Compilare: user.cpp: In function ‘int chestie()’: user.cpp:46:23: warning: unused variable ‘y2’ [-Wunused-variable] int y[100001],y2[100001],j,max,ok2=0,a,ok3=0; ^ user.cpp:46:40: warning: unused variable ‘ok2’ [-Wunused-variable] int y[100001],y2[100001],j,max,ok2=0,a,ok3=0; ^ user.cpp:46:46: warning: unused variable ‘a’ [-Wunused-variable] int y[100001],y2[100001],j,max,ok2=0,a,ok3=0; ^ user.cpp:95:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ind<strlen(s)-1) ^ user.cpp:15:29: warning: unused variable ‘sum’ [-Wunused-variable] int x[100001]={0},nr,ng,sum,ok,n=0,i; ^ user.cpp: In function ‘int main()’: user.cpp:133:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(s); ++i) ^ user.cpp:130:9: warning: unused variable ‘n’ [-Wunused-variable] int n,i,j,ok,nr,sum; ^ user.cpp:130:13: warning: unused variable ‘j’ [-Wunused-variable] int n,i,j,ok,nr,sum; ^ user.cpp:130:18: warning: unused variable ‘nr’ [-Wunused-variable] int n,i,j,ok,nr,sum; ^ user.cpp:130:21: warning: unused variable ‘sum’ [-Wunused-variable] int n,i,j,ok,nr,sum; ^ user.cpp: In function ‘int chestie()’: user.cpp:126:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp:46:36: warning: ‘max’ may be used uninitialized in this function [-Wmaybe-uninitialized] int y[100001],y2[100001],j,max,ok2=0,a,ok3=0; ^