Accepted
/in/foo.cc: In function 'int main()': /in/foo.cc:23:27: warning: unused variable 'h' [-Wunused-variable] int n, i, j, k, sum = 0, h; ^
/in/foo.cc: In function 'int main()': /in/foo.cc:23:27: warning: unused variable 'h' [-Wunused-variable] int n, i, j, k, sum = 0, h; ^