結果
問題 | No.1473 おでぶなおばけさん |
ユーザー | yuto1115 |
提出日時 | 2021-04-09 21:25:20 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 67 ms / 2,000 ms |
コード長 | 4,828 bytes |
コンパイル時間 | 2,990 ms |
コンパイル使用メモリ | 215,556 KB |
実行使用メモリ | 11,776 KB |
最終ジャッジ日時 | 2024-06-25 04:03:04 |
合計ジャッジ時間 | 6,322 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
5,376 KB |
testcase_02 | AC | 62 ms
11,008 KB |
testcase_03 | AC | 48 ms
9,472 KB |
testcase_04 | AC | 34 ms
7,680 KB |
testcase_05 | AC | 13 ms
5,376 KB |
testcase_06 | AC | 53 ms
9,344 KB |
testcase_07 | AC | 66 ms
11,648 KB |
testcase_08 | AC | 67 ms
11,776 KB |
testcase_09 | AC | 65 ms
11,648 KB |
testcase_10 | AC | 38 ms
5,376 KB |
testcase_11 | AC | 39 ms
5,376 KB |
testcase_12 | AC | 38 ms
5,376 KB |
testcase_13 | AC | 25 ms
5,376 KB |
testcase_14 | AC | 19 ms
5,376 KB |
testcase_15 | AC | 34 ms
5,376 KB |
testcase_16 | AC | 37 ms
5,376 KB |
testcase_17 | AC | 4 ms
5,376 KB |
testcase_18 | AC | 6 ms
5,376 KB |
testcase_19 | AC | 31 ms
5,632 KB |
testcase_20 | AC | 41 ms
8,832 KB |
testcase_21 | AC | 44 ms
6,784 KB |
testcase_22 | AC | 45 ms
9,856 KB |
testcase_23 | AC | 37 ms
9,472 KB |
testcase_24 | AC | 36 ms
8,960 KB |
testcase_25 | AC | 50 ms
9,600 KB |
testcase_26 | AC | 53 ms
9,600 KB |
testcase_27 | AC | 20 ms
5,376 KB |
testcase_28 | AC | 58 ms
11,520 KB |
testcase_29 | AC | 37 ms
7,168 KB |
testcase_30 | AC | 44 ms
7,808 KB |
testcase_31 | AC | 54 ms
11,264 KB |
testcase_32 | AC | 41 ms
9,472 KB |
testcase_33 | AC | 35 ms
8,448 KB |
testcase_34 | AC | 20 ms
6,144 KB |
testcase_35 | AC | 20 ms
5,632 KB |
testcase_36 | AC | 36 ms
7,168 KB |
testcase_37 | AC | 39 ms
9,088 KB |
testcase_38 | AC | 9 ms
5,376 KB |
testcase_39 | AC | 38 ms
5,376 KB |
testcase_40 | AC | 37 ms
5,376 KB |
testcase_41 | AC | 35 ms
5,376 KB |
testcase_42 | AC | 35 ms
5,376 KB |
testcase_43 | AC | 38 ms
8,832 KB |
testcase_44 | AC | 38 ms
8,704 KB |
testcase_45 | AC | 38 ms
8,832 KB |
testcase_46 | AC | 47 ms
8,448 KB |
testcase_47 | AC | 59 ms
9,472 KB |
testcase_48 | AC | 52 ms
9,216 KB |
コンパイルメッセージ
main.cpp: In function 'int main()': main.cpp:141:15: warning: 'mn' may be used uninitialized [-Wmaybe-uninitialized] 141 | rep(i, m) if (d[i] >= mn) { | ^~ main.cpp:133:9: note: 'mn' was declared here 133 | int mn; | ^~
ソースコード
//@formatter:off #include<bits/stdc++.h> #define overload4(_1,_2,_3,_4,name,...) name #define rep1(i,n) for (ll i = 0; i < ll(n); ++i) #define rep2(i,s,n) for (ll i = ll(s); i < ll(n); ++i) #define rep3(i,s,n,d) for(ll i = ll(s); i < ll(n); i+=d) #define rep(...) overload4(__VA_ARGS__,rep3,rep2,rep1)(__VA_ARGS__) #define rrep1(i,n) for (ll i = ll(n)-1; i >= 0; i--) #define rrep2(i,n,t) for (ll i = ll(n)-1; i >= (ll)t; i--) #define rrep3(i,n,t,d) for (ll i = ll(n)-1; i >= (ll)t; i-=d) #define rrep(...) overload4(__VA_ARGS__,rrep3,rrep2,rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define popcount(x) __builtin_popcountll(x) #define pb push_back #define eb emplace_back #ifdef __LOCAL #define debug(...) { cout << #__VA_ARGS__; cout << ": "; print(__VA_ARGS__); cout << flush; } #else #define debug(...) void(0) #endif #define INT(...) int __VA_ARGS__;scan(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;scan(__VA_ARGS__) #define STR(...) string __VA_ARGS__;scan(__VA_ARGS__) #define CHR(...) char __VA_ARGS__;scan(__VA_ARGS__) #define DBL(...) double __VA_ARGS__;scan(__VA_ARGS__) #define LD(...) ld __VA_ARGS__;scan(__VA_ARGS__) using namespace std; using ll = long long; using ld = long double; using P = pair<int,int>; using LP = pair<ll,ll>; using vi = vector<int>; using vvi = vector<vector<int>>; using vl = vector<ll>; using vvl = vector<vector<ll>>; using vd = vector<double>; using vvd = vector<vector<double>>; using vs = vector<string>; using vc = vector<char>; using vvc = vector<vector<char>>; using vb = vector<bool>; using vvb = vector<vector<bool>>; using vp = vector<P>; using vvp = vector<vector<P>>; template<class S,class T> istream& operator>>(istream &is,pair<S,T> &p) { return is >> p.first >> p.second; } template<class S,class T> ostream& operator<<(ostream &os,const pair<S,T> &p) { return os<<'{'<<p.first<<","<<p.second<<'}'; } template<class T> istream& operator>>(istream &is,vector<T> &v) { for(T &t:v){is>>t;} return is; } template<class T> ostream& operator<<(ostream &os,const vector<T> &v) { os<<'[';rep(i,v.size())os<<v[i]<<(i==int(v.size()-1)?"":","); return os<<']'; } template<class T> void vecout(const vector<T> &v,char div='\n') { rep(i,v.size()) cout<<v[i]<<(i==int(v.size()-1)?'\n':div);} 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;} void scan(){} template <class Head, class... Tail> void scan(Head& head, Tail&... tail){ cin >> head; scan(tail...); } template<class T> void print(const T& t){ cout << t << '\n'; } template <class Head, class... Tail> void print(const Head& head, const Tail&... tail){ cout<<head<<' '; print(tail...); } template<class... T> void fin(const T&... a) { print(a...); exit(0); } struct Init_io { Init_io() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); cout << boolalpha << fixed << setprecision(15); } } init_io; const string yes[] = {"no","yes"}; const string Yes[] = {"No","Yes"}; const string YES[] = {"NO","YES"}; const int inf = 1001001001; const ll linf = 1001001001001001001; //@formatter:on class unionfind { int n; vector<int> par, rank; public: unionfind(int n) : n(n), par(n, -1), rank(n, 0) {} int root(int x) { if (par[x] < 0) return x; else return par[x] = root(par[x]); } bool same(int x, int y) { return root(x) == root(y); }; bool merge(int x, int y) { x = root(x); y = root(y); if (x == y) return false; if (rank[x] < rank[y]) swap(x, y); if (rank[x] == rank[y]) rank[x]++; par[x] += par[y]; par[y] = x; return true; } int size(int x) { return -par[root(x)]; }; bool connected() { rep(i, n - 1) if (!same(i, i + 1)) return false; return true; } }; vi BFS(int start, const vvi &G) { int n = G.size(); vi dist(n, inf); dist[start] = 0; queue<int> q; q.push(start); while (!q.empty()) { int u = q.front(); q.pop(); for (int v : G[u]) { if (chmin(dist[v], dist[u] + 1)) q.push(v); } } return dist; } int main() { INT(n, m); vi s(m), t(m), d(m); rep(i, m) { scan(s[i], t[i], d[i]); s[i]--, t[i]--; } vi ord(m); iota(all(ord), 0); sort(all(ord), [&](int x, int y) { return d[x] > d[y]; }); unionfind uf(n); vvi G(n); int mn; for (int i : ord) { uf.merge(s[i], t[i]); if (uf.same(0, n - 1)) { mn = d[i]; break; } } rep(i, m) if (d[i] >= mn) { G[s[i]].pb(t[i]); G[t[i]].pb(s[i]); } fin(mn, BFS(0, G)[n - 1]); }