結果
問題 | No.1254 補強への架け橋 |
ユーザー | kiyoshi0205 |
提出日時 | 2020-10-09 22:15:16 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 354 ms / 2,000 ms |
コード長 | 3,958 bytes |
コンパイル時間 | 2,862 ms |
コンパイル使用メモリ | 207,672 KB |
実行使用メモリ | 33,664 KB |
最終ジャッジ日時 | 2024-07-20 12:09:38 |
合計ジャッジ時間 | 15,791 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
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 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 1 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 1 ms
5,376 KB |
testcase_34 | AC | 2 ms
5,376 KB |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 2 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 2 ms
5,376 KB |
testcase_39 | AC | 1 ms
5,376 KB |
testcase_40 | AC | 2 ms
5,376 KB |
testcase_41 | AC | 2 ms
5,376 KB |
testcase_42 | AC | 2 ms
5,376 KB |
testcase_43 | AC | 3 ms
5,376 KB |
testcase_44 | AC | 2 ms
5,376 KB |
testcase_45 | AC | 2 ms
5,376 KB |
testcase_46 | AC | 2 ms
5,376 KB |
testcase_47 | AC | 2 ms
5,376 KB |
testcase_48 | AC | 3 ms
5,376 KB |
testcase_49 | AC | 1 ms
5,376 KB |
testcase_50 | AC | 3 ms
5,376 KB |
testcase_51 | AC | 3 ms
5,376 KB |
testcase_52 | AC | 3 ms
5,376 KB |
testcase_53 | AC | 3 ms
5,376 KB |
testcase_54 | AC | 3 ms
5,376 KB |
testcase_55 | AC | 2 ms
5,376 KB |
testcase_56 | AC | 2 ms
5,376 KB |
testcase_57 | AC | 2 ms
5,376 KB |
testcase_58 | AC | 2 ms
5,376 KB |
testcase_59 | AC | 2 ms
5,376 KB |
testcase_60 | AC | 2 ms
5,376 KB |
testcase_61 | AC | 3 ms
5,376 KB |
testcase_62 | AC | 2 ms
5,376 KB |
testcase_63 | AC | 14 ms
5,632 KB |
testcase_64 | AC | 5 ms
5,376 KB |
testcase_65 | AC | 10 ms
5,376 KB |
testcase_66 | AC | 9 ms
5,376 KB |
testcase_67 | AC | 5 ms
5,376 KB |
testcase_68 | AC | 9 ms
5,376 KB |
testcase_69 | AC | 10 ms
5,376 KB |
testcase_70 | AC | 5 ms
5,376 KB |
testcase_71 | AC | 5 ms
5,376 KB |
testcase_72 | AC | 11 ms
5,376 KB |
testcase_73 | AC | 5 ms
5,376 KB |
testcase_74 | AC | 11 ms
5,376 KB |
testcase_75 | AC | 8 ms
5,376 KB |
testcase_76 | AC | 3 ms
5,376 KB |
testcase_77 | AC | 7 ms
5,376 KB |
testcase_78 | AC | 13 ms
5,376 KB |
testcase_79 | AC | 14 ms
5,376 KB |
testcase_80 | AC | 12 ms
5,376 KB |
testcase_81 | AC | 14 ms
5,376 KB |
testcase_82 | AC | 13 ms
5,376 KB |
testcase_83 | AC | 190 ms
24,320 KB |
testcase_84 | AC | 181 ms
23,680 KB |
testcase_85 | AC | 111 ms
16,128 KB |
testcase_86 | AC | 144 ms
21,120 KB |
testcase_87 | AC | 171 ms
22,656 KB |
testcase_88 | AC | 22 ms
6,528 KB |
testcase_89 | AC | 189 ms
24,192 KB |
testcase_90 | AC | 106 ms
16,768 KB |
testcase_91 | AC | 90 ms
13,952 KB |
testcase_92 | AC | 38 ms
9,088 KB |
testcase_93 | AC | 140 ms
20,096 KB |
testcase_94 | AC | 120 ms
18,560 KB |
testcase_95 | AC | 125 ms
18,432 KB |
testcase_96 | AC | 171 ms
23,040 KB |
testcase_97 | AC | 65 ms
12,416 KB |
testcase_98 | AC | 172 ms
23,296 KB |
testcase_99 | AC | 93 ms
15,616 KB |
testcase_100 | AC | 223 ms
24,832 KB |
testcase_101 | AC | 34 ms
8,320 KB |
testcase_102 | AC | 18 ms
6,016 KB |
testcase_103 | AC | 38 ms
8,960 KB |
testcase_104 | AC | 56 ms
11,008 KB |
testcase_105 | AC | 139 ms
20,096 KB |
testcase_106 | AC | 73 ms
13,312 KB |
testcase_107 | AC | 179 ms
24,192 KB |
testcase_108 | AC | 174 ms
23,808 KB |
testcase_109 | AC | 136 ms
19,968 KB |
testcase_110 | AC | 120 ms
18,304 KB |
testcase_111 | AC | 140 ms
19,328 KB |
testcase_112 | AC | 52 ms
10,624 KB |
testcase_113 | AC | 121 ms
18,048 KB |
testcase_114 | AC | 70 ms
12,928 KB |
testcase_115 | AC | 24 ms
6,912 KB |
testcase_116 | AC | 91 ms
14,592 KB |
testcase_117 | AC | 52 ms
10,624 KB |
testcase_118 | AC | 174 ms
22,912 KB |
testcase_119 | AC | 97 ms
15,488 KB |
testcase_120 | AC | 168 ms
22,272 KB |
testcase_121 | AC | 46 ms
9,472 KB |
testcase_122 | AC | 85 ms
14,208 KB |
testcase_123 | AC | 2 ms
5,376 KB |
testcase_124 | AC | 325 ms
33,664 KB |
testcase_125 | AC | 354 ms
33,664 KB |
ソースコード
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // #include<boost/multiprecision/cpp_int.hpp> // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; #define double long double using datas=pair<ll,ll>; using ddatas=pair<double,double>; using tdata=pair<ll,datas>; using vec=vector<ll>; using mat=vector<vec>; using pvec=vector<datas>; using pmat=vector<pvec>; // using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define endl "\n" #define eb emplace_back #define print(x) cout<<x<<endl #define printyes print("Yes") #define printno print("No") #define printYES print("YES") #define printNO print("NO") #define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0) #define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0) const ll mod=1000000007; // const ll mod=998244353; const ll inf=1LL<<60; const double PI=acos(-1); const double eps=1e-9; template<class T,class E> ostream& operator<<(ostream& os,pair<T,E>& p){return os<<"{"<<p.first<<","<<p.second<<"}";} template<class T> inline bool chmax(T& a,T b){bool x=a<b;if(x)a=b;return x;} template<class T> inline bool chmin(T& a,T b){bool x=a>b;if(x)a=b;return x;} void startupcpp(){ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(15); } double distance(ddatas x,ddatas y){ double a=x.first-y.first,b=x.second-y.second; return sqrt(a*a+b*b); } ll modinv(ll a,ll m=mod) { ll b=m,u=1,v=0,t; while(b){ t=a/b; a-=t*b; swap(a,b); u-=t*v; swap(u,v); } return (u+m)%m; } ll moddevide(ll a,ll b){return (a*modinv(b))%mod;} vec modncrlistp,modncrlistm; ll modncr(ll n,ll r){ if(n<r)return 0; ll i,size=modncrlistp.size(); if(size<=n){ modncrlistp.resize(n+1); modncrlistm.resize(n+1); if(!size){ modncrlistp[0]=modncrlistm[0]=1; size++; } For(i,size,n+1){ modncrlistp[i]=modncrlistp[i-1]*i%mod; modncrlistm[i]=modinv(modncrlistp[i]); } } return modncrlistp[n]*modncrlistm[r]%mod*modncrlistm[n-r]%mod; } ll modpow(ll a,ll n,ll m=mod){ ll res=1; while(n>0){ if(n&1)res=res*a%m; a=a*a%m; n>>=1; } return res; } ll gcd(ll a,ll b){if(!b)return abs(a);return (a%b==0)?abs(b):gcd(b,a%b);} ll lcm(ll a,ll b){return a/gcd(a,b)*b;} ll countdigits(ll n){ ll ans=0; while(n){n/=10;ans++;} return ans; } ll sumdigits(ll n){ ll ans=0; while(n){ans+=n%10;n/=10;} return ans; } ll N,M,K,H,W,A,B,C,D; string s,t; ll ans; mat g; vec par,ch,depth; void dfs(ll now,ll d,ll parent){ if(!chmax(ch[now],1LL))return; par[now]=parent; depth[now]=d; for(auto next:g[now])dfs(next,d+1,now); } int main(){ // startupcpp(); // int codeforces;cin>>codeforces;while(codeforces--){ ll i,j=0; cin>>N; g.resize(N); par.resize(N); depth.resize(N); ch.resize(N,0); map<datas,ll> mp; pvec edge(N); rep(i,N){ cin>>A>>B;--A;--B; g[A].eb(B); g[B].eb(A); edge[i]=datas(A,B); mp[datas(A,B)]=mp[datas(B,A)]=i; } dfs(0,0,-1); rep(i,N){ if(abs(depth[edge[i].first]-depth[edge[i].second])!=1)break; } set<ll> ans;ans.insert(i+1); A=edge[i].first;B=edge[i].second; while(A!=B){ if(depth[A]>depth[B])swap(A,B); ans.insert(mp[datas(B,par[B])]+1); B=par[B]; } print(ans.size()); output(ans); }