View Compilation Error

0_0_33283608_19166.cpp: In function 'int main()':
0_0_33283608_19166.cpp:26:48: error: expected ')' before ';' token
         for(int i=0,x;i<n;cin>>x,s.insert({x,i};),i++);
                                                ^
0_0_33283608_19166.cpp:26:48: error: expected ')' before ';' token
0_0_33283608_19166.cpp:26:49: error: expected primary-expression before ')' token
         for(int i=0,x;i<n;cin>>x,s.insert({x,i};),i++);
                                                 ^