View Compilation Error

0_0_23217244_26229.cpp:26:4: error: expected unqualified-id before '/' token
 } */
    ^
0_0_23217244_26229.cpp:26:4: error: expected constructor, destructor, or type conversion before '/' token
0_0_23217244_26229.cpp:30:18: error: conflicting declaration 'int dp [21][150001]'
 int dp[21][150001];//这个也是小优给的
                  ^
0_0_23217244_26229.cpp:4:5: note: previous declaration as 'int dp [21][15001]'
 int dp[21][15001];//挂的方法数
     ^
0_0_23217244_26229.cpp: In function 'int main()':
0_0_23217244_26229.cpp:31:5: error: redefinition of 'int main()'
 int main(){
     ^
0_0_23217244_26229.cpp:5:5: note: 'int main()' previously defined here
 int main()
     ^