#include <bits/stdc++.h>
#define int long long
using namespace std;
const int maxn = 3e5 + 10;
typedef pair<int,int> ii;
typedef pair<ii,int> iii;
#define ff first
#define ss second
int calc(ii x, ii y)
{
return (x.ff-y.ff)*(x.ff-y.ff) + (x.ss-y.ss)*(x.ss-y.ss);
}
bool dau[maxn];
int res[maxn];
int n;
iii a[maxn];
int id[maxn];
int f[maxn];
void update(int x, int val)
{
while (x<=n)
{
f[x] += val;
}
}
multiset<ii> ms;
bool cmp(int x, int y)
{
if (a[x].ss!=a[y].ss) return a[x].ss>a[y].ss;
return x<y;
}
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
cin>>n;
for (int i=1; i<=n; i++)
{
cin>>a[i].ff.ff>>a[i].ff.ss>>a[i].ss;
ms.insert({a[i].ff.ff-a[i].ss,i});
ms.insert({a[i].ff.ff+a[i].ss,i});
dau[i]=0;
id[i]=i;
}
sort(id+1,id+n+1,cmp);
for (int i=1; i<=n; i++)
{
int j = id[i];
if (dau[j]) continue;
ii temp = {a[j].ff.ff - a[j].ss, -1};
auto x = ms.lower_bound(temp);
vector <int> tmp;
while (x!=ms.end()&&(*x).ff <= a[j].ff.ff + a[j].ss)
{
int v = (*x).ss; x++;
if (!dau[v])
{
dau[v] = 1;
tmp.push_back(v);
}
}
for (int u:tmp)
{
res[u] = j;
ms.erase(ms.find({a[u].ff.ff-a[u].ss,u}));
ms.erase(ms.find({a[u].ff.ff+a[u].ss,u}));
}
}
for (int i=1; i<=n; i++) cout<<res[i]<<' '; cout<<'\n';
}
/**
11
9 0 2
13 0 1
11 0 2
3 0 2
3 0 1
12 0 1
9 0 1
2 0 2
5 0 1
14 0 2
14 0 1
**/
Compilation message
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:69:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
69 | for (int i=1; i<=n; i++) cout<<res[i]<<' '; cout<<'\n';
| ^~~
circle_selection.cpp:69:49: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
69 | for (int i=1; i<=n; i++) cout<<res[i]<<' '; cout<<'\n';
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1016 ms |
52460 KB |
Output is correct |
2 |
Correct |
1006 ms |
53124 KB |
Output is correct |
3 |
Correct |
1025 ms |
52644 KB |
Output is correct |
4 |
Correct |
953 ms |
52356 KB |
Output is correct |
5 |
Correct |
724 ms |
51792 KB |
Output is correct |
6 |
Correct |
665 ms |
51832 KB |
Output is correct |
7 |
Correct |
693 ms |
51840 KB |
Output is correct |
8 |
Correct |
629 ms |
51796 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
651 ms |
51576 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |