結果

問題 No.1 道のショートカット
ユーザー shimomireshimomire
提出日時 2015-02-10 02:58:57
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 15 ms / 5,000 ms
コード長 7,327 bytes
コンパイル時間 1,104 ms
コンパイル使用メモリ 126,260 KB
実行使用メモリ 9,336 KB
最終ジャッジ日時 2023-09-27 21:38:28
合計ジャッジ時間 2,964 ms
ジャッジサーバーID
（参考情報） 		judge14 / judge12
このコードへのチャレンジ
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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 1 ms
4,376 KB
testcase_01 AC 2 ms
4,376 KB
testcase_02 AC 1 ms
4,376 KB
testcase_03 AC 1 ms
4,376 KB
testcase_04 AC 1 ms
4,376 KB
testcase_05 AC 2 ms
4,376 KB
testcase_06 AC 1 ms
4,376 KB
testcase_07 AC 1 ms
4,376 KB
testcase_08 AC 11 ms
7,800 KB
testcase_09 AC 7 ms
5,876 KB
testcase_10 AC 5 ms
4,764 KB
testcase_11 AC 7 ms
5,672 KB
testcase_12 AC 15 ms
9,336 KB
testcase_13 AC 14 ms
8,856 KB
testcase_14 AC 2 ms
4,376 KB
testcase_15 AC 2 ms
4,384 KB
testcase_16 AC 4 ms
4,380 KB
testcase_17 AC 2 ms
4,376 KB
testcase_18 AC 3 ms
4,380 KB
testcase_19 AC 4 ms
4,376 KB
testcase_20 AC 4 ms
4,376 KB
testcase_21 AC 4 ms
4,664 KB
testcase_22 AC 3 ms
4,380 KB
testcase_23 AC 10 ms
7,988 KB
testcase_24 AC 11 ms
8,600 KB
testcase_25 AC 6 ms
5,284 KB
testcase_26 AC 4 ms
4,668 KB
testcase_27 AC 11 ms
7,372 KB
testcase_28 AC 2 ms
4,376 KB
testcase_29 AC 3 ms
4,376 KB
testcase_30 AC 2 ms
4,380 KB
testcase_31 AC 3 ms
4,376 KB
testcase_32 AC 9 ms
6,588 KB
testcase_33 AC 7 ms
5,440 KB
testcase_34 AC 9 ms
6,904 KB
testcase_35 AC 2 ms
4,376 KB
testcase_36 AC 3 ms
4,376 KB
testcase_37 AC 3 ms
4,376 KB
testcase_38 AC 2 ms
4,380 KB
testcase_39 AC 3 ms
4,504 KB
testcase_40 AC 2 ms
4,376 KB
testcase_41 AC 2 ms
4,376 KB
testcase_42 AC 1 ms
4,376 KB
testcase_43 AC 2 ms
4,380 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include <cassert>// c
#include <iostream>// io
#include <iomanip>
#include <fstream>
#include <sstream>
#include <vector>// container
#include <map>
#include <set>
#include <queue>
#include <bitset>
#include <stack>
#include <algorithm>// other
#include <complex>
#include <numeric>
#include <functional>
#include <random>
#include <regex>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;

#define ALL(c) c.begin(),c.end()
#define REP(i,n) FOR(i,0,n)
#define REPr(i,n) FORr(i,0,n)
#define FOR(i,l,r) for(int i=(int)(l);i<(int)(r);++i)
#define FORr(i,l,r) for(int i=(int)(r)-1;i>=(int)(l);--i)
#define EACH(it,o) for(auto it = (o).begin(); it != (o).end(); ++it)
#define IN(l,v,r) ((l)<=(v) && (v)<(r))
#define UNIQUE(v) v.erase(unique(ALL(v)),v.end())
//debug
#define DUMP(x)  cerr << #x << " = " << (x)
#define LINE()    cerr<< " (L" << __LINE__ << ")"

class range{
private:
    struct Iter{
        int v;
        int operator*(){return v;}
        bool operator!=(Iter& itr) {return v < itr.v;}
        void operator++() {++v;}
    };
    Iter i, n;
public:
    range(int n) : i({0}), n({n}) {}
    range(int i, int n) : i({i}), n({n}) {}
    Iter& begin() {return i;}
    Iter& end() {return n;}
};

//input
template<typename T1,typename T2> istream& operator >> (istream& is,pair<T1,T2>& p){return is>>p.first>>p.second;}
template<typename T1> istream& operator >> (istream& is,tuple<T1>& t){return is >> get<0>(t);}
template<typename T1,typename T2> istream& operator >> (istream& is,tuple<T1,T2>& t){return is >> get<0>(t) >> get<1>(t);}
template<typename T1,typename T2,typename T3> istream& operator >> (istream& is,tuple<T1,T2,T3>& t){return is >>get<0>(t)>>get<1>(t)>>get<2>(t);}
template<typename T1,typename T2,typename T3,typename T4> istream& operator >> (istream& is,tuple<T1,T2,T3,T4>& t){return is >> get<0>(t)>>get<1>(t)>>get<2>(t)>>get<3>(t);}
template<typename T1,typename T2,typename T3,typename T4,typename T5> istream& operator >> (istream& is, const tuple<T1,T2,T3,T4,T5>& t){return is >> get<0>(t) >> get<1>(t) >> get<2>(t) >> get<3>(t) >> get<4>(t);}
template<typename T1,typename T2,typename T3,typename T4,typename T5,typename T6> istream& operator >> (istream& is, const tuple<T1,T2,T3,T4,T5,T6>& t){return is >> get<0>(t) >> get<1>(t) >> get<2>(t) >> get<3>(t) >> get<4>(t) >> get<5>(t);}
template<typename T1,typename T2,typename T3,typename T4,typename T5,typename T6,typename T7> istream& operator >> (istream& is, const tuple<T1,T2,T3,T4,T5,T6,T7>& t){return is >> get<0>(t) >> get<1>(t) >> get<2>(t) >> get<3>(t) >> get<4>(t) >> get<5>(t) >> get<6>(t);}
template<typename T> istream& operator >> (istream& is,vector<T>& as){for(int i:range(as.size()))is >>as[i];return is;}

//output
template<typename T> ostream& operator << (ostream& os, const set<T>& ss){for(auto a:ss){if(a!=ss.begin())os<<" "; os<<a;}return os;}
template<typename T1,typename T2> ostream& operator << (ostream& os, const pair<T1,T2>& p){return os<<p.first<<" "<<p.second;}
template<typename K,typename V> ostream& operator << (ostream& os, const map<K,V>& m){bool isF=true;for(auto& p:m){if(!isF)os<<endl;os<<p;isF=false;}return os;}
template<typename T1> ostream& operator << (ostream& os, const tuple<T1>& t){return os << get<0>(t);}
template<typename T1,typename T2> ostream& operator << (ostream& os, const tuple<T1,T2>& t){return os << get<0>(t)<<" "<<get<1>(t);}
template<typename T1,typename T2,typename T3> ostream& operator << (ostream& os, const tuple<T1,T2,T3>& t){return os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t);}
template<typename T1,typename T2,typename T3,typename T4> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4>& t){return os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t);}
template<typename T1,typename T2,typename T3,typename T4,typename T5> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4,T5>& t){return os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t)<<" "<<get<4>(t);}
template<typename T1,typename T2,typename T3,typename T4,typename T5,typename T6> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4,T5,T6>& t){return os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t)<<" "<<get<4>(t)<<" "<<get<5>(t);}
template<typename T1,typename T2,typename T3,typename T4,typename T5,typename T6,typename T7> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4,T5,T6,T7>& t){return os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t)<<" "<<get<4>(t)<<" "<<get<5>(t)<<" "<<get<6>(t);}
template<typename T> ostream& operator << (ostream& os, const vector<T>& as){for(int i:range(as.size())){if(i!=0)os<<" "; os<<as[i];}return os;}
template<typename T> ostream& operator << (ostream& os, const vector<vector<T>>& as){for(int i:range(as.size())){if(i!=0)os<<endl; os<<as[i];}return os;}

// values
template<typename T> inline T INF(){assert(false);};
template<> inline int INF<int>(){return 1<<28;};
template<> inline ll INF<ll>(){return 1LL<<58;};
template<> inline double INF<double>(){return 1e16;};
template<> inline long double INF<long double>(){return 1e16;};

template<class T> inline T EPS(){assert(false);};
template<> inline int EPS<int>(){return 1;};
template<> inline ll EPS<ll>(){return 1LL;};
template<> inline double EPS<double>(){return 1e-8;};
template<> inline long double EPS<long double>(){return 1e-8;};

// min{2^r | n < 2^r}
template<typename T> T upper_pow2(T n){
    T res=1;while(res<n)res<<=1;return res;
}
// max{d | 2^d  <= n}
template<typename T> T msb(T n){
    int d=30;while((1<<d)>n)d--;return d;
}
template<typename T,typename U> T pmod(T v,U M){return (v%M+M)%M;}

typedef ll Cost;
struct Edge{
    int to;Cost cost;
    Edge(int to,Cost cost):to(to),cost(cost){};
    bool operator<(Edge r) const{ return cost<r.cost;}
    bool operator>(Edge r) const{ return cost>r.cost;}
};
ostream& operator << (ostream& os, const Edge& e){ return os<<"(->"<<e.to <<","<<e.cost<<")";}
typedef vector<vector<Edge>> Graph;
vector<Cost> dijkstra(const Graph& g,const int s){
    vector<Cost> ds(g.size(),INF<Cost>());ds[s]=0;
    priority_queue<pair<Cost,int>,vector<pair<Cost,int>>,greater<pair<Cost,int>>> que;que.push({0,s});// [ ,e,,f, ] <=> e.cost < e.cost
    while(!que.empty()){
        Cost c;int v;tie(c,v)=que.top();que.pop();
        for(const Edge& e:g[v]){
            Cost nxtc= c + e.cost;
            if(nxtc<ds[e.to]){
                ds[e.to]=nxtc;
                que.push({nxtc,e.to});
            }
        }
    }
    return ds;
}

class Main{
	public:

	int N,C,V;
	int enc(int i,int c){
		return i*(C+5)+c;
	}

	void run(){
		cin >> N >> C >> V;

		Graph g(N*(C+5));
        vector<int> fs(V),ts(V);vector<Cost> ys(V),ms(V);
        cin >> fs >> ts >> ys >> ms;
		REP(i,V)fs[i]--,ts[i]--;
		REP(i,V){
			REP(c,C+5)if(c-ys[i]>=0){
                g[enc(fs[i],c)].push_back(Edge(enc(ts[i],c-ys[i]),ms[i]));
                // g[enc(ts[i],c)].push_back(Edge(enc(fs[i],c-ys[i]),ms[i]));
            }
		}
        vector<Cost> res = dijkstra(g,enc(0,C));
        Cost mv=INF<Cost>();
        REP(c,C+1)mv=min(mv,res[enc(N-1,c)]);

        if(mv==INF<Cost>()) cout << -1 << endl;
        else    cout << mv <<endl;
	}
};

int main(){
	cout <<fixed<<setprecision(20);
	cin.tie(0);
	ios::sync_with_stdio(false);
	Main().run();
	return 0;
}
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