Compilare: main.cpp: In function 'int calc(int, int, int, int, int)': main.cpp:53:27: warning: unused variable 's' [-Wunused-variable] int mij=(st+dr)/2,s=0; ^ main.cpp:61:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int citeste()': main.cpp:15:33: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(BUFF,1,DIM,fi); ^ main.cpp:23:33: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(BUFF,1,DIM,fi); ^