結果
問題 | No.2295 Union Path Query (Medium) |
ユーザー | 沙耶花 |
提出日時 | 2023-05-05 22:49:47 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,281 bytes |
コンパイル時間 | 5,074 ms |
コンパイル使用メモリ | 274,076 KB |
実行使用メモリ | 217,012 KB |
最終ジャッジ日時 | 2024-11-23 10:35:00 |
合計ジャッジ時間 | 192,320 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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
38,352 KB |
testcase_01 | AC | 3 ms
10,496 KB |
testcase_02 | AC | 3 ms
10,496 KB |
testcase_03 | TLE | - |
testcase_04 | TLE | - |
testcase_05 | AC | 3,713 ms
63,712 KB |
testcase_06 | AC | 2,387 ms
113,704 KB |
testcase_07 | TLE | - |
testcase_08 | AC | 2,452 ms
113,948 KB |
testcase_09 | AC | 2,390 ms
113,948 KB |
testcase_10 | AC | 2,999 ms
142,516 KB |
testcase_11 | TLE | - |
testcase_12 | TLE | - |
testcase_13 | TLE | - |
testcase_14 | AC | 2,408 ms
15,776 KB |
testcase_15 | AC | 682 ms
108,444 KB |
testcase_16 | AC | 671 ms
108,444 KB |
testcase_17 | AC | 1,667 ms
60,316 KB |
testcase_18 | AC | 3,903 ms
58,652 KB |
testcase_19 | TLE | - |
testcase_20 | AC | 2,713 ms
58,780 KB |
testcase_21 | AC | 2,703 ms
58,524 KB |
testcase_22 | TLE | - |
testcase_23 | TLE | - |
testcase_24 | TLE | - |
testcase_25 | AC | 1,178 ms
108,572 KB |
testcase_26 | AC | 3,890 ms
108,588 KB |
testcase_27 | AC | 3,661 ms
108,564 KB |
testcase_28 | AC | 3,687 ms
108,696 KB |
testcase_29 | AC | 3,362 ms
108,444 KB |
testcase_30 | AC | 3,596 ms
108,436 KB |
testcase_31 | AC | 3,404 ms
108,440 KB |
testcase_32 | AC | 3,279 ms
108,436 KB |
testcase_33 | AC | 3,260 ms
108,440 KB |
testcase_34 | AC | 3,195 ms
108,436 KB |
testcase_35 | AC | 3,152 ms
108,440 KB |
testcase_36 | AC | 3,169 ms
108,440 KB |
testcase_37 | AC | 3,141 ms
108,440 KB |
testcase_38 | AC | 3,094 ms
108,440 KB |
testcase_39 | AC | 3,068 ms
108,444 KB |
testcase_40 | AC | 2,986 ms
108,568 KB |
testcase_41 | AC | 3,030 ms
108,440 KB |
testcase_42 | AC | 3,108 ms
108,444 KB |
testcase_43 | AC | 3,197 ms
108,444 KB |
testcase_44 | TLE | - |
testcase_45 | TLE | - |
testcase_46 | AC | 3,136 ms
108,400 KB |
testcase_47 | AC | 3,333 ms
108,568 KB |
testcase_48 | TLE | - |
testcase_49 | TLE | - |
testcase_50 | AC | 2,461 ms
108,436 KB |
testcase_51 | AC | 3,123 ms
108,440 KB |
testcase_52 | AC | 3,463 ms
108,564 KB |
testcase_53 | AC | 3,103 ms
108,440 KB |
testcase_54 | AC | 3,151 ms
108,460 KB |
testcase_55 | AC | 3,141 ms
217,012 KB |
ソースコード
#include <stdio.h> #include <bits/stdc++.h> #include <atcoder/all> using namespace atcoder; using mint = modint998244353; using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf32 1000000001 #define Inf64 4000000000000000001 template <typename T> struct perArray{ struct node{ T value; int l=-1,r=-1; }; int sz; vector<node> nodes; vector<int> roots; void build(vector<T> v,int now = -1){ if(now==-1){ sz = v.size(); nodes.push_back(node()); now = 0; roots.push_back(0); } if(v.size()==1){ nodes[now].value = v[0]; return; } vector<T> l,r; rep(i,v.size()){ if(i<v.size()/2){ l.push_back(v[i]); } else{ r.push_back(v[i]); } } nodes[now].l = nodes.size(); nodes.push_back(node()); build(l,nodes[now].l); nodes[now].r = nodes.size(); nodes.push_back(node()); build(r,nodes[now].r); } int set(int p, int ind, T x, int now = -1, int length = -1){ int ret = roots.size(); if(now==-1){ roots.push_back(nodes.size()); now = nodes.size(); nodes.push_back(nodes[roots[p]]); length = sz; } if(length==1){ nodes[now].value = x; } else{ if(ind < (length>>1)){ int temp = nodes[now].l; nodes[now].l = nodes.size(); nodes.push_back(nodes[temp]); set(p,ind,x,nodes.size()-1,(length>>1)); } else{ int temp = nodes[now].r; nodes[now].r = nodes.size(); nodes.push_back(nodes[temp]); set(p,ind - (length>>1),x,nodes.size()-1,(length+1)>>1); } } return ret; } T get(int p,int ind,int now = -1,int length = -1){ if(now==-1){ now = roots[p]; length = sz; } if(length==1)return nodes[now].value; if(ind<(length>>1)){ return get(p,ind,nodes[now].l,length>>1); } else{ return get(p,ind - (length>>1),nodes[now].r,(length+1)>>1); } } int size(){ return sz; } }; struct perDsu{ perArray<int> A; vector<int> roots; perDsu(int n){ vector<int> t(n,-1); A.build(t); roots.push_back(0); } int merge(int p,int a,int b){ int ret = roots.size(); int La = leader(p,a); int Lb = leader(p,b); if(La==Lb)return p; if(size(p,La)<size(p,Lb))swap(La,Lb); int temp = A.set(roots[p],La,-(size(p,La)+size(p,Lb))); roots.push_back(A.set(temp,Lb,La)); return ret; } bool same(int p,int a,int b){ return (leader(p,a)==leader(p,b)); } int size(int p,int a){ int temp = A.get(roots[p],a); if(temp<0)return -temp; return size(p,temp); } int leader(int p,int a){ int temp = A.get(roots[p],a); if(temp<0)return a; return leader(p,temp); } vector<vector<int>> groups(int p){ vector<vector<int>> temp(A.size(),vector<int>()); rep(i,A.size()){ temp[leader(p,i)].push_back(i); } vector<vector<int>> ret; rep(i,temp.size()){ if(temp[i].size()>0)ret.push_back(temp[i]); } return ret; } }; int main(){ int n,x0,q; cin>>n>>x0>>q; perDsu D(n); vector<int> t(q+1),a(q+1),b(q+1),p(q+1); int x= x0; for(int i=1;i<=q;i++){ cin>>t[i]; p[i] = p[i-1]; if(t[i]==1){ cin>>a[i]>>b[i]; p[i] = D.merge(p[i],a[i],x); } if(t[i]==2){ cin>>a[i]>>b[i]; if(a[i]==b[i])continue; if(D.same(p[i],a[i],b[i])){ int ok = 0,ng = i; while(ng-ok>1){ int mid = (ok+ng)/2; if(D.same(p[mid],a[i],b[i]))ng = mid; else ok = mid; } x += b[ok+1]; x %= n; } } if(t[i]==3){ cin>>a[i]; } if(t[i]==4){ cin>>a[i]; x += a[i]; x %= n; } } //cout<<'a'<<endl; x = x0; dsu D2(n); vector<mint> A(n); for(int i=1;i<=q;i++){ if(t[i]==1){ int la = D2.leader(a[i]),lb = D2.leader(x); if(D2.same(la,lb))continue; mint tt = D2.size(a[i]); tt *= D2.size(x); tt *= b[i]; tt += A[la] + A[lb]; D2.merge(la,lb); int lc = D2.leader(la); int ld = lc^la^lb; A[ld] = 0; A[lc] = tt; } if(t[i]==2){ if(a[i]==b[i]){ cout<<0<<endl; continue; } if(D.same(p[i],a[i],b[i])){ int ok = 0,ng = i; while(ng-ok>1){ int mid = (ok+ng)/2; if(D.same(p[mid],a[i],b[i]))ng = mid; else ok = mid; } x += b[ok+1]; x %= n; cout<<b[ok+1]<<endl; } else cout<<-1<<endl; } if(t[i]==3){ cout<<A[D2.leader(a[i])].val()<<endl; } if(t[i]==4){ x += a[i]; x %= n; } } return 0; }