結果
問題 | No.1207 グラフX |
ユーザー | blackyuki |
提出日時 | 2020-08-30 13:24:42 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 374 ms / 2,000 ms |
コード長 | 3,385 bytes |
コンパイル時間 | 2,517 ms |
コンパイル使用メモリ | 220,672 KB |
実行使用メモリ | 44,992 KB |
最終ジャッジ日時 | 2024-11-15 06:41:02 |
合計ジャッジ時間 | 16,256 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 310 ms
28,260 KB |
testcase_01 | AC | 305 ms
28,268 KB |
testcase_02 | AC | 310 ms
28,292 KB |
testcase_03 | AC | 321 ms
28,276 KB |
testcase_04 | AC | 310 ms
28,264 KB |
testcase_05 | AC | 360 ms
44,920 KB |
testcase_06 | AC | 374 ms
44,928 KB |
testcase_07 | AC | 362 ms
44,916 KB |
testcase_08 | AC | 260 ms
20,024 KB |
testcase_09 | AC | 269 ms
24,040 KB |
testcase_10 | AC | 360 ms
37,632 KB |
testcase_11 | AC | 360 ms
44,992 KB |
testcase_12 | AC | 249 ms
20,892 KB |
testcase_13 | AC | 175 ms
10,400 KB |
testcase_14 | AC | 303 ms
27,248 KB |
testcase_15 | AC | 263 ms
22,644 KB |
testcase_16 | AC | 161 ms
11,116 KB |
testcase_17 | AC | 210 ms
17,964 KB |
testcase_18 | AC | 166 ms
17,476 KB |
testcase_19 | AC | 231 ms
15,200 KB |
testcase_20 | AC | 309 ms
27,900 KB |
testcase_21 | AC | 34 ms
6,816 KB |
testcase_22 | AC | 206 ms
18,188 KB |
testcase_23 | AC | 222 ms
20,200 KB |
testcase_24 | AC | 146 ms
15,948 KB |
testcase_25 | AC | 297 ms
27,660 KB |
testcase_26 | AC | 235 ms
21,548 KB |
testcase_27 | AC | 279 ms
25,072 KB |
testcase_28 | AC | 278 ms
24,224 KB |
testcase_29 | AC | 258 ms
24,568 KB |
testcase_30 | AC | 145 ms
12,776 KB |
testcase_31 | AC | 154 ms
8,968 KB |
testcase_32 | AC | 116 ms
12,536 KB |
testcase_33 | AC | 127 ms
12,728 KB |
testcase_34 | AC | 259 ms
22,268 KB |
testcase_35 | AC | 33 ms
6,816 KB |
testcase_36 | AC | 249 ms
23,500 KB |
testcase_37 | AC | 232 ms
19,232 KB |
testcase_38 | AC | 63 ms
7,424 KB |
testcase_39 | AC | 131 ms
13,876 KB |
testcase_40 | AC | 133 ms
7,004 KB |
testcase_41 | AC | 207 ms
14,944 KB |
testcase_42 | AC | 2 ms
6,816 KB |
testcase_43 | AC | 2 ms
6,816 KB |
testcase_44 | AC | 2 ms
6,816 KB |
testcase_45 | AC | 280 ms
28,280 KB |
testcase_46 | AC | 276 ms
28,176 KB |
testcase_47 | AC | 285 ms
29,156 KB |
testcase_48 | AC | 274 ms
28,272 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(long long i=0;i<(long long)(n);i++) #define REP(i,k,n) for(long long i=k;i<(long long)(n);i++) #define all(a) a.begin(),a.end() #define pb emplace_back #define eb emplace_back #define lb(v,k) (lower_bound(all(v),k)-v.begin()) #define ub(v,k) (upper_bound(all(v),k)-v.begin()) #define fi first #define se second #define pi M_PI #define PQ(T) priority_queue<T> #define SPQ(T) priority_queue<T,vector<T>,greater<T>> #define dame(a) {out(a);return 0;} #define decimal cout<<fixed<<setprecision(15); #define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());} typedef long long ll; typedef pair<ll,ll> P; typedef tuple<ll,ll,ll> PP; typedef tuple<ll,ll,ll,ll> PPP; typedef multiset<ll> S; using vi=vector<ll>; using vvi=vector<vi>; using vvvi=vector<vvi>; using vvvvi=vector<vvvi>; using vp=vector<P>; using vvp=vector<vp>; using vb=vector<bool>; using vvb=vector<vb>; const ll inf=1001001001001001001; const ll INF=1001001001; const ll mod=1000000007; const double eps=1e-10; template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;} template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;} template<class T> void out(T a){cout<<a<<'\n';} template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';} template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';} template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);} template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';} template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);} template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);} template<class T> void yesno(T b){if(b)out("yes");else out("no");} template<class T> void YesNo(T b){if(b)out("Yes");else out("No");} template<class T> void YESNO(T b){if(b)out("YES");else out("NO");} template<class T> void noyes(T b){if(b)out("no");else out("yes");} template<class T> void NoYes(T b){if(b)out("No");else out("Yes");} template<class T> void NOYES(T b){if(b)out("NO");else out("YES");} void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);} ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);} ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;} vi parent,rankk,sz; void init(ll n){ parent=vi(n); rankk=vi(n); sz=vi(n,1); rep(i,n)parent[i]=i; } ll root(ll i){if(parent[i]==i)return i;return root(parent[i]);} ll getsize(ll i){return sz[root(i)];} bool same(ll a,ll b){return root(a)==root(b);} bool heigou(ll x,ll y){ x=root(x);y=root(y); if(x==y)return false; if(rankk[x]<rankk[y]){parent[x]=y;sz[y]+=sz[x];} else{parent[y]=x;sz[x]+=sz[y];} if(rankk[x]==rankk[y])rankk[x]++; return true; } vvp g; ll ans=0; vi s; ll n,m,k; void dfs(int i,int p,ll t){ for(auto x:g[i])if(x.fi!=p){ dfs(x.fi,i,x.se); s[i]+=s[x.fi]; } if(i!=0)ans=(ans+s[i]*(n-s[i])%mod*modpow(k,t))%mod; } int main(){ cin>>n>>m>>k; init(n); s=vi(n,1); g=vvp(n); vector<PP> hen(m); rep(i,m){ ll a,b,c;cin>>a>>b>>c;a--;b--; hen[i]=PP(c,a,b); } sort(all(hen)); rep(i,m){ ll a,b,c;tie(c,a,b)=hen[i]; if(heigou(a,b)){ g[a].pb(b,c); g[b].pb(a,c); } } dfs(0,-1,0); out(ans); }