Eroare de compilare: user.cpp: In function ‘int chestie()’: user.cpp:15:30: warning: unused variable ‘sum’ [-Wunused-variable] int x[100100]= {0},nr,ng,sum,ok,n=0,i,y[100001],j,max,min,ok2=0,a,ok3=0; ^ user.cpp:15:53: warning: unused variable ‘j’ [-Wunused-variable] int x[100100]= {0},nr,ng,sum,ok,n=0,i,y[100001],j,max,min,ok2=0,a,ok3=0; ^ user.cpp:15:63: warning: unused variable ‘ok2’ [-Wunused-variable] int x[100100]= {0},nr,ng,sum,ok,n=0,i,y[100001],j,max,min,ok2=0,a,ok3=0; ^ user.cpp:15:69: warning: unused variable ‘a’ [-Wunused-variable] int x[100100]= {0},nr,ng,sum,ok,n=0,i,y[100001],j,max,min,ok2=0,a,ok3=0; ^ user.cpp:15:71: warning: unused variable ‘ok3’ [-Wunused-variable] int x[100100]= {0},nr,ng,sum,ok,n=0,i,y[100001],j,max,min,ok2=0,a,ok3=0; ^ user.cpp: In function ‘int main()’: user.cpp:135:9: error: redeclaration of ‘int n’ int n = strlen(s); ^ user.cpp:132:9: error: ‘int n’ previously declared here int n,i,j,ok,nr,sum; ^ user.cpp:132:13: warning: unused variable ‘j’ [-Wunused-variable] int n,i,j,ok,nr,sum; ^ user.cpp:132:18: warning: unused variable ‘nr’ [-Wunused-variable] int n,i,j,ok,nr,sum; ^ user.cpp: In function ‘int chestie()’: user.cpp:128:1: warning: control reaches end of non-void function [-Wreturn-type] } ^