Submission #1075933

#TimeUsernameProblemLanguageResultExecution timeMemory
1075933oscar1fCop and Robber (BOI14_coprobber)C++17
0 / 100
29 ms6220 KiB
#include<bits/stdc++.h> #include "coprobber.h" using namespace std; const int TAILLE_MAX=500+5; int nbSom,nbAre,poliCour; bool existeChem[TAILLE_MAX][TAILLE_MAX]; vector<int> adja[TAILLE_MAX]; int memo[TAILLE_MAX][TAILLE_MAX][2]; int suiv[TAILLE_MAX][TAILLE_MAX]; int degSort[TAILLE_MAX]; int rest[TAILLE_MAX][TAILLE_MAX]; void maj(int posPoli,int posVol,int tour) { if (memo[posPoli][posVol][tour]==1) { memo[posPoli][posVol][tour]=0; if (tour==1) { for (int i:adja[posPoli]) { if (memo[i][posVol][0]==1) { suiv[i][posVol]=posPoli; maj(i,posVol,0); } } if (memo[posPoli][posVol][0]==1) { suiv[posPoli][posVol]=1; maj(posPoli,posVol,0); } } else { for (int i:adja[posVol]) { rest[posPoli][i]--; if (rest[posPoli][i]==0) { maj(posPoli,i,1); } } } } } int start(int N, bool A[MAX_N][MAX_N]) { nbSom=N; for (int i=0;i<nbSom;i++) { for (int j=0;j<nbSom;j++) { existeChem[i][j]=A[i][j]; if (existeChem[i][j]) { adja[i].push_back(j); degSort[i]++; } memo[i][j][0]=1; memo[i][j][1]=1; } } for (int i=0;i<nbSom;i++) { for (int j=0;j<nbSom;j++) { rest[i][j]=degSort[j]; } } for (int i=0;i<nbSom;i++) { maj(i,i,0); maj(i,i,1); } int pb; for (int i=0;i<nbSom;i++) { pb=0; for (int j=0;j<nbSom;j++) { if (memo[i][j][0]==1) { pb=1; } } if (pb==0) { poliCour=i; return i; } } return -1; } int nextMove(int posVol) { int ans=suiv[poliCour][posVol]; poliCour=ans; return ans; }
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