View Compilation Error

0_0_33967043_23868.cpp:1:15: error: size of array 'a' has non-integral type 'double'
 int a[5e4][5e4];
               ^
0_0_33967043_23868.cpp:1:15: error: size of array 'a' has non-integral type 'double'
0_0_33967043_23868.cpp:2:15: error: size of array 'b' has non-integral type 'double'
 int b[5e4][5e4];
               ^
0_0_33967043_23868.cpp:2:15: error: size of array 'b' has non-integral type 'double'