View Compilation Error

0_0_22059785_15826.cpp: In function 'int main()':
0_0_22059785_15826.cpp:9:27: error: 'memset' was not declared in this scope
       memset(b,0,sizeof(b));
                           ^
0_0_22059785_15826.cpp:28:4: error: expected '}' at end of input
    }
    ^