View Compilation Error

0_0_36413363_29348.cpp: In function 'int main()':
0_0_36413363_29348.cpp:40:9: error: redeclaration of 'int j'
   int i,j;
         ^
0_0_36413363_29348.cpp:35:7: note: 'int j' previously declared here
   int j;
       ^