Compilare: main.cpp: In function 'int main()': main.cpp:15:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(i=0;i<strlen(c);i++){ | ~^~~~~~~~~~ main.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(i=0;i<strlen(c);i++){ | ~^~~~~~~~~~ main.cpp:12:31: warning: unused variable 'nr' [-Wunused-variable] 12 | int p,i,p1=0,n=1,m=1,ok=1,nr=0,j,mp=1,hp=0,vp=0,d=0,k=0,kk=0; | ^~ main.cpp:12:36: warning: unused variable 'j' [-Wunused-variable] 12 | int p,i,p1=0,n=1,m=1,ok=1,nr=0,j,mp=1,hp=0,vp=0,d=0,k=0,kk=0; | ^ main.cpp:12:38: warning: unused variable 'mp' [-Wunused-variable] 12 | int p,i,p1=0,n=1,m=1,ok=1,nr=0,j,mp=1,hp=0,vp=0,d=0,k=0,kk=0; | ^~ main.cpp:12:43: warning: unused variable 'hp' [-Wunused-variable] 12 | int p,i,p1=0,n=1,m=1,ok=1,nr=0,j,mp=1,hp=0,vp=0,d=0,k=0,kk=0; | ^~ main.cpp:12:48: warning: unused variable 'vp' [-Wunused-variable] 12 | int p,i,p1=0,n=1,m=1,ok=1,nr=0,j,mp=1,hp=0,vp=0,d=0,k=0,kk=0; | ^~ main.cpp:12:53: warning: unused variable 'd' [-Wunused-variable] 12 | int p,i,p1=0,n=1,m=1,ok=1,nr=0,j,mp=1,hp=0,vp=0,d=0,k=0,kk=0; | ^ main.cpp:12:61: warning: unused variable 'kk' [-Wunused-variable] 12 | int p,i,p1=0,n=1,m=1,ok=1,nr=0,j,mp=1,hp=0,vp=0,d=0,k=0,kk=0; | ^~