제출 #185463

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
185463	2020-01-11 21:19:52	nicolaalexandra	Political Development (BOI17_politicaldevelopment)	C++14	39 / 100	423 ms	28016 KiB

politicaldevelopment

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#include <bits/stdc++.h>
#define DIM 50010
using namespace std;
priority_queue <pair<int,int>, vector <pair<int,int> >, greater<pair<int,int> > > H;
set <int> L[DIM];
int n,k,i,j,sol,el,nod;
int v[DIM],x[DIM],viz[DIM],f[DIM],g[DIM];
int verif (int pas, int nod){
    for (int i=1;i<pas;i++){
        int vecin = x[i];
        if (L[nod].find(vecin) == L[nod].end())
            return 0;
        if (L[vecin].find(nod) == L[vecin].end())
            return 0;
    }
    return 1;
}
void back (int pas){
    sol = max (sol,pas-1);
    if (pas >= k || pas > el)
        return;
    for (int i=1;i<=el;i++){
        if (!f[i] && v[i] > x[pas-1] && verif(pas,v[i])){
            x[pas] = v[i];
            f[i] = 1;
            back(pas+1);
            f[i] = 0;
        }
    }
}
 
 
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