#include <bits/stdc++.h> using namespace std; int t, n, rt, rtd, nr, nb, nr1, nb1; bool isbig, isdeep, isbl[2], isre[2], hlp2; vector<bool> color; vector<bool> color1; vector<vector<int> >G; void dfs1(int src, int f) { if(color[src]!=color[f]) { if(color[src])nb++; else nr++; } for(int i=0;i<G[src].size();i++) { if(G[src][i]!=f)dfs1(G[src][i], src); } return; } void dfs2(int src, int f) { if(color1[src]!=color1[f]) { if(color1[src])nb1++; else nr1++; } for(int i=0;i<G[src].size();i++) { if(G[src][i]!=f)dfs2(G[src][i], src); } return; } void init() { isbig=0; isdeep=0; isbl[0]=0;isbl[1]=0; isre[0]=0;isre[1]=0; hlp2=0; G.clear(); color.clear(); color1.clear(); cin>>n; color.assign(n, 0); color1.assign(n, 0); vector<int>v; G.assign(n, v); for(int i=0;i<n;i++) { char x; cin>>x; if(x=='1')color[i]=1; else color[i]=0; if(color[i])isbl[0]=1; else isre[0]=1; } for(int i=0;i<n;i++) { char x; cin>>x; if(x=='1')color1[i]=1; else color1[i]=0; if(color1[i])isbl[1]=1; else isre[1]=1; } int a, b, prev1, prev2; if(n>1){cin>>a>>b; G[a-1].push_back(b-1); G[b-1].push_back(a-1); if(color1[a-1]==color1[b-1])hlp2=1; } if(n>2){ cin>>prev1>>prev2; G[prev1-1].push_back(prev2-1); G[prev2-1].push_back(prev1-1); if(color1[prev1-1]==color1[prev2-1])hlp2=1; if(prev1==a)rt=a-1; else if(prev2==a)rt=a-1; else if(prev1==b)rt=b-1; else if(prev2==b)rt=b-1; else isdeep=1;} //cout<<isdeep; for(int i=3;i<n;i++) { cin>>a>>b; G[a-1].push_back(b-1); G[b-1].push_back(a-1); if(color1[a-1]==color1[b-1])hlp2=1; if(n>2&&a-1!=rt&&b-1!=rt)isdeep=1; } for(int i=0;i<n;i++) { if(G[i].size()<=1)rtd=i; if(G[i].size()>=2)rt=i; if(G[i].size()>=3) { isbig=1; } } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin>>t; for(int j=0;j<t;j++) { init(); bool hlp=0; for(int i=0;i<n;i++) { if(color[i]!=color1[i])hlp=1; } if(!hlp) { cout<<"TAK"<<endl; continue; } if((isre[0]==0&&isre[1]==1)||(isbl[0]==0&&isbl[1]==1)) { cout<<"NIE"<<endl; continue; } if(isdeep&&isbig) { if(hlp2)cout << "TAK\n"; else cout << "NIE\n"; continue; } if(isbig) { hlp=0; for(int i=0;i<G[rt].size();i++) { if(color1[G[rt][i]]==color1[rt])hlp=1; } if(hlp)cout<<"TAK"<<endl; else cout<<"NIE"<<endl; } else { nr=0; nb=0; nr1=0; nb1=0; if(color[rtd])nb++; else nr++; if(color1[rtd])nb1++; else nr1++; if(color1[rtd]==!color[rtd]) { if(color[rtd])nb--; else nr--; //cout<<color[rtd]<<' '<<color1[rtd]<<endl; } dfs1(G[rtd][0], rtd); dfs2(G[rtd][0], rtd); //cout<<rtd<<endl<<nr<<' '<<nr1<<endl<<nb<<' '<<nb1<<endl; if(nr<nr1||nb<nb1)cout<<"NIE"<<endl; else cout<<"TAK"<<endl; } } 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | #include <bits/stdc++.h> using namespace std; int t, n, rt, rtd, nr, nb, nr1, nb1; bool isbig, isdeep, isbl[2], isre[2], hlp2; vector<bool> color; vector<bool> color1; vector<vector<int> >G; void dfs1(int src, int f) { if(color[src]!=color[f]) { if(color[src])nb++; else nr++; } for(int i=0;i<G[src].size();i++) { if(G[src][i]!=f)dfs1(G[src][i], src); } return; } void dfs2(int src, int f) { if(color1[src]!=color1[f]) { if(color1[src])nb1++; else nr1++; } for(int i=0;i<G[src].size();i++) { if(G[src][i]!=f)dfs2(G[src][i], src); } return; } void init() { isbig=0; isdeep=0; isbl[0]=0;isbl[1]=0; isre[0]=0;isre[1]=0; hlp2=0; G.clear(); color.clear(); color1.clear(); cin>>n; color.assign(n, 0); color1.assign(n, 0); vector<int>v; G.assign(n, v); for(int i=0;i<n;i++) { char x; cin>>x; if(x=='1')color[i]=1; else color[i]=0; if(color[i])isbl[0]=1; else isre[0]=1; } for(int i=0;i<n;i++) { char x; cin>>x; if(x=='1')color1[i]=1; else color1[i]=0; if(color1[i])isbl[1]=1; else isre[1]=1; } int a, b, prev1, prev2; if(n>1){cin>>a>>b; G[a-1].push_back(b-1); G[b-1].push_back(a-1); if(color1[a-1]==color1[b-1])hlp2=1; } if(n>2){ cin>>prev1>>prev2; G[prev1-1].push_back(prev2-1); G[prev2-1].push_back(prev1-1); if(color1[prev1-1]==color1[prev2-1])hlp2=1; if(prev1==a)rt=a-1; else if(prev2==a)rt=a-1; else if(prev1==b)rt=b-1; else if(prev2==b)rt=b-1; else isdeep=1;} //cout<<isdeep; for(int i=3;i<n;i++) { cin>>a>>b; G[a-1].push_back(b-1); G[b-1].push_back(a-1); if(color1[a-1]==color1[b-1])hlp2=1; if(n>2&&a-1!=rt&&b-1!=rt)isdeep=1; } for(int i=0;i<n;i++) { if(G[i].size()<=1)rtd=i; if(G[i].size()>=2)rt=i; if(G[i].size()>=3) { isbig=1; } } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin>>t; for(int j=0;j<t;j++) { init(); bool hlp=0; for(int i=0;i<n;i++) { if(color[i]!=color1[i])hlp=1; } if(!hlp) { cout<<"TAK"<<endl; continue; } if((isre[0]==0&&isre[1]==1)||(isbl[0]==0&&isbl[1]==1)) { cout<<"NIE"<<endl; continue; } if(isdeep&&isbig) { if(hlp2)cout << "TAK\n"; else cout << "NIE\n"; continue; } if(isbig) { hlp=0; for(int i=0;i<G[rt].size();i++) { if(color1[G[rt][i]]==color1[rt])hlp=1; } if(hlp)cout<<"TAK"<<endl; else cout<<"NIE"<<endl; } else { nr=0; nb=0; nr1=0; nb1=0; if(color[rtd])nb++; else nr++; if(color1[rtd])nb1++; else nr1++; if(color1[rtd]==!color[rtd]) { if(color[rtd])nb--; else nr--; //cout<<color[rtd]<<' '<<color1[rtd]<<endl; } dfs1(G[rtd][0], rtd); dfs2(G[rtd][0], rtd); //cout<<rtd<<endl<<nr<<' '<<nr1<<endl<<nb<<' '<<nb1<<endl; if(nr<nr1||nb<nb1)cout<<"NIE"<<endl; else cout<<"TAK"<<endl; } } return 0; } |