foo.cc: In function 'int main()':
foo.cc:28:25: error: invalid conversion from 'char (*)[103]' to 'int' [-fpermissive]
   28 |             int s = sum(map,i,j);
      |                         ^~~
      |                         |
      |                         char (*)[103]
foo.cc:28:24: error: too many arguments to function 'int sum(int, int)'
   28 |             int s = sum(map,i,j);
      |                     ~~~^~~~~~~~~
foo.cc:8:5: note: declared here
    8 | int sum(int i, int j){
      |     ^~~

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