Compilare: user.cpp: In function ‘int calc1(int, int*)’: user.cpp:40:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘int rezul(int, int*, int)’: user.cpp:89:9: warning: unused variable ‘i’ [-Wunused-variable] int i, rez = 0; ^ user.cpp: In function ‘void readFile()’: user.cpp:166:24: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s, 100003, f); ^