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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 |
---|---|---|---|---|---|---|---|---|---|
#90529 | #5251. Constellations | SolitaryDream# | WA | 1184ms | 134544kb | C++20 | 1.4kb | 2023-03-23 14:48:48 | 2023-03-23 14:48:51 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int N=4e3+1e2+7;
int n,sx[N],sy[N],sxx[N],syy[N],c[N],x[N],y[N];
int cald(int a,int b)
{
return sxx[a]+sxx[b]-2*sx[a]*sx[b]+syy[a]+syy[b]-2*sy[a]*sy[b];
}
int fa[N];
int find(int x)
{
return x==fa[x]?x:fa[x]=find(fa[x]);
}
struct ND{
int x,y;
int A,B;
};
bool operator <(const ND &a,const ND &b)
{
if(a.A*b.B!=b.A*a.B)
return a.A*b.B>b.A*a.B;
if(a.x!=b.x)
return a.x>b.x;
return a.y>b.y;
}
priority_queue<ND>q;
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cin>>n;
for(int i=1;i<=n;i++)
cin>>x[i]>>y[i],fa[i]=i,sx[i]=x[i],sy[i]=y[i],sxx[i]=x[i]*x[i],syy[i]=y[i]*y[i],c[i]=1;
for(int i=1;i<=n;i++)
for(int j=i+1;j<=n;j++)
q.push({i,j,cald(i,j),c[i]*c[j]});
int t=n;
while(!q.empty())
{
auto [x,y,A,B]=q.top();
q.pop();
if(find(x)!=x||find(y)!=y)
continue;
++t;
fa[x]=t,fa[y]=t;
fa[t]=t;
c[t]=c[x]+c[y];
sx[t]=sx[x]+sx[y];
sy[t]=sy[x]+sy[y];
sxx[t]=sxx[x]+sxx[y];
syy[t]=syy[x]+syy[y];
cout<<c[t]<<"\n";
for(int i=1;i<t;i++)
if(find(i)==i)
q.push({i,t,cald(i,t),c[i]*c[t]});
}
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 3356kb
input:
2 0 0 1 0
output:
2
result:
ok single line: '2'
Test #2:
score: -100
Wrong Answer
time: 1184ms
memory: 134544kb
input:
2000 1000 -1000 1000 -999 1000 -998 1000 -997 1000 -996 1000 -995 1000 -994 1000 -993 1000 -992 1000 -991 1000 -990 1000 -989 1000 -988 1000 -987 1000 -986 1000 -985 1000 -984 1000 -983 1000 -982 1000 -981 1000 -980 1000 -979 1000 -978 1000 -977 1000 -976 1000 -975 1000 -974 1000 -973 1000 -972 1000...
output:
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 10...
result:
wrong answer 2nd lines differ - expected: '2', found: '3'