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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#665535 | #9462. Safest Buildings | ucup-team4975# | AC ✓ | 1ms | 3876kb | C++23 | 1.5kb | 2024-10-22 13:54:37 | 2024-10-22 13:54:45 |
Judging History
answer
#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<cstring>
#include<iomanip>
#include<string>
#include<vector>
using namespace std;
const int N=5010;
typedef long long ll;
const ll inf=1000000000000000000ll;
int n,R,r;
struct Circle{
int x,y;
ll val;
}a[N];
vector<int>ans;
inline ll fpow(ll x)
{
return x*x;
}
int main()
{
int T;
scanf("%d",&T);
while(T--)
{
ans.clear();
scanf("%d%d%d",&n,&R,&r);
for(int i=1;i<=n;i++)
scanf("%d%d",&a[i].x,&a[i].y),a[i].val=0ll;
bool has_maxi=0;
int m=R-r;
if(m<=r)
{
for(int i=1;i<=n;i++)
{
if(fpow(a[i].x)+fpow(a[i].y)>=fpow(1ll*m+r))
a[i].val=-2;
else if(fpow(a[i].x)+fpow(a[i].y)<=fpow(1ll*r-m))
a[i].val=-1,has_maxi=1;
else
a[i].val=fpow(a[i].x)+fpow(a[i].y);
}
}
else
{
for(int i=1;i<=n;i++)
{
if(fpow(a[i].x)+fpow(a[i].y)>=fpow(1ll*m+r))
a[i].val=-2;
else if(fpow(a[i].x)+fpow(a[i].y)<=fpow(1ll*m-r))
a[i].val=-1,has_maxi=1;
else
a[i].val=fpow(a[i].x)+fpow(a[i].y);
}
}
if(has_maxi)
{
for(int i=1;i<=n;i++)
if(a[i].val==-1)ans.push_back(i);
}
else
{
ll mini=inf;
for(int i=1;i<=n;i++)
if(a[i].val>=0)mini=min(mini,a[i].val);
for(int i=1;i<=n;i++)
if(a[i].val==mini)ans.push_back(i);
}
int siz=ans.size();
printf("%d\n",siz);
for(int i=0,lim=ans.size();i<lim;i++)
{
printf("%d",ans[i]);
if(i!=lim-1)putchar(' ');
}
putchar('\n');
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3808kb
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: 3876kb
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