| 57 | */ |
| 58 | |
| 59 | void solve(){ |
| 60 | ll n; cin>>n; |
| 61 | vector<vector<char>> v(8,vector<char> (8,'.')); |
| 62 | n--; |
| 63 | |
| 64 | v[0][0]='O'; |
| 65 | for(int i=0;i<8;i++){ |
| 66 | for(int j=0;j<8;j++){ |
| 67 | if(!i && !j) continue; //Exclude the origin (0,0) |
| 68 | if(n==0){ |
| 69 | v[i][j]='X'; |
| 70 | } |
| 71 | else{ |
| 72 | n--; |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | for(auto c: v){ |
| 78 | for(auto k: c){ |
| 79 | cout<<k; |
| 80 | } |
| 81 | cout<<endl; |
| 82 | } |
| 83 | |
| 84 | } |
| 85 | |
| 86 | |
| 87 | int main(){ |