View Compilation Error

0_0_20614390_15092.cpp:4:5: error: 'y' does not name a type
     y.c;}int main(){    int n;    while(cin>>n)    {        for(int i=0;i<n;i++)        {            cin>>mapp[i].a>>mapp[i].b;            mapp[i].c=mapp[i].a-mapp[i].b;            mapp[i].id=i;        }        sort(mapp,mapp+n,cmp);        cout<<mapp[0].id;        for(int i=1;i<n;i++) cout<<" "<<mapp[i].id;        cout<<endl;    }    return 0;}
     ^
0_0_20614390_15092.cpp:4:9: error: expected declaration before '}' token
     y.c;}int main(){    int n;    while(cin>>n)    {        for(int i=0;i<n;i++)        {            cin>>mapp[i].a>>mapp[i].b;            mapp[i].c=mapp[i].a-mapp[i].b;            mapp[i].id=i;        }        sort(mapp,mapp+n,cmp);        cout<<mapp[0].id;        for(int i=1;i<n;i++) cout<<" "<<mapp[i].id;        cout<<endl;    }    return 0;}
         ^