View Compilation Error

0_0_22796541_2605.cpp: In function 'int main()':
0_0_22796541_2605.cpp:14:20: error: 'j' was not declared in this scope
 for(int i=0;i>a[i][j];
                    ^
0_0_22796541_2605.cpp:15:1: error: expected primary-expression before 'for'
 for(int i=n-2;i>=0;i--)
 ^
0_0_22796541_2605.cpp:15:1: error: expected ')' before 'for'