foo.cpp:22:23: error: size of array 'f' is too large
foo.cpp: In function 'int* sum(int*, int)':
foo.cpp:32:12: warning: unused variable 'j' [-Wunused-variable]
foo.cpp:32:14: warning: unused variable 'k' [-Wunused-variable]
foo.cpp: In function 'int* sum1(int*, int*)':
foo.cpp:61:12: warning: unused variable 'j' [-Wunused-variable]
foo.cpp:61:14: warning: unused variable 'k' [-Wunused-variable]
foo.cpp: In function 'int main()':
foo.cpp:110:16: error: 'f' was not declared in this scope