litere.cpp: In function 'int main()': litere.cpp:24: warning: array subscript has type 'char' litere.cpp:33: warning: array subscript has type 'char' litere.cpp:34: warning: array subscript has type 'char' litere.cpp:14: warning: unused variable 'suma' litere.cpp:16: warning: unused variable 'putere' litere.cpp:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result litere.cpp:49: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result litere.cpp:51: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result