Compilare: main.cpp: In function 'void aflarest()': main.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int f = 1 ; f < a.size() - 1 ; f ++) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'bool incaunul(char*)': main.cpp:38:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(int f = 0 ; f < rest.size() ; f ++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:54:15: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 54 | while(ptr = strstr(ptr, &a[0])) | ~~~~^~~~~~~~~~~~~~~~~~~~