Compilare: user.cpp: In function ‘void Solve()’: user.cpp:38:15: warning: unused variable ‘swapCount’ [-Wunused-variable] int i, j, swapCount = 0, pos, elem, aux; ^ user.cpp:38:41: warning: unused variable ‘aux’ [-Wunused-variable] int i, j, swapCount = 0, pos, elem, aux; ^ user.cpp: In function ‘void Set()’: user.cpp:15:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ", &n, &x); ^ user.cpp:16:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(S); ^ user.cpp: In function ‘void Solve()’: user.cpp:53:9: warning: ‘elem’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(j = 9; j > elem; --j) ^ /tmp/ccjHZNkx.o: In function `Set()': user.cpp:(.text+0x31): warning: the `gets' function is dangerous and should not be used.