Compilare: main.cpp: In function 'int calculare_litere(char*)': main.cpp:8:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(text);i++) ~^~~~~~~~~~~~~ main.cpp: In function 'int calculare_cuvinte(char*)': main.cpp:21:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(text);i++) ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:23: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(text,1000,f); ^