Compilare: user.cpp: In function ‘long long unsigned int TROYAN(long long unsigned int, long int)’: user.cpp:24:54: warning: left operand of comma operator has no effect [-Wunused-value] for (long int k=nr_of_transported_horses+1; k<=nr_of_transported_horses+nr_of_horses_can_be_transported+1, k<=nr_of_horses; k++) ^ user.cpp:25:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (horse_time[k] <= time_reached) ^ user.cpp:34:58: warning: left operand of comma operator has no effect [-Wunused-value] for (long int k=nr_of_transported_horses_NOW+1; k<=nr_of_transported_horses_NOW+nr_of_horses_can_be_transported+1, k<=nr_of_horses; k++) ^ user.cpp: In function ‘void read()’: user.cpp:55:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &nr_of_tests); ^ user.cpp:58:99: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%ld%ld%lld", &nr_of_horses, &nr_of_horses_can_be_transported, &time_to_travel); ^ user.cpp:61:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%lld", &horse_time[j]); ^