Compilare: main.cpp: In function 'int main()': main.cpp:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(i=1;i<=strlen(c);i++) | ~^~~~~~~~~~~ main.cpp:13:9: warning: unused variable 'k' [-Wunused-variable] 13 | int k,n,m,i,j,P,s=1; | ^ main.cpp:13:11: warning: unused variable 'n' [-Wunused-variable] 13 | int k,n,m,i,j,P,s=1; | ^ main.cpp:13:13: warning: unused variable 'm' [-Wunused-variable] 13 | int k,n,m,i,j,P,s=1; | ^ main.cpp:13:17: warning: unused variable 'j' [-Wunused-variable] 13 | int k,n,m,i,j,P,s=1; | ^ main.cpp:14:10: warning: unused variable 'H' [-Wunused-variable] 14 | char H,V,c[100]; | ^ main.cpp:14:12: warning: unused variable 'V' [-Wunused-variable] 14 | char H,V,c[100]; | ^