結果
問題 | No.900 aδδitivee |
ユーザー | 👑 tute7627 |
提出日時 | 2019-10-05 01:15:41 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,869 bytes |
コンパイル時間 | 2,320 ms |
コンパイル使用メモリ | 195,392 KB |
実行使用メモリ | 57,048 KB |
最終ジャッジ日時 | 2024-10-04 03:26:48 |
合計ジャッジ時間 | 9,302 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
ソースコード
#include<bits/stdc++.h> using namespace std; #define endl '\n' #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define lfs <<fixed<<setprecision(10)<< #define test cout<<"test"<<endl; #define fi first #define se second #define MP make_pair #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 = n - 1; i >= (ll)(m); i--) using ll = long long; using ld = long double; const ll MOD = 1e9+7; //const ll MOD = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T> void chmin(T &a,T b){if(a>b)a=b;} template<typename T> void chmax(T &a,T b){if(a<b)a=b;} void pmod(ll &a,ll b){a=(a+b)%MOD;} void pmod(ll &a,ll b,ll c){a=(b+c)%MOD;} void qmod(ll &a,ll b){a=(a*b)%MOD;} void qmod(ll &a,ll b,ll c){a=(b*c)%MOD;} 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;} template<typename T> vector<ll>dx={1,0,-1,0,1,1,-1,-1}; vector<ll>dy={0,1,0,-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...)); } struct edge { ll to,cost; edge(ll x,ll y):to(x),cost(y){}; edge():to(0LL),cost(0LL){}; }; //辺のオイラーツアー struct Eulertour{ ll n,m; ll root=0; vector<ll>vertex;//頂点列 vector<pair<edge,ll>>data;//辺情報 vector<ll>depth;//0から vector<vector<edge>>G; vector<pair<ll,ll>>index;//<最左index,最右index> Eulertour(vector<vector<edge>>g):G(g),n(g.size()){ depth.assign(n,-1); index.assign(n,make_pair(10*n,10*n)); dfs(root,0); m=vertex.size(); } void dfs(ll k,ll d){ depth[k]=d; for(ll i=0;i<G[k].size();i++){ if(depth[G[k][i].to]==-1){ chmin(index[k].fi,(ll)vertex.size()); index[k].se = (ll)vertex.size(); vertex.push_back(k); data.push_back(make_pair(G[k][i],1)); dfs(G[k][i].to,d+1); chmin(index[G[k][i].to].fi,(ll)vertex.size()); index[G[k][i].to].se = (ll)vertex.size(); vertex.push_back(G[k][i].to); data.push_back(make_pair(G[k][i],-1)); } } if(k==root){ chmin(index[root].fi,(ll)vertex.size()); index[root].se = (ll)vertex.size(); vertex.push_back(root); data.push_back(MP(edge(),0)); } } ll deep(ll x){return depth[x];} vector<ll>output(){//辺のコスト列を返す vector<ll>ret(m); for(ll i=0;i<m;i++){ ret[i]=data[i].fi.cost*data[i].se; } return ret; } vector<P>output2(){//辺のコスト列と正の辺の個数のペア vector<P>ret(m); for(ll i=0;i<m;i++){ ret[i].fi=data[i].fi.cost*data[i].se; ret[i].se=max(0LL,data[i].se); } return ret; } }; template<typename T> struct LazySegmentTree{ using F = function<T(T,T)>; vector<T> data, lazy; ll n,lastlen = 1; F func = [](T a, T b){return MP(a.fi+b.fi,a.se+b.se);}; T iden = MP(0,0); //identity element function<T(T,T,ll)> f_lazy = [](T a, T b,ll range){return MP(a.fi+b.fi*(2*a.se-range),a.se);}; T iden_l = MP(0,0); function<T(T,ll)> f_trans = [](T a, ll range){return a;}; LazySegmentTree(vector<T> v){ n = (ll)v.size(); while(lastlen < n)lastlen *= 2; data.assign(lastlen*2-1,iden); lazy.assign(lastlen*2-1,iden_l); for(ll i=0;i<n;i++)data[i+lastlen-1] = v[i]; for(ll i=lastlen-2;i>=0;i--){ data[i] = func(data[2*i+1], data[2*i+2]); } } void eval(ll k, ll left, ll right){ if(lazy[k] != iden_l){ data[k] = f_lazy(data[k], f_trans(lazy[k],right-left),right-left); if(k <= lastlen - 2){ lazy[2*k+1] = f_lazy(lazy[2*k+1],lazy[k],right-left); lazy[2*k+2] = f_lazy(lazy[2*k+2],lazy[k],right-left); } lazy[k] = iden_l; } } void update(ll a,ll b,T x,ll point=0LL, ll left=0LL,ll right=-1LL){ if(right<0)right=lastlen; eval(point,left,right); if(b <= left || right <= a); else if(a <= left && right <= b ){ lazy[point] = x; eval(point,left,right); } else{ update(a,b,x,point*2+1, left, (left+right)/2); update(a,b,x,point*2+2, (left+right)/2, right); data[point] = func(data[2*point+1], data[2*point+2]); } } T query(ll a,ll b,ll point=0LL,ll left=0LL,ll right=-1LL){ if(right<0)right=lastlen; T ret = iden; eval(point,left,right); if(b <= left || right <= a); else if(a <= left && right <= b ){ ret = func(ret,data[point]); } else{ T p=query(a,b,point*2+1, left, (left+right)/2); T q=query(a,b,point*2+2, (left+right)/2, right); data[point] = func(data[2*point+1], data[2*point+2]); ret = func(ret,p); ret = func(ret,q); } return ret; } void print(){ ll num=0; for(ll i=lastlen;i>0;i/=2)num++; ll tmp=1; for(ll i=0;i<num;i++,tmp*=2){ for(ll j=0;j<tmp;j++){ if(data[tmp-1+j]==iden)cout<<"x"<<" "; else cout<<data[tmp-1+j]<<" "; }; cout<<"|"; } cout<<endl; tmp=1; for(ll i=0;i<num;i++,tmp*=2){ for(ll j=0;j<tmp;j++){ if(lazy[tmp-1+j]==iden_l)cout<<"x"<<" "; else cout<<lazy[tmp-1+j]<<" "; } cout<<"|"; } cout<<endl; } }; int main(){ cin.tie(NULL); ios_base::sync_with_stdio(false); ll res=0,res1=INF,res2=-INF,buf=0; bool judge = true; ll n;cin>>n; vector<vector<struct edge>>g(n); for(ll i=0;i<n-1;i++){ ll u,v,c; cin>>u>>v>>c; g[u].emplace_back(v,c); g[v].emplace_back(u,c); } Eulertour et(g); auto v=et.output2(); LazySegmentTree<P>segtree(v); ll q;cin>>q; while(q--){ ll sw;cin>>sw; if(sw==1){ ll a,x;cin>>a>>x; ll l=et.index[a].fi,r=et.index[a].se; segtree.update(l,r,MP(x,0)); } else { ll a;cin>>a; ll l=et.index[0].fi; ll r=et.index[a].fi; cout<<segtree.query(l,r).fi<<endl; } } return 0; }