結果
問題 | No.807 umg tours |
ユーザー |
|
提出日時 | 2019-03-22 21:36:03 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 615 ms / 4,000 ms |
コード長 | 4,210 bytes |
コンパイル時間 | 971 ms |
コンパイル使用メモリ | 80,352 KB |
実行使用メモリ | 25,472 KB |
最終ジャッジ日時 | 2024-11-23 18:52:07 |
合計ジャッジ時間 | 8,507 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 26 |
ソースコード
#include <iostream> #include <algorithm> #include <vector> #include <string.h> #include <queue> #include <cmath> using namespace std; using lint = long long; const long mod = 1e9 + 7; #define all(x) (x).begin(), (x).end() #define bitcount(n) __builtin_popcountl(long(n)) #define fcout cout << fixed << setprecision(15) #define highest(x) (63 - __builtin_clzl(x)) template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; } template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; } template<class T> inline void POSS(T condition){ if(condition) cout << "POSSIBLE" << endl; else cout << "IMPOSSIBLE" << endl; } template<class T> inline void Poss(T condition){ if(condition) cout << "Possible" << endl; else cout << "Impossible" << endl; } template<class T> inline void First(T condition){ if(condition) cout << "First" << endl; else cout << "Second" << endl; } template<class T = string, class U = char>int character_count(T text, U character){ int ans = 0; for(U i: text){ ans += (i == character); } return ans; } long power(long base, long exponent, long module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ long root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }} struct position{ int y, x; }; position mv[4] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}}; // double euclidean(position first, position second){ return sqrt((second.x - first.x) * (second.x - first.x) + (second.y - first.y) * (second.y - first.y)); } template<class T, class U> string to_string(pair<T, U> x){ return to_string(x.first) + "," + to_string(x.second); } string to_string(string x){ return x; } template<class itr> void array_output(itr start, itr goal){ string ans; for(auto i = start; i != goal; i++) ans += to_string(*i) + " "; if(!ans.empty()) ans.pop_back(); cout << ans << endl; } template<class itr> void cins(itr start, itr goal){ for(auto i = start; i != goal; i++){ cin >> (*i); } } template<class T> T gcd(T a, T b){ if(a && b){ return gcd(min(a, b), max(a, b) % min(a, b)); }else{ return a; }} template<class T> T lcm(T a, T b){ return a / gcd(a, b) * b; } struct combination{ vector<long> fact, inv; combination(int sz) : fact(sz + 1), inv(sz + 1){ fact[0] = 1; for(int i = 1; i <= sz; i++){ fact[i] = fact[i - 1] * i % mod; } inv[sz] = power(fact[sz], mod - 2, mod); for(int i = sz - 1; i >= 0; i--){ inv[i] = inv[i + 1] * (i + 1) % mod; } } long C(int p, int q) const{ if(q < 0 || p < q) return 0; return (fact[p] * inv[q] % mod * inv[p - q] % mod); } }; using path = pair<long, int>; int main(){ int N, M; cin >> N >> M; vector<pair<int, long>> roads[N]; for(int i = 0; i < M; i++){ int a, b, c; cin >> a >> b >> c; roads[a - 1].push_back({b - 1, c}); roads[b - 1].push_back({a - 1, c}); } vector<long> dist1(N, 1e18), dist2(N, 1e18); priority_queue<path, vector<path>, greater<path>> pathes; dist1[0] = 0; pathes.push({0, 0}); while(!pathes.empty()){ auto top = pathes.top(); pathes.pop(); if(top.first > dist1[top.second]){ continue; } for(auto i: roads[top.second]){ int to = i.first; long cost = i.second + top.first; if(dist1[to] > cost){ dist1[to] = cost; pathes.push({cost, to}); } } } for(int i = 0; i < N; i++){ for(auto j: roads[i]){ pathes.push({dist1[i], j.first}); dist2[j.first] = min(dist2[j.first], dist1[i]); } } while(!pathes.empty()){ auto top = pathes.top(); pathes.pop(); if(top.first > dist2[top.second]){ continue; } for(auto i: roads[top.second]){ int to = i.first; long cost = i.second + top.first; if(dist2[to] > cost){ dist2[to] = cost; pathes.push({cost, to}); } } } dist2[0] = 0; for(int i = 0; i < N; i++){ cout << dist1[i] + dist2[i] << endl; } }