Compilare: main.cpp: In function 'long long int formapoloneza()': main.cpp:49:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < s.length() ; i ++) ~~^~~~~~~~~~~~ main.cpp:55:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < s.length() && isdigit(s[i])) ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:103:36: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] printf("%d\n" , formapoloneza()); ^ main.cpp:98:9: warning: unused variable 'i' [-Wunused-variable] int i; ^ main.cpp:96:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare.in" , "r" , stdin); ^ main.cpp:97:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare.out" , "w" , stdout); ^