Compilare: main.cpp: In function 'char chr()': main.cpp:44:32: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread( buf, 1, BSIZE, fin ); ^ main.cpp: In function 'void QuickSort(int, int)': main.cpp:32:3: warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false [-Wstrict-overflow] if ( st < poz_piv - 1 ) { ^~