]=a[i].id;
rmv[*it]=1;
}
}
}
}
REP(i,0,n)cout<<res[i]+1<<" ";
}
}
}
}
REP(i,0,n)cout<<res[i]+1<<" ";
}
Compilation message
circle_selection.cpp:60:7: error: stray '#' in program
}a#include<bits/stdc++.h>
^
circle_selection.cpp:61:0: warning: "int" redefined
#define int int64_t
circle_selection.cpp:3:0: note: this is the location of the previous definition
#define int int_fast64_t
circle_selection.cpp:64:0: warning: "REP" redefined
#define REP(i,j,k) for(int i=(j);i<(k);++i)
circle_selection.cpp:7:0: note: this is the location of the previous definition
#define REP(i,j,k) for(register int i=(j);i<(k);++i)
circle_selection.cpp:68:0: warning: "IOS" redefined
#define IOS cin.tie(0),ios_base::sync_with_stdio(false)
circle_selection.cpp:21:0: note: this is the location of the previous definition
#define IOS cin.tie(0),cout.tie(0),ios_base::sync_with_stdio(false)
circle_selection.cpp:33:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main(){
^
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:60:8: error: expected ';' before 'include'
}a#include<bits/stdc++.h>
^~~~~~~
circle_selection.cpp:62:20: warning: statement has no effect [-Wunused-value]
using namespace std;
^
circle_selection.cpp:77:7: error: expected ';' before '{' token
main(){
^
circle_selection.cpp:71:22: warning: unused variable 'inf' [-Wunused-variable]
const int maxn=3e5+3,inf=1ll<<60,bl=2e9+3;
^~~
circle_selection.cpp:71:34: warning: unused variable 'bl' [-Wunused-variable]
const int maxn=3e5+3,inf=1ll<<60,bl=2e9+3;
^~
circle_selection.cpp:72:24: warning: unused variable 'a' [-Wunused-variable]
struct C{int x,y,r,id;}a[maxn];
^
circle_selection.cpp:73:5: warning: unused variable 'n' [-Wunused-variable]
int n,res[maxn];
^
circle_selection.cpp:73:7: warning: unused variable 'res' [-Wunused-variable]
int n,res[maxn];
^~~
