View Compilation Error

0_0_13465162_11276.cpp: In function 'int main()':
0_0_13465162_11276.cpp:9:37: error: 'memset' was not declared in this scope
         memset(price,0,sizeof(price));
                                     ^
0_0_13465162_11276.cpp:12:27: error: 'sort' was not declared in this scope
         sort(price,price+n);
                           ^