View Compilation Error

0_0_33737046_1741.cpp: In function 'int main()':
0_0_33737046_1741.cpp:25:12: error: redeclaration of 'int i'
        int i=1,n=0;
            ^
0_0_33737046_1741.cpp:13:13: note: 'int i' previously declared here
         int i,n,num,flag=1;
             ^
0_0_33737046_1741.cpp:25:16: error: redeclaration of 'int n'
        int i=1,n=0;
                ^
0_0_33737046_1741.cpp:13:15: note: 'int n' previously declared here
         int i,n,num,flag=1;
               ^