View Compilation Error

0_0_13911835_6288.cpp:1:1: error: 'include' does not name a type
 include<iostream>
 ^
0_0_13911835_6288.cpp: In function 'int main()':
0_0_13911835_6288.cpp:6:22: error: 'stdin' was not declared in this scope
     freopen("in","r",stdin);
                      ^
0_0_13911835_6288.cpp:6:27: error: 'freopen' was not declared in this scope
     freopen("in","r",stdin);
                           ^
0_0_13911835_6288.cpp:9:5: error: 'cin' was not declared in this scope
     cin >> N >> Q;
     ^
0_0_13911835_6288.cpp:34:28: error: 'scanf' was not declared in this scope
         scanf("%d %d",&l,&r);
                            ^
0_0_13911835_6288.cpp:35:36: error: 'printf' was not declared in this scope
         printf("%d\n",res[l-1][r-1]);
                                    ^