View Compilation Error

0_0_33292047_4345.cpp: In function 'void floyd(int)':
0_0_33292047_4345.cpp:18:9: error: 'i' was not declared in this scope
     arr[i][j] = arr[i][k]+arr[k][j];
         ^
0_0_33292047_4345.cpp:18:12: error: 'j' was not declared in this scope
     arr[i][j] = arr[i][k]+arr[k][j];
            ^