제출 #136034

#제출 시각아이디문제언어결과실행 시간메모리
136034forelax경찰관과 강도 (BOI14_coprobber)C++14
60 / 100
1566 ms19892 KiB
#include "coprobber.h" #include<bits/stdc++.h> using namespace std; vector<vector<bool> > wing(500,vector<bool> (500)); vector<vector<bool> > winb(500,vector<bool> (500)); vector<vector<int> > cntl(500,vector<int> (500)); vector<vector<int> > go(500,vector<int> (500)); vector<vector<bool> > a(500,vector<bool> (500)); vector<vector<int> > edge(500,vector<int> (500)); vector<int> eds(500); int n,cr=0; int start(int _N,bool A[500][500]){ n=_N; queue<vector<int> > q; for(int i = 0 ; i < n ; i ++){ for(int j = 0 ; j < n ; j ++){ a[i][j]=A[i][j]; if(a[i][j]){ edge[i][eds[i]++]=j; wing[i][j]=true; q.push({0,i,j}); go[i][j]=j; } } } for(int i = 0 ; i < n ; i ++){ for(int j = 0 ; j < n ; j ++){ if(i==j)continue; cntl[i][j]=eds[j]; if(a[j][i])cntl[i][j]--; } } while(q.size()){ vector<int> nw=q.front(); q.pop(); int x=nw[2]; int y=nw[1]; int st=nw[0]; if(st==0){ for(int i = 0 ; i < eds[x] ; i ++){ int ne=edge[x][i]; if(ne==y)continue; cntl[y][ne]--; if(cntl[y][ne])continue; q.push({1,y,ne}); winb[y][ne]=true; } }else{ for(int i = 0,ne ; i <= eds[y] ; i ++){ if(i<eds[y])ne=edge[y][i]; else ne=y; if(ne==x)continue; if(wing[ne][x])continue; go[ne][x]=y; wing[ne][x]=true; q.push({0,ne,x}); } } } cr=-1; // for(int i = 0 ; i < n ; i ++){ // for(int j = 0 ; j < n ; j ++){ // cout<<wing[i][j]; // }cout<<endl;}cout<<endl; for(int i = 0 ; i < n ; i ++){ bool good=true; for(int j = 0 ; j < n ; j ++){ if(i==j)continue; if(!wing[i][j]){ good=false; break; } } if(!good)continue; cr=i; break; } // cout<<cr<<" "; return cr; } int nextMove(int np){ cr=go[cr][np]; // cout<<np<<" "<<cr<<" "<<endl; return cr; } //int main(){ // int N; // cin>>N; // bool A[500][500]; //// vector<vector<bool> > A(N,vector<bool> (N)); // for(int i = 0,g ; i < N ;i ++){ // for(int j = 0 ; j < N ; j ++){ // cin>>g; // A[i][j]=g; // } // } // int CP=start(N,A),one; // cin>>one; // vector<vector<int> > dir(n,vector<int> (n+1)); // for(int i = 0 ; i < N ; i ++) // for(int j = 0 ; j <= N ; j ++) // cin>>dir[i][j]; // int BP=dir[CP].back(); // while(CP!=BP){ // cout<<CP<<" "<<BP<<" "; // BP=dir[CP][BP]; // CP=nextMove(BP); // } // cout<<CP<<" "<<BP; //}
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