Compilare: user.cpp: In function ‘void CountingSort1()’: user.cpp:18:40: warning: operation on ‘i’ may be undefined [-Wsequence-point] for(u32 i = 0x0; i != 0x7FF; index[++i] = index[~-i] + frequence[~-i]); ^~~ user.cpp:18:40: warning: operation on ‘i’ may be undefined [-Wsequence-point] user.cpp: In function ‘void CountingSort2()’: user.cpp:29:40: warning: operation on ‘i’ may be undefined [-Wsequence-point] for(u32 i = 0x0; i != 0x7FF; index[++i] = index[~-i] + frequence[~-i]); ^~~ user.cpp:29:40: warning: operation on ‘i’ may be undefined [-Wsequence-point] user.cpp: In function ‘void CountingSort3()’: user.cpp:40:40: warning: operation on ‘i’ may be undefined [-Wsequence-point] for(u32 i = 0x0; i != 0x7FF; index[++i] = index[~-i] + frequence[~-i]); ^~~ user.cpp:40:40: warning: operation on ‘i’ may be undefined [-Wsequence-point] user.cpp: In function ‘i32 main()’: user.cpp:76:15: warning: operation on ‘i’ may be undefined [-Wsequence-point] v[--i] = (u64(v[-~i]) * A + B) % C; ^~~ user.cpp: At global scope: user.cpp:47:37: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) void itoa(unsigned int x) ^~~~ user.cpp:34:37: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) void CountingSort3() ^~~~~~~~~~~~~ user.cpp:23:37: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) void CountingSort2() ^~~~~~~~~~~~~ user.cpp:12:37: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) void CountingSort1() ^~~~~~~~~~~~~ user.cpp: In function ‘i32 main()’: user.cpp:84:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("radixsort.out", "w", stdout); ^