Compilare: main.cpp: In function 'int termen()': main.cpp:32:6: warning: unused variable 'ok' [-Wunused-variable] bool ok=0; ^~ main.cpp: In function 'int main()': main.cpp:70:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<strlen(v); i++) ~^~~~~~~~~~ main.cpp:103:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i1=0; i1<strlen(var); i1++) ~~^~~~~~~~~~~~