Main.cc: In function 'int main()':
Main.cc:6:4: error: expected ',' or ';' before 'while'
while(cin>>n){
^
Main.cc:4:8: warning: unused variable 'n' [-Wunused-variable]
int n;
^
Main.cc:5:8: warning: unused variable 'sum' [-Wunused-variable]
int sum=0
^
Main.cc:19:1: error: expected '}' at end of input
}
^