foo.cpp: In function 'int main()':
foo.cpp:16:20: error: invalid conversion from 'int*' to 'int' [-fpermissive]
         f[i][j]=f[j];
                    ^
foo.cpp:18:26: error: invalid conversion from 'int*' to 'int' [-fpermissive]
         f[i][j]=f[j-w[i]]+p[i];
                          ^
foo.cpp:21:18: error: invalid conversion from 'int*' to 'int' [-fpermissive]
       f[i][j]=f[j];
                  ^
foo.cpp:22:19: warning: format '%d' expects argument of type 'int', but argument 2 has type 'int*' [-Wformat=]
 printf("%d\n",f[m]);
                   ^