patrate.cpp: In function 'void simulare(int, int, int)': patrate.cpp:14: warning: array subscript has type 'char' patrate.cpp:16: warning: array subscript has type 'char' patrate.cpp:17: warning: array subscript has type 'char' patrate.cpp:18: warning: array subscript has type 'char' patrate.cpp: In function 'int valid()': patrate.cpp:35: warning: array subscript has type 'char' patrate.cpp: In function 'int back()': patrate.cpp:60: warning: array subscript has type 'char' patrate.cpp:62: warning: array subscript has type 'char' patrate.cpp:68: warning: array subscript has type 'char' patrate.cpp:71: warning: no return statement in function returning non-void patrate.cpp: In function 'int main()': patrate.cpp:75: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result patrate.cpp:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result patrate.cpp:78: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result patrate.cpp:80: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result