View Compilation Error

0_0_32266752_14651.cpp:11:15: error: '::main' must return 'int'
     void main() {
               ^
0_0_32266752_14651.cpp: In function 'int main()':
0_0_32266752_14651.cpp:26:37: error: 'memset' was not declared in this scope
             memset(dp, 0, sizeof(dp));
                                     ^