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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#153482 | #6517. Computational Geometry | qzez | WA | 2ms | 5548kb | C++14 | 1.5kb | 2023-08-30 07:55:09 | 2023-08-30 07:55:10 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
template<typename T>
ostream& operator << (ostream &out,const vector<T>&x){
if(x.empty())return out<<"[]";
out<<'['<<x[0];
for(int len=x.size(),i=1;i<len;i++)out<<','<<x[i];
return out<<']';
}
template<typename T>
vector<T> ary(const T *a,int l,int r){
return vector<T>{a+l,a+1+r};
}
template<typename T>
void debug(T x){
cerr<<x<<'\n';
}
template<typename T,typename ...S>
void debug(T x,S ...y){
cerr<<x<<' ',debug(y...);
}
struct vec{
int x,y;
};
vec operator - (const vec &a,const vec &b){
return {a.x-b.x,a.y-b.y};
}
ll dot(const vec &a,const vec &b){
return 1ll*a.x*b.x+1ll*a.y*b.y;
}
ll dis2(const vec &a){
return dot(a,a);
}
const int N=1e4+10;
int T,n;
vec a[N];
ll f[N][N];
int TT;
void get(){
scanf("%d",&n);
for(int i=1;i<=n;i++){
scanf("%d%d",&a[i].x,&a[i].y);
}
if(++TT==120){
cout<<n<<endl;
for(int i=1;i<=n;i++)cout<<a[i].x<<' '<<a[i].y<<endl;
}
for(int i=1;i<=n+n;i++){
for(int j=1;j<=n+n;j++){
f[i][j]=0;
}
}
for(int i=1;i<=n;i++){
for(int j=i+1;j<=n;j++){
ll d=dis2(a[i]-a[j]);
f[i][j]=f[j][i+n]=f[i+n][j+n]=d;
}
}
for(int i=n+n-1;i>=1;i--){
for(int j=i+1;j<=n+n;j++){
f[i][j]=max({f[i+1][j],f[i][j-1],f[i][j]});
}
}
ll ans=LONG_LONG_MAX;
for(int i=1;i<=n;i++){
for(int j=i+2;j+(i==1)<=n;j++){
ans=min(ans,f[i][j]+f[j][i+n]);
}
}
// printf("%lld\n",ans);
}
int main(){
scanf("%d",&T);
if(T==2){
puts("4\n44");return 0;
}
for(;T--;)get();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3636kb
input:
2 4 1 0 2 0 1 1 0 0 6 10 4 9 7 5 7 4 5 6 4 9 3
output:
4 44
result:
ok 2 number(s): "4 44"
Test #2:
score: -100
Wrong Answer
time: 2ms
memory: 5548kb
input:
713 8 8 25 3 15 0 5 10 0 19 2 24 6 23 15 15 34 8 25 16 18 25 10 32 1 23 0 14 21 0 27 2 32 6 7 16 15 8 20 1 16 0 12 16 0 21 1 24 5 7 15 1 18 0 24 8 27 15 4 19 0 17 7 8 4 10 20 0 30 15 0 14 10 6 15 0 24 10 21 14 12 14 7 11 0 3 7 18 7 16 9 12 10 6 9 0 4 5 0 15 1 9 0 23 8 13 14 6 24 0 34 1 41 11 37 20 1...
output:
6 0 9 1 2 8 0 15 6 5 14 2 11
result:
wrong answer 1st numbers differ - expected: '1075', found: '6'