View Compilation Error

0_0_38403751_13434.cpp:6:16: error: size of array 'weight' has non-integral type 'double'
 int weight[MAXN];
                ^
0_0_38403751_13434.cpp:7:15: error: size of array 'value' has non-integral type 'double'
 int value[MAXN];
               ^
0_0_38403751_13434.cpp:8:18: error: size of array 'dp' has non-integral type 'double'
 int dp[MAXN][MAXN];
                  ^
0_0_38403751_13434.cpp:8:18: error: size of array 'dp' has non-integral type 'double'