結果
問題 | No.1473 おでぶなおばけさん |
ユーザー | t98slider |
提出日時 | 2021-04-09 21:52:18 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 70 ms / 2,000 ms |
コード長 | 5,846 bytes |
コンパイル時間 | 1,919 ms |
コンパイル使用メモリ | 189,152 KB |
実行使用メモリ | 10,752 KB |
最終ジャッジ日時 | 2024-06-25 05:09:20 |
合計ジャッジ時間 | 5,684 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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
6,816 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 66 ms
10,240 KB |
testcase_03 | AC | 50 ms
8,704 KB |
testcase_04 | AC | 35 ms
7,296 KB |
testcase_05 | AC | 13 ms
6,944 KB |
testcase_06 | AC | 56 ms
8,704 KB |
testcase_07 | AC | 68 ms
10,752 KB |
testcase_08 | AC | 70 ms
10,752 KB |
testcase_09 | AC | 67 ms
10,752 KB |
testcase_10 | AC | 42 ms
6,940 KB |
testcase_11 | AC | 42 ms
6,944 KB |
testcase_12 | AC | 40 ms
6,944 KB |
testcase_13 | AC | 27 ms
6,944 KB |
testcase_14 | AC | 20 ms
6,944 KB |
testcase_15 | AC | 37 ms
6,944 KB |
testcase_16 | AC | 40 ms
6,940 KB |
testcase_17 | AC | 4 ms
6,940 KB |
testcase_18 | AC | 6 ms
6,940 KB |
testcase_19 | AC | 34 ms
6,944 KB |
testcase_20 | AC | 45 ms
8,064 KB |
testcase_21 | AC | 53 ms
6,940 KB |
testcase_22 | AC | 62 ms
9,088 KB |
testcase_23 | AC | 51 ms
8,832 KB |
testcase_24 | AC | 50 ms
8,192 KB |
testcase_25 | AC | 64 ms
8,832 KB |
testcase_26 | AC | 64 ms
8,704 KB |
testcase_27 | AC | 26 ms
6,940 KB |
testcase_28 | AC | 68 ms
10,624 KB |
testcase_29 | AC | 47 ms
6,940 KB |
testcase_30 | AC | 54 ms
7,040 KB |
testcase_31 | AC | 58 ms
10,496 KB |
testcase_32 | AC | 49 ms
8,832 KB |
testcase_33 | AC | 40 ms
7,808 KB |
testcase_34 | AC | 23 ms
6,940 KB |
testcase_35 | AC | 24 ms
6,944 KB |
testcase_36 | AC | 51 ms
6,944 KB |
testcase_37 | AC | 48 ms
8,448 KB |
testcase_38 | AC | 11 ms
6,944 KB |
testcase_39 | AC | 41 ms
6,940 KB |
testcase_40 | AC | 41 ms
6,940 KB |
testcase_41 | AC | 38 ms
6,944 KB |
testcase_42 | AC | 38 ms
6,940 KB |
testcase_43 | AC | 44 ms
8,064 KB |
testcase_44 | AC | 44 ms
8,064 KB |
testcase_45 | AC | 44 ms
8,192 KB |
testcase_46 | AC | 49 ms
7,936 KB |
testcase_47 | AC | 58 ms
8,832 KB |
testcase_48 | AC | 52 ms
8,576 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_popcount(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 umap unordered_map #define uset unordered_set using namespace std; using ll = long long; const int MOD=1000000007; const int MOD2=998244353; const int INF=1<<30; const ll INF2=(ll)1<<60; //入力系 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> 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...);} //出力系 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...);} //デバッグ系 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<<endl;} 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){if(a%b==0) return a/b;else return (a/b)+1;} 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;} struct dsu { public: dsu() : _n(0) {} dsu(int n) : _n(n), parent_or_size(n, -1) {} int merge(int a, int b) { assert(0 <= a && a < _n); assert(0 <= b && b < _n); int x = leader(a), y = leader(b); if (x == y) return x; if (-parent_or_size[x] < -parent_or_size[y]) std::swap(x, y); parent_or_size[x] += parent_or_size[y]; parent_or_size[y] = x; return x; } bool same(int a, int b) { assert(0 <= a && a < _n); assert(0 <= b && b < _n); return leader(a) == leader(b); } int leader(int a) { assert(0 <= a && a < _n); if (parent_or_size[a] < 0) return a; return parent_or_size[a] = leader(parent_or_size[a]); } int size(int a) { assert(0 <= a && a < _n); return -parent_or_size[leader(a)]; } std::vector<std::vector<int>> groups() { std::vector<int> leader_buf(_n), group_size(_n); for (int i = 0; i < _n; i++) { leader_buf[i] = leader(i); group_size[leader_buf[i]]++; } std::vector<std::vector<int>> result(_n); for (int i = 0; i < _n; i++) { result[i].reserve(group_size[i]); } for (int i = 0; i < _n; i++) { result[leader_buf[i]].push_back(i); } result.erase( std::remove_if(result.begin(), result.end(), [&](const std::vector<int>& v) { return v.empty(); }), result.end()); return result; } private: int _n; std::vector<int> parent_or_size; }; int main(){ INT(n,m); dsu uf(n); vector<vector<int>> graph(n); vector<tuple<int,int,int>> edge(m); rep(i,m){ in(get<1>(edge[i]),get<2>(edge[i]),get<0>(edge[i])); } sort(rall(edge)); int ans=-1; rep(i,m){ if(get<0>(edge[i])<ans)break; graph[--get<2>(edge[i])].push_back(--get<1>(edge[i])); graph[get<1>(edge[i])].push_back(get<2>(edge[i])); uf.merge(get<2>(edge[i]),get<1>(edge[i])); if(uf.same(0,n-1)){ ans=get<0>(edge[i]); } } queue<int> next; next.push(0); vector<int> dist(n,INF); dist[0]=0; while(!next.empty()){ rep(j,graph[next.front()].size()){ if(dist[next.front()]+1<dist[graph[next.front()][j]]){ dist[graph[next.front()][j]]=dist[next.front()]+1; next.push(graph[next.front()][j]); } } next.pop(); } out(ans,dist[n-1]); }