Compilare: main.cpp: In function 'int main()': main.cpp:64:47: warning: unused variable 'j' [-Wunused-variable] int t , i , k , aux , maxim , x , y , z , j , l; ^ main.cpp:64:51: warning: unused variable 'l' [-Wunused-variable] int t , i , k , aux , maxim , x , y , z , j , l; ^ main.cpp: In function 'void get_int(int&)': main.cpp:14:36: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buf , sz , 1 , stdin); ^ main.cpp:23:36: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buf , sz , 1 , stdin); ^ main.cpp: In function 'int main()': main.cpp:62:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cutii.in" , "r" , stdin); ^ main.cpp:63:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cutii.out" , "w" , stdout); ^