Compilare: main.cpp: In function 'int main()': main.cpp:20:25: warning: array subscript has type 'char' [-Wchar-subscripts] alfabet[ s[ i ] ]++; ^ main.cpp:25:24: warning: array subscript has type 'char' [-Wchar-subscripts] alfabet[ s[ i ]]--; ^ main.cpp:15:15: warning: unused variable 'j' [-Wunused-variable] int n, i, j; ^ main.cpp:12:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen( "shiftright.in", "r", stdin ); ^ main.cpp:13:45: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen( "shiftright.out", "w", stdout ); ^ main.cpp:17:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf( "%s", s ); ^ main.cpp:23:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf( "%s", s ); ^