結果
問題 | No.1382 Travel in Mitaru city |
ユーザー | t98slider |
提出日時 | 2022-04-08 04:07:50 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 111 ms / 2,000 ms |
コード長 | 7,177 bytes |
コンパイル時間 | 2,483 ms |
コンパイル使用メモリ | 190,084 KB |
実行使用メモリ | 16,640 KB |
最終ジャッジ日時 | 2024-05-06 01:12:36 |
合計ジャッジ時間 | 9,557 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 33 ms
5,760 KB |
testcase_07 | AC | 26 ms
5,504 KB |
testcase_08 | AC | 17 ms
5,376 KB |
testcase_09 | AC | 35 ms
5,888 KB |
testcase_10 | AC | 35 ms
5,760 KB |
testcase_11 | AC | 72 ms
11,392 KB |
testcase_12 | AC | 94 ms
11,264 KB |
testcase_13 | AC | 70 ms
11,520 KB |
testcase_14 | AC | 62 ms
11,136 KB |
testcase_15 | AC | 64 ms
11,264 KB |
testcase_16 | AC | 105 ms
16,256 KB |
testcase_17 | AC | 107 ms
16,256 KB |
testcase_18 | AC | 107 ms
16,256 KB |
testcase_19 | AC | 110 ms
16,256 KB |
testcase_20 | AC | 106 ms
16,256 KB |
testcase_21 | AC | 104 ms
16,256 KB |
testcase_22 | AC | 111 ms
16,256 KB |
testcase_23 | AC | 108 ms
16,256 KB |
testcase_24 | AC | 100 ms
16,256 KB |
testcase_25 | AC | 103 ms
16,384 KB |
testcase_26 | AC | 74 ms
11,904 KB |
testcase_27 | AC | 73 ms
12,032 KB |
testcase_28 | AC | 73 ms
12,028 KB |
testcase_29 | AC | 71 ms
12,032 KB |
testcase_30 | AC | 59 ms
11,384 KB |
testcase_31 | AC | 70 ms
10,368 KB |
testcase_32 | AC | 90 ms
11,776 KB |
testcase_33 | AC | 81 ms
11,136 KB |
testcase_34 | AC | 56 ms
8,832 KB |
testcase_35 | AC | 37 ms
7,040 KB |
testcase_36 | AC | 45 ms
10,368 KB |
testcase_37 | AC | 8 ms
5,376 KB |
testcase_38 | AC | 48 ms
11,008 KB |
testcase_39 | AC | 13 ms
5,504 KB |
testcase_40 | AC | 36 ms
9,216 KB |
testcase_41 | AC | 38 ms
9,984 KB |
testcase_42 | AC | 47 ms
11,136 KB |
testcase_43 | AC | 40 ms
10,240 KB |
testcase_44 | AC | 18 ms
6,144 KB |
testcase_45 | AC | 36 ms
9,600 KB |
testcase_46 | AC | 21 ms
6,528 KB |
testcase_47 | AC | 83 ms
14,308 KB |
testcase_48 | AC | 45 ms
9,596 KB |
testcase_49 | AC | 86 ms
15,004 KB |
testcase_50 | AC | 32 ms
8,064 KB |
testcase_51 | AC | 86 ms
14,592 KB |
testcase_52 | AC | 104 ms
16,640 KB |
testcase_53 | AC | 23 ms
6,528 KB |
testcase_54 | AC | 44 ms
9,472 KB |
testcase_55 | AC | 98 ms
16,128 KB |
testcase_56 | AC | 31 ms
7,808 KB |
testcase_57 | AC | 61 ms
11,904 KB |
testcase_58 | AC | 13 ms
5,376 KB |
testcase_59 | AC | 29 ms
7,552 KB |
testcase_60 | AC | 93 ms
15,744 KB |
testcase_61 | AC | 3 ms
5,376 KB |
testcase_62 | AC | 2 ms
5,376 KB |
testcase_63 | AC | 9 ms
5,376 KB |
testcase_64 | AC | 3 ms
5,376 KB |
testcase_65 | AC | 2 ms
5,376 KB |
testcase_66 | AC | 3 ms
5,376 KB |
testcase_67 | AC | 3 ms
5,376 KB |
testcase_68 | AC | 4 ms
5,376 KB |
testcase_69 | AC | 2 ms
5,376 KB |
testcase_70 | AC | 5 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define rep(i,n) for(int i=0;i<(int)(n);i++) #define drep(i,j,n) for(int i=0;i<(int)(n-1);i++)for(int j=i+1;j<(int)(n);j++) #define trep(i,j,k,n) for(int i=0;i<(int)(n-2);i++)for(int j=i+1;j<(int)(n-1);j++)for(int k=j+1;k<(int)(n);k++) #define codefor int test;scanf("%d",&test);while(test--) #define INT(...) int __VA_ARGS__;in(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;in(__VA_ARGS__) #define yes(ans) if(ans)printf("yes\n");else printf("no\n") #define Yes(ans) if(ans)printf("Yes\n");else printf("No\n") #define YES(ans) if(ans)printf("YES\n");else printf("NO\n") #define popcount(v) __builtin_popcountll(v) #define vector2d(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__)) #define vector3d(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__))) #define vector4d(type,name,h,w,d,...) vector<vector<vector<vector<type>>>>name(h,vector<vector<vector<type>>>(w,vector<vector<type>>(d,vector<type>(__VA_ARGS__)))) using namespace std; using ll = long long; template<class T> using rpriority_queue = priority_queue<T, vector<T>, greater<T>>; const int MOD=1000000007; const int MOD2=998244353; const int INF=1<<30; const ll INF2=1LL<<60; void scan(int& a){scanf("%d",&a);} void scan(long long& a){scanf("%lld",&a);} template<class T,class L>void scan(pair<T, L>& p){scan(p.first);scan(p.second);} template<class T,class U,class V>void scan(tuple<T,U,V>& p){scan(get<0>(p));scan(get<1>(p));scan(get<2>(p));} template<class T, size_t size> void scan(array<T, size>& a){ for(auto&& i : a) scan(i);} template<class T> void scan(T& a){cin>>a;} template<class T> void scan(vector<T>& vec){for(auto&& it:vec)scan(it);} void in(){} template <class Head, class... Tail> void in(Head& head, Tail&... tail){scan(head);in(tail...);} void print(const int& a){printf("%d",a);} void print(const long long& a){printf("%lld",a);} void print(const double& a){printf("%.15lf",a);} template<class T,class L>void print(const pair<T, L>& p){print(p.first);putchar(' ');print(p.second);} template<class T> void print(const T& a){cout<<a;} template<class T> void print(const vector<T>& vec){if(vec.empty())return;print(vec[0]);for(auto it=vec.begin();++it!= vec.end();){putchar(' ');print(*it);}} void out(){putchar('\n');} template<class T> void out(const T& t){print(t);putchar('\n');} template <class Head, class... Tail> void out(const Head& head,const Tail&... tail){print(head);putchar(' ');out(tail...);} template<class T> void dprint(const T& a){cerr<<a;} template<class T> void dprint(const vector<T>& vec){if(vec.empty())return;cerr<<vec[0];for(auto it=vec.begin();++it!= vec.end();){cerr<<" "<<*it;}} void debug(){cerr<<'\n';} template<class T> void debug(const T& t){dprint(t);cerr<<endl;} template <class Head, class... Tail> void debug(const Head& head, const Tail&... tail){dprint(head);cerr<<" ";debug(tail...);} ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; } ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; } ll modinv(ll a, ll m) {ll b = m, u = 1, v = 0;while (b) {ll t = a / b;a -= t * b; swap(a, b);u -= t * v; swap(u, v);}u %= m;if (u < 0) u += m;return u;} ll updivide(ll a,ll b){return (a+b-1)/b;} template<class T> void chmax(T &a,const T b){if(b>a)a=b;} template<class T> void chmin(T &a,const T b){if(b<a)a=b;} template<class T> struct compressed_array{ int N; vector<T> dat; const T operator[](int i) const { return dat[i]; } T operator[](int i) { return dat[i]; } compressed_array(){} compressed_array(vector<int> &a){ dat=a; } void build(){ sort(dat.begin(), dat.end()); dat.erase(unique(dat.begin(), dat.end()), dat.end()); N = dat.size(); } int size(){return N;} void insert(const T v){ dat.push_back(v); } void insert(vector<T> &a){ for(int i = 0; i < a.size() ; i++)dat.push_back(a[i]); } //type1でfirst,type2でsecond void insert(vector<pair<T, T>> &a, int type){ if(type==1){ for(int i = 0; i < a.size(); i++)dat.push_back(a[i].first); }else{ for(int i = 0; i < a.size(); i++)dat.push_back(a[i].second); } } template<size_t size> void insert(vector<array<T,size>> &a, int pos){ assert(0 <= pos && pos < size); for(int i = 0; i < a.size() ; i++){ dat.push_back(a[i][pos]); } } int load(T &v){ return lower_bound(dat.begin(), dat.end(), v) - dat.begin(); } void load(vector<T> &a){ for(int i = 0; i < a.size() ; i++)a[i] = load(a[i]); } void load(vector<pair<T, T>> &a, int type){ if(type==1){ for(int i = 0; i < a.size(); i++)a[i].first = load(a[i].first); }else{ for(int i = 0; i < a.size(); i++)a[i].second = load(a[i].second); } } template<size_t size> void load(vector<array<T,size>> &a, int pos){ assert(0 <= pos && pos < size); for(int i = 0; i < a.size() ; i++){ a[i][pos] = load(a[i][pos]); } } }; //Union Add Query struct dsu{ using U = long long; int n; vector<pair<int,U>> dat; dsu() : n(0) {} dsu(int _n) : n(_n), dat(_n, {-1, 0}) {} int merge(int a, int b) { assert(0 <= a && a < n); assert(0 <= b && b < n); int x = leader(a).first, y = leader(b).first; if (x == y) return x; if (-dat[x].first < -dat[y].first) std::swap(x, y); dat[x].first += dat[y].first; dat[y].first = x; dat[y].second -= dat[x].second; return x; } pair<int,U> leader(int a) { assert(0 <= a && a < n); if (dat[a].first < 0 ) return {a, 0}; auto p = leader(dat[a].first); dat[a].first = p.first; dat[a].second += p.second; return dat[a]; } void add(int a, U v){ assert(0 <= a && a < n); dat[leader(a).first].second += v; } U get(int a){ assert(0 <= a && a < n); auto p = leader(a); return p.second + dat[p.first].second; } }; int main(){ INT(n,m,s,t); s--,t--; dsu uf(n); vector<int> p(n); in(p); compressed_array<int> ca(p); ca.build(); ca.load(p); vector<vector<int>> tb(ca.size()); for(int i=0;i<n;i++){ tb[p[i]].push_back(i); } vector<vector<int>> g(n); int u,v; for(int i=0;i<m;i++){ in(u,v); u--,v--; g[u].push_back(v); g[v].push_back(u); } vector<bool> used(n); for(int i=ca.size()-1;i>=0;i--){ set<int> S; for(auto &&v:tb[i]){ for(auto &&u:g[v]){ if(!used[u])continue; S.insert(uf.leader(u).first); } } for(auto &&v:S)uf.add(v,1); for(auto &&v:tb[i]){ for(auto &&u:g[v]){ if(!used[u])continue; uf.merge(u,v); } used[v]=true; } } out(uf.get(s)); }