foo.cc: In function 'int fun1(int, int, int**)':
foo.cc:29:8: error: invalid conversion from 'int' to 'int*' [-fpermissive]
   29 | b[k++]=i;
      |        ^
      |        |
      |        int
foo.cc: In function 'int main()':
foo.cc:40:23: error: invalid conversion from 'int' to 'int**' [-fpermissive]
   40 | k=fun1(a[i],a[i+1],b[0]);
      |                    ~~~^
      |                       |
      |                       int
foo.cc:23:28: note:   initializing argument 3 of 'int fun1(int, int, int**)'
   23 | int fun1(int m,int n, int* b[])
      |                       ~~~~~^~~

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