結果
問題 | No.1301 Strange Graph Shortest Path |
ユーザー | suta28407928 |
提出日時 | 2020-11-27 22:50:45 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,514 bytes |
コンパイル時間 | 3,014 ms |
コンパイル使用メモリ | 198,780 KB |
実行使用メモリ | 18,288 KB |
最終ジャッジ日時 | 2024-07-26 20:04:21 |
合計ジャッジ時間 | 11,193 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | WA | - |
testcase_03 | AC | 156 ms
15,228 KB |
testcase_04 | AC | 236 ms
17,536 KB |
testcase_05 | AC | 165 ms
16,128 KB |
testcase_06 | AC | 202 ms
16,384 KB |
testcase_07 | AC | 192 ms
16,384 KB |
testcase_08 | AC | 155 ms
15,232 KB |
testcase_09 | AC | 184 ms
15,744 KB |
testcase_10 | WA | - |
testcase_11 | AC | 208 ms
16,640 KB |
testcase_12 | AC | 206 ms
16,768 KB |
testcase_13 | AC | 191 ms
16,768 KB |
testcase_14 | AC | 185 ms
15,616 KB |
testcase_15 | AC | 181 ms
15,872 KB |
testcase_16 | AC | 226 ms
17,664 KB |
testcase_17 | AC | 205 ms
17,280 KB |
testcase_18 | AC | 179 ms
16,000 KB |
testcase_19 | AC | 208 ms
16,512 KB |
testcase_20 | AC | 199 ms
16,128 KB |
testcase_21 | AC | 196 ms
16,896 KB |
testcase_22 | AC | 204 ms
16,768 KB |
testcase_23 | AC | 191 ms
17,024 KB |
testcase_24 | AC | 206 ms
16,512 KB |
testcase_25 | AC | 220 ms
17,536 KB |
testcase_26 | AC | 194 ms
16,384 KB |
testcase_27 | AC | 201 ms
16,768 KB |
testcase_28 | AC | 169 ms
16,256 KB |
testcase_29 | WA | - |
testcase_30 | AC | 219 ms
17,280 KB |
testcase_31 | AC | 219 ms
17,408 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 197 ms
18,288 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; #define DEBUG #ifdef DEBUG template <class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; for(int i = 0; i < (int)v.size(); i++) { if(i) { os << ','; } os << v[i]; } os << '}'; return os; } void debugg() { cerr << endl; } template <class T, class... Args> void debugg(const T &x, const Args &... args) { cerr << " " << x; debugg(args...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<char> vc; typedef vector<string> vs; typedef vector<bool> vb; typedef vector<double> vd; typedef pair<ll,ll> P; typedef pair<int,int> pii; typedef vector<P> vpl; typedef tuple<ll,ll,ll> tapu; #define rep(i,n) for(int i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int inf = 1<<30; const ll linf = 1LL<<62; const int MAX = 510000; int dy[8] = {0,-1,0,1,1,-1,-1,1}; int dx[8] = {-1,0,1,0,1,-1,1,-1}; const double pi = acos(-1); const double eps = 1e-7; template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){ if(a<b){ a = b; return true; } else return false; } template<typename T> inline void print(T &a){ int sz = a.size(); for(auto itr = a.begin(); itr != a.end(); itr++){ cout << *itr; sz--; if(sz) cout << " "; } cout << "\n"; } template<typename T1,typename T2> inline void print2(T1 a, T2 b){ cout << a << " " << b << "\n"; } template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){ cout << a << " " << b << " " << c << "\n"; } void mark() {cout << "#" << "\n";} ll pcount(ll x) {return __builtin_popcountll(x);} //const int mod = 1e9 + 7; const int mod = 998244353; struct edge{ ll to, c, d, id, mode; }; int main(){ ll n,m; cin >> n >> m; vector<vector<edge>> G(n); rep(i,m){ ll u,v,c,d; cin >> u >> v >> c >> d; u--; v--; G[u].push_back(edge{v,c,d,i,0}); G[v].push_back(edge{u,c,d,i,0}); } priority_queue<P,vector<P>,greater<P>> pq; vl d(n,linf); d[0] = 0; vl pre(n); pq.emplace(0,0); while(!pq.empty()){ P p = pq.top(); pq.pop(); ll u = p.second; if(d[u] < p.first) continue; for(auto v : G[u]){ if(chmin(d[v.to], d[u] + v.c)){ pre[v.to] = v.id; pq.emplace(d[v.to], v.to); } } } ll ans = d[n-1]; ll now = n-1; while(now > 0){ for(auto &v : G[now]){ if(v.id == pre[now]){ v.mode = 1; now = v.to; break; } } } rep(i,n) d[i] = linf; d[n-1] = 0; pq.emplace(0,n-1); while(!pq.empty()){ P p = pq.top(); pq.pop(); ll u = p.second; if(d[u] < p.first) continue; for(auto v : G[u]){ ll cost = v.mode == 0 ? v.c : v.d; if(chmin(d[v.to], cost + d[u])){ pq.emplace(d[v.to], v.to); } } } ans += d[0]; cout << ans << "\n"; }