Compilare: user.c: In function ‘Comb’: user.c:34:26: warning: unused variable ‘j’ [-Wunused-variable] long long i, result = 1, j=1; ^ user.c: In function ‘Calc’: user.c:58:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘main’: user.c:67:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file1, "%lld", &N); ^ user.c:68:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file1, "%lld", &K); ^ user.c:71:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file1, "%lld", &item); ^