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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#631563 | #9462. Safest Buildings | ucup-team3555# | AC ✓ | 0ms | 3664kb | C++20 | 916b | 2024-10-12 08:46:12 | 2024-10-12 08:46:12 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
const int N=1e6+5;
int n;
ll R,r;
vector<int> ans;
struct Nod{
ll x,y;
int id;
bool operator <(const Nod &a) const{return x*x+y*y<a.x*a.x+a.y*a.y;}
}a[N];
ll Len(Nod a){return a.x*a.x+a.y*a.y;}
void SOLVE(){
cin>>n>>R>>r;
for(int i=1;i<=n;i++) cin>>a[i].x>>a[i].y,a[i].id=i;
sort(a+1,a+n+1);
ans.clear();
R-=r;
int len=1;
while(len<=n&&(R-r)*(R-r)>=Len(a[len])) ++len;
if(len>1) for(int i=1;i<len;i++) ans.pb(a[i].id);
else for(int i=1;i<=n;i++) if(Len(a[i])==Len(a[1])) ans.pb(a[i].id);
sort(ans.begin(),ans.end());
cout<<(int)ans.size()<<'\n';
for(int i=0;i<(int)ans.size();i++) cout<<ans[i]<<(i==(int)ans.size()-1?'\n':' ');
}
int main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int _;cin>>_;
while(_--) SOLVE();
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3664kb
input:
2 3 10 5 3 4 3 5 3 6 3 10 4 -7 -6 4 5 5 4
output:
1 1 2 2 3
result:
ok 5 tokens
Test #2:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
100 6 100 50 42 -31 -66 7 13 84 94 13 51 -14 -18 9 12 100 50 -78 56 -56 -64 -22 54 -41 14 -14 55 21 -83 75 21 -51 56 -31 74 -34 79 22 -37 1 -12 14 100 50 15 71 -44 41 -56 78 -48 22 42 -2 -70 28 51 -34 49 -31 -36 67 63 70 34 9 27 -33 36 -93 -52 -19 8 100 14 21 89 67 60 -12 -3 24 -37 -51 14 -30 8 -75 ...
output:
1 6 1 12 1 11 4 3 4 5 6 7 1 4 6 8 9 12 13 1 1 6 2 4 5 7 13 14 7 1 3 4 5 6 7 9 1 11 9 1 2 3 4 5 6 7 8 9 1 29 1 5 1 29 47 1 2 3 4 5 6 7 9 10 11 12 14 17 18 19 21 22 24 25 26 27 28 30 31 32 33 34 35 36 37 38 39 40 41 43 44 45 46 47 48 50 51 52 53 54 55 56 2 21 29 20 1 5 6 7 10 13 14 18 21 25 26 30 33 3...
result:
ok 1674 tokens
Extra Test:
score: 0
Extra Test Passed