結果

問題 No.1365 [Cherry 1st Tune] Whose Fault?
ユーザー 👑 tute7627tute7627
提出日時 2021-01-22 23:09:42
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 291 ms / 2,000 ms
コード長 4,100 bytes
コンパイル時間 2,117 ms
コンパイル使用メモリ 203,988 KB
最終ジャッジ日時 2025-01-18 05:45:57
ジャッジサーバーID
(参考情報)
judge4 / judge5
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ファイルパターン 結果
other AC * 46
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ソースコード

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プレゼンテーションモードにする

//#define _GLIBCXX_DEBUG
#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
#define lfs cout<<fixed<<setprecision(10)
#define ALL(a) (a).begin(),(a).end()
#define ALLR(a) (a).rbegin(),(a).rend()
#define spa << " " <<
#define fi first
#define se second
#define MP make_pair
#define MT make_tuple
#define PB push_back
#define EB emplace_back
#define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++)
#define rrep(i,n,m) for(ll i = (ll)(m) - 1; i >= (ll)(n); i--)
using ll = long long;
using ld = long double;
const ll MOD1 = 1e9+7;
const ll MOD9 = 998244353;
const ll INF = 1e18;
using P = pair<ll, ll>;
template<typename T1, typename T2>bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;}
template<typename T1, typename T2>bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;}
ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});}
void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;}
void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;}
void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;}
template<typename T1,typename T2>void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;}
template<typename T>void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++){cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}};
void debug(vector<string>&v,ll h,ll w){for(ll i=0;i<h;i++){for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}};
template<typename T>void debug(vector<T>&v,ll n){if(n!=0)cout<<v[0];for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;};
template<typename T>vector<vector<T>>vec(ll x, ll y, T w){vector<vector<T>>v(x,vector<T>(y,w));return v;}
ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;}
vector<ll>dx={1,-1,0,0,1,1,-1,-1};vector<ll>dy={0,0,1,-1,1,-1,1,-1};
template<typename T>vector<T> make_v(size_t a,T b){return vector<T>(a,b);}
template<typename... Ts>auto make_v(size_t a,Ts... ts){return vector<decltype(make_v(ts...))>(a,make_v(ts...));}
template<typename T1, typename T2>ostream &operator<<(ostream &os, const pair<T1, T2>&p){return os << p.first << " " << p.second;}
template<typename T>ostream &operator<<(ostream &os, const vector<T> &v){for(auto &z:v)os << z << " ";cout<<"|"; return os;}
template<typename T>void rearrange(vector<ll>&ord, vector<T>&v){
auto tmp = v;
for(int i=0;i<tmp.size();i++)v[i] = tmp[ord[i]];
}
template<typename Head, typename... Tail>void rearrange(vector<ll>&ord,Head&& head, Tail&&... tail){
rearrange(ord, head);
rearrange(ord, tail...);
}
//mt19937 mt(chrono::steady_clock::now().time_since_epoch().count());
int popcount(ll x){return __builtin_popcountll(x);};
int poplow(ll x){return __builtin_ctzll(x);};
int pophigh(ll x){return 63 - __builtin_clzll(x);};
struct UnionFind {
vector<ll> data;
ll num;
UnionFind(ll size) : data(size, -1) ,num(size){ }
bool unite(ll x, ll y) {
x = root(x); y = root(y);
if (x != y) {
if (data[y] < data[x]) swap(x, y);
data[x] += data[y]; data[y] = x;
num--;
}
return x != y;
}
bool find(ll x, ll y) {
return root(x) == root(y);
}
ll root(ll x) {
return data[x] < 0 ? x : data[x] = root(data[x]);
}
ll size(ll x) {
return -data[root(x)];
}
};
int main(){
cin.tie(nullptr);
ios_base::sync_with_stdio(false);
ll res=0,buf=0;
bool judge = true;
ll n;cin>>n;
vector<ll>a(n),b(n),p(n);
rep(i,0,n)cin>>a[i];
rep(i,0,n)cin>>b[i];
rep(i,0,n)cin>>p[i];
UnionFind uf(n);
vector<ll>dif(n);
vector<ld>inv(n),score(n);
ld ret=0;
rep(i,0,n){
dif[i]=a[i]-b[i];
inv[i]=ld(1)/p[i];
score[i]=dif[i]*dif[i]/inv[i];
ret+=score[i];
}
ll q;cin>>q;
lfs;
while(q--){
//debug(dif,n);
//debug(inv,n);
//debug(score,n);cout<<endl;
ll u,v;cin>>u>>v;u--;v--;
ll r1=uf.root(u),r2=uf.root(v);
if(r1!=r2){
ret-=score[r1];
ret-=score[r2];
uf.unite(r1,r2);
ll r=uf.root(r1);
dif[r]=dif[r1]+dif[r2];
inv[r]=inv[r1]+inv[r2];
score[r]=dif[r]*dif[r]/inv[r];
ret+=score[r];
}
cout<<ret<<endl;
}
return 0;
}
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