Compilare: main.cpp: In function 'void Solve()': main.cpp:50:9: warning: unused variable 'last' [-Wunused-variable] int last = b,current; ^~~~ main.cpp:50:18: warning: unused variable 'current' [-Wunused-variable] int last = b,current; ^~~~~~~ main.cpp: In function 'void RadixSort()': main.cpp:78:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < TOTAL_BYTES;++i) ^ main.cpp: In function 'void inc()': main.cpp:22:36: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buffer,1,32000,stdin); ^ main.cpp: In function 'void Read()': main.cpp:41:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("radixsort.in","r",stdin); ^