0_0_32971475_29778.cpp: In function 'int ks(int)': 0_0_32971475_29778.cpp:29:25: error: too many arguments to function 'int ks(int)' if (ks(n[i].a, n[i].b)) ^ 0_0_32971475_29778.cpp:24:6: note: declared here int ks(int x) ^