제출 #70173

#제출 시각아이디문제언어결과실행 시간메모리
70173WA_TLECrocodile's Underground City (IOI11_crocodile)C++14
100 / 100
1114 ms109960 KiB
#include<deque> #include<queue> #include<vector> #include<algorithm> #include<iostream> #include<set> #include<cmath> #include<tuple> #include<string> #include<chrono> #include<functional> #include<iterator> #include<random> #include<unordered_set> #include<array> #include<map> #include<iomanip> #include<assert.h> #include<bitset> #include<stack> #include<memory> using namespace std; typedef long long int llint; typedef long double lldo; #define mp make_pair #define mt make_tuple #define pub push_back #define puf push_front #define pob pop_back #define pof pop_front #define fir first #define sec second #define res resize #define ins insert #define era erase /* cout<<setprecision(20); cin.tie(0); ios::sync_with_stdio(false); */ const llint mod=1000000000; const llint big=2.19e15+1; const long double pai=3.141592653589793238462643383279502884197; const long double eps=1e-15; template <class T,class U>bool mineq(T& a,U b){if(a>b){a=b;return true;}return false;} template <class T,class U>bool maxeq(T& a,U b){if(a<b){a=b;return true;}return false;} llint gcd(llint a,llint b){if(a%b==0){return b;}else return gcd(b,a%b);} llint lcm(llint a,llint b){if(a==0){return b;}return a/gcd(a,b)*b;} template<class T> void SO(T& ve){sort(ve.begin(),ve.end());} template<class T> void REV(T& ve){reverse(ve.begin(),ve.end());} template<class T>llint LBI(vector<T>&ar,T in){return lower_bound(ar.begin(),ar.end(),in)-ar.begin();} template<class T>llint UBI(vector<T>&ar,T in){return upper_bound(ar.begin(),ar.end(),in)-ar.begin();} int travel_plan(int n,int m,int R[][2],int L[],int K,int P[]){ priority_queue<pair<llint,int>,vector<pair<llint,int>>,greater<pair<llint,int>>>que; vector<int>dasyu(n,2); int i; vector<vector<pair<llint,int>>>go(n); for(i=0;i<m;i++){ go[R[i][0]].pub(mp(L[i],R[i][1])); go[R[i][1]].pub(mp(L[i],R[i][0])); } for(i=0;i<K;i++){dasyu[P[i]]=1;que.push(mp(0LL,P[i]));} while(que.size()){ llint zi;int ter; tie(zi,ter)=que.top(); que.pop(); dasyu[ter]--; if(dasyu[ter]==0){ if(ter==0){return zi;} for(auto it:go[ter]){ que.push(mp(zi+it.fir,it.sec)); } } } return -1; }
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