Compilare: user.cpp: In function ‘bool desc(lint, int)’: user.cpp:78:24: warning: unused variable ‘pos’ [-Wunused-variable] int found = 0, pos = 0; ^ user.cpp:24:10: warning: unused variable ‘c’ [-Wunused-variable] lint c = nr; ^ user.cpp: In function ‘void readFile()’: user.cpp:174:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &n); ^ user.cpp:178:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld", &nr); ^