#include <iostream> #include<sstream> #include<fstream> #include<algorithm> #include <vector> #include <stdexcept> #define ll long long using namespace std; vector<vector<int> > G; vector<vector<int> > RG; int n; vector<vector<int> >M; int win(int left, int m1, int m2) { int res = -11; if(M[m1][m2]!=8)return M[m1][m2]; for(int b=0;b<n;b++) { if ((m2&(1<<b)) !=0 ) continue; int r1=1; for(int a=0;a<n;a++) { if ((m1&(1<<a)) !=0 ) continue; if(left==1) { if(find(G[a].begin(), G[a].end(), b)!=G[a].end()) return 1; else if (find(RG[b].begin(), RG[b].end(), a)!=RG[b].end()) return -1; return 0; } else { r1 = min(r1, win(left-1, m1|(1<<a), m2|(1<<b))); } } res = max(r1,res); } return M[m1][m2]=res; } void solve_brut() { M.resize(1<<n); for(int i=0;i<1<<n;i++){ M[i].resize(1<<n); fill(M[i].begin(), M[i].end(),8); } int r = win(n, 0,0); if(r==1)cout<<"WYGRANA\n"; if(r==-1)cout<<"PRZEGRANA\n"; if(r==0)cout<<"REMIS\n"; } void test () { istream& my_in = cin; //ifstream my_in; my_in.open("karrand.in"); int t=0; my_in >> t; while(t--) { int m; my_in >> n >> m; G.resize(n); RG.resize(n); for(int i=0;i<n;i++){ G[i].resize(0); RG[i].resize(0); } for(int i=0;i<m;i++) { int a=-1,b=-1; char c =0; my_in >> a>>c>>b; a--;b--; if(c=='<') { RG[b].push_back(a); // cout << a+1 <<"<"<<b+1<<endl; }else if(c=='>') { G[a].push_back(b); // cout << a+1 <<">"<<b+1<<endl; } else { throw std::invalid_argument(""+c); } } solve_brut(); // cout << "-------------\n"; } } int main() { std::ios::sync_with_stdio(false); istream& my_in = cin; int t=0; my_in >> t; while(t--) { int m; my_in >> n >> m; vector<int>A(n,0); vector<int>B(n,0); for(int i=0;i<m;i++) { int a=-1,b=-1; char c =0; my_in >> a>>c>>b; a--;b--; if(c=='<') { B[b]++; }else if(c=='>') { A[b]++; } else { throw std::invalid_argument(""+c); } } bool win = false; bool loss = true; for(int i=0;i<n;i++) { if(A[i]==n)win = true; if(B[i]==0)loss = false; } if(win)cout <<"WYGRANA\n"; else if (loss)cout <<"PRZEGRANA\n"; else cout << "REMIS\n"; } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | #include <iostream> #include<sstream> #include<fstream> #include<algorithm> #include <vector> #include <stdexcept> #define ll long long using namespace std; vector<vector<int> > G; vector<vector<int> > RG; int n; vector<vector<int> >M; int win(int left, int m1, int m2) { int res = -11; if(M[m1][m2]!=8)return M[m1][m2]; for(int b=0;b<n;b++) { if ((m2&(1<<b)) !=0 ) continue; int r1=1; for(int a=0;a<n;a++) { if ((m1&(1<<a)) !=0 ) continue; if(left==1) { if(find(G[a].begin(), G[a].end(), b)!=G[a].end()) return 1; else if (find(RG[b].begin(), RG[b].end(), a)!=RG[b].end()) return -1; return 0; } else { r1 = min(r1, win(left-1, m1|(1<<a), m2|(1<<b))); } } res = max(r1,res); } return M[m1][m2]=res; } void solve_brut() { M.resize(1<<n); for(int i=0;i<1<<n;i++){ M[i].resize(1<<n); fill(M[i].begin(), M[i].end(),8); } int r = win(n, 0,0); if(r==1)cout<<"WYGRANA\n"; if(r==-1)cout<<"PRZEGRANA\n"; if(r==0)cout<<"REMIS\n"; } void test () { istream& my_in = cin; //ifstream my_in; my_in.open("karrand.in"); int t=0; my_in >> t; while(t--) { int m; my_in >> n >> m; G.resize(n); RG.resize(n); for(int i=0;i<n;i++){ G[i].resize(0); RG[i].resize(0); } for(int i=0;i<m;i++) { int a=-1,b=-1; char c =0; my_in >> a>>c>>b; a--;b--; if(c=='<') { RG[b].push_back(a); // cout << a+1 <<"<"<<b+1<<endl; }else if(c=='>') { G[a].push_back(b); // cout << a+1 <<">"<<b+1<<endl; } else { throw std::invalid_argument(""+c); } } solve_brut(); // cout << "-------------\n"; } } int main() { std::ios::sync_with_stdio(false); istream& my_in = cin; int t=0; my_in >> t; while(t--) { int m; my_in >> n >> m; vector<int>A(n,0); vector<int>B(n,0); for(int i=0;i<m;i++) { int a=-1,b=-1; char c =0; my_in >> a>>c>>b; a--;b--; if(c=='<') { B[b]++; }else if(c=='>') { A[b]++; } else { throw std::invalid_argument(""+c); } } bool win = false; bool loss = true; for(int i=0;i<n;i++) { if(A[i]==n)win = true; if(B[i]==0)loss = false; } if(win)cout <<"WYGRANA\n"; else if (loss)cout <<"PRZEGRANA\n"; else cout << "REMIS\n"; } return 0; } |