Compilare: user.cpp: In function ‘int main()’: user.cpp:26:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] scanf("%c",&X[i]),a[X[i]]=i; ^ user.cpp:33:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] OK[a[s[1]]][a[s[2]]][a[s[3]]][a[s[4]]][a[s[5]]]++; ^ user.cpp:33:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] OK[a[s[1]]][a[s[2]]][a[s[3]]][a[s[4]]][a[s[5]]]++; ^ user.cpp:33:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] OK[a[s[1]]][a[s[2]]][a[s[3]]][a[s[4]]][a[s[5]]]++; ^ user.cpp:33:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] OK[a[s[1]]][a[s[2]]][a[s[3]]][a[s[4]]][a[s[5]]]++; ^ user.cpp:33:50: warning: array subscript has type ‘char’ [-Wchar-subscripts] OK[a[s[1]]][a[s[2]]][a[s[3]]][a[s[4]]][a[s[5]]]++; ^ user.cpp:18:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.in","r",stdin); ^ user.cpp:19:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.out","w",stdout); ^ user.cpp:21:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&test,&N); ^ user.cpp:23:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&X[1]); ^ user.cpp:26:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&X[i]),a[X[i]]=i; ^ user.cpp:28:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&X[0]); ^ user.cpp:32:62: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c%c%c%c%c%c",&s[1],&s[2],&s[3],&s[4],&s[5],&X[0]); ^