結果
問題 | No.2569 はじめてのおつかいHard |
ユーザー |
|
提出日時 | 2024-04-15 17:48:57 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 334 ms / 2,000 ms |
コード長 | 4,316 bytes |
コンパイル時間 | 4,159 ms |
コンパイル使用メモリ | 277,564 KB |
実行使用メモリ | 27,480 KB |
最終ジャッジ日時 | 2024-10-05 19:12:46 |
合計ジャッジ時間 | 7,777 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 10 |
ソースコード
#include <bits/stdc++.h>#include<atcoder/all>using namespace atcoder;using namespace std;using ll = long long;using vll = vector<ll>;using vvll = vector<vll>;using vvvll = vector<vvll>;using vvvvll = vector<vvvll>;using vvvvvll = vector<vvvvll>;using vb = vector<bool>;using vvb = vector<vb>;using vvvb = vector<vvb>;using vvvvb = vector<vvvb>;using vvvvvb = vector<vvvvb>;using vd = vector<double>;using vvd = vector<vd>;using vvvd = vector<vvd>;using vvvvd = vector<vvvd>;using vvvvvd = vector<vvvvd>;#define all(A) A.begin(),A.end()#define rep(i, n) for (ll i = 0; i < (ll) (n); i++)#define rep2(i, s,t) for (ll i = s; i < (ll) (t); i++)template<class T>bool chmax(T& p, T q, bool C = 1) {if (C == 0 && p == q) {return 1;}if (p < q) {p = q;return 1;}else {return 0;}}template<class T>bool chmin(T& p, T q, bool C = 1) {if (C == 0 && p == q) {return 1;}if (p > q) {p = q;return 1;}else {return 0;}}ll modPow(long long a, long long n, long long p) {if (n == 0) return 1; // 0乗にも対応する場合if (n == 1) return a % p;if (n % 2 == 1) return (a * modPow(a, n - 1, p)) % p;long long t = modPow(a, n / 2, p);return (t * t) % p;}ll gcd(ll(a), ll(b)) {if (a == 0)return b;if (b == 0)return a;ll c = a;while (a % b != 0) {c = a % b;a = b;b = c;}return b;}ll sqrtz(ll N) {ll L = 0;ll R = sqrt(N) + 10000;while (abs(R - L) > 1) {ll mid = (R + L) / 2;if (mid * mid <= N)L = mid;else R = mid;}return L;}using mint = modint998244353;using vm = vector<mint>;using vvm = vector<vm>;using vvvm = vector<vvm>;vector<mint> fact, factinv, inv, factK;ll mod = 998244353;void prenCkModp(ll n) {//factK.resize(4*n+5);fact.resize(n + 5);factinv.resize(n + 5);inv.resize(n + 5);fact[0] = fact[1] = 1;factinv[0] = factinv[1] = 1;inv[1] = 1;for (ll i = 2; i < n + 5; i++) {fact[i] = (fact[i - 1] * i);inv[i] = (mod - ((inv[mod % i] * (mod / i))));factinv[i] = (factinv[i - 1] * inv[i]);}//factK[0]=1;//for(ll i=1;i<4*n+5;i++){// factK[i]=factK[i-1]*mint(K-i+1);// //K*(K-1)*...*(K-i+1);//}}mint nCk(ll n, ll k) {if (n < k || k < 0) return 0;return (fact[n] * ((factinv[k] * factinv[n - k])));}//mint nCkK(ll n,ll k){// if(K<n||K-n<k)return 0;// mint res=factK[n+k];// res*=factK[n].inv();// res*=factinv[k];// return res;//}bool DEB = 1;int main() {cin.tie(nullptr);ios::sync_with_stdio(false);ll N,M;cin>>N>>M;vector<vector<pair<ll,ll>>> G(N),IG(N);rep(i,M){ll U,V,T;cin>>U>>V>>T;U--;V--;G[U].push_back({V,T});IG[V].push_back({U,T});}vvll D(2,vll(N,1e18)),ID(2,vll(N,1e18));priority_queue<pair<ll,ll>,vector<pair<ll,ll>>,greater<pair<ll,ll>>> Q;rep(k,2){vb seen(N,0);ll r=N-1;if(k==0){r=N-2;}D[k][r]=0;ID[k][r]=0;Q.push({0,r});while(!Q.empty()){ll c=Q.top().first;ll p=Q.top().second;Q.pop();if(seen[p])continue;for(auto vw:G[p]){ll v=vw.first;ll w=vw.second;if(seen[v])continue;ll nc=w+c;if(chmin(D[k][v],nc)){Q.push({nc,v});}}}Q.push({0,r});seen.assign(N,0);while(!Q.empty()){ll c=Q.top().first;ll p=Q.top().second;Q.pop();if(seen[p])continue;for(auto vw:IG[p]){ll v=vw.first;ll w=vw.second;if(seen[v])continue;ll nc=w+c;if(chmin(ID[k][v],nc)){Q.push({nc,v});}}}}rep(k,N-2){ll an=ID[0][k]+D[0][N-1]+D[1][k];ll bn=ID[1][k]+D[1][N-2]+D[0][k];chmin(an,bn);cout<<(an<1e17?an:-1)<<endl;}}