answer.code:108:5: error: redefinition of ‘int p(int, int, int)’
  108 | int p(int x,int y,int n){
      |     ^
answer.code:89:5: note: ‘int p(int, int, int)’ previously defined here
   89 | int p(int x,int y,int n){
      |     ^
answer.code: In function ‘std::string process(std::vector<std::vector<std::__cxx11::basic_string<char> > >, int, int, int, int)’:
answer.code:125:30: error: too few arguments to function ‘int p(int, int, int)’
  125 |                 arr[a][b]<<=p(i+a,j+b);
      |                             ~^~~~~~~~~
answer.code:89:5: note: declared here
   89 | int p(int x,int y,int n){
      |     ^