Compilare: main.cpp: In function 'void hashuire(unsigned int)': main.cpp:18:7: warning: unused variable 'i' [-Wunused-variable] int i; ^ main.cpp: In function 'bool verif(unsigned int)': main.cpp:29:7: warning: unused variable 'i' [-Wunused-variable] int i; ^ main.cpp: In function 'int main()': main.cpp:41:13: warning: unused variable 'j' [-Wunused-variable] int n, i, j, nr = 0, m = 0; ^ main.cpp:39:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("abc2.out", "w", stdout); ^