QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#635337 | #9462. Safest Buildings | ucup-team3586# | AC ✓ | 1ms | 3668kb | C++23 | 1.6kb | 2024-10-12 19:32:14 | 2024-10-12 19:32:14 |
Judging History
answer
//Author: Kevin
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
#define ll long long
#define ull unsigned ll
#define pb emplace_back
#define mp make_pair
#define ALL(x) (x).begin(),(x).end()
#define rALL(x) (x).rbegin(),(x).rend()
#define srt(x) sort(ALL(x))
#define rev(x) reverse(ALL(x))
#define rsrt(x) sort(rALL(x))
#define sz(x) (int)(x.size())
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define lb(v,x) (int)(lower_bound(ALL(v),x)-v.begin())
#define ub(v,x) (int)(upper_bound(ALL(v),x)-v.begin())
#define uni(v) v.resize(unique(ALL(v))-v.begin())
#define longer __int128_t
void die(string S){puts(S.c_str());exit(0);}
int x[105],y[105];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int t;
cin>>t;
while(t--)
{
int n,R,r;
cin>>n>>R>>r;
for(int i=1;i<=n;i++)
cin>>x[i]>>y[i];
int cnt=0;
for(int i=1;i<=n;i++)
{
int len=abs(R-r-r);
if(x[i]*x[i]+y[i]*y[i]<=len*len)
cnt++;
}
if(cnt)
{
cout<<cnt<<'\n';
for(int i=1;i<=n;i++)
{
int len=abs(R-r-r);
if(x[i]*x[i]+y[i]*y[i]<=len*len)
{
cnt--;
cout<<i;
if(cnt)
cout<<" ";
else
cout<<'\n';
}
}
}
else
{
int mn=inf;
for(int i=1;i<=n;i++)
mn=min(mn,x[i]*x[i]+y[i]*y[i]);
int cnt=0;
for(int i=1;i<=n;i++)
if(mn==x[i]*x[i]+y[i]*y[i])
cnt++;
cout<<cnt<<'\n';
for(int i=1;i<=n;i++)
if(mn==x[i]*x[i]+y[i]*y[i])
{
cnt--;
cout<<i;
if(cnt)
cout<<" ";
else
cout<<'\n';
}
}
}
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: 3668kb
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: 1ms
memory: 3604kb
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