0_0_35344590_18467.cpp: In function 'int main()': 0_0_35344590_18467.cpp:9:29: error: 'memset' was not declared in this scope memset(a,0,sizeof(a)); ^ 0_0_35344590_18467.cpp:12:19: error: 'sort' was not declared in this scope sort(a,a+n); ^