View Compilation Error

0_0_32467973_26959.cpp:7:12: error: size of array 'p' has non-integral type 'double'
 int p[3e6+7],dp[3e6+7];
            ^
0_0_32467973_26959.cpp:7:22: error: size of array 'dp' has non-integral type 'double'
 int p[3e6+7],dp[3e6+7];
                      ^