Compilare: user.c:6:1: warning: return type defaults to ‘int’ [enabled by default] generate(long n){ ^ user.c:15:1: warning: return type defaults to ‘int’ [enabled by default] calcCoef(long n){ ^ user.c:24:1: warning: return type defaults to ‘int’ [enabled by default] main(int argc, char* argv[]){ ^ user.c: In function ‘generate’: user.c:13:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘calcCoef’: user.c:22:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘main’: user.c:29:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file,"%ld", &n); ^