View Compilation Error

0_0_27664026_10404.cpp: In function 'void solve(int)':
0_0_27664026_10404.cpp:37:2: error: expected ';' before '}' token
  }
  ^
0_0_27664026_10404.cpp: In function 'int main()':
0_0_27664026_10404.cpp:49:26: error: 'push_back' was not declared in this scope
     if(x>1) P/push_back(j);
                          ^