View Compilation Error

0_0_27697441_16183.cpp:33:11: error: '::main' must return 'int'
 void main() {
           ^
0_0_27697441_16183.cpp: In function 'int main()':
0_0_27697441_16183.cpp:36:27: error: 'memset' was not declared in this scope
   memset(dp, 0, sizeof(dp));
                           ^