View Compilation Error

0_0_17324301_32606.cpp:1:1: error: 'include' does not name a type
 include<iostream>
 ^
0_0_17324301_32606.cpp: In function 'int main()':
0_0_17324301_32606.cpp:42:18: error: 'scanf' was not declared in this scope
     scanf("%d",&t);
                  ^
0_0_17324301_32606.cpp:43:13: error: 'getchar' was not declared in this scope
     getchar();
             ^
0_0_17324301_32606.cpp:49:15: error: 'gets' was not declared in this scope
         gets(b);
               ^
0_0_17324301_32606.cpp:68:48: error: 'printf' was not declared in this scope
         printf("Case %d: %d 1 %d\n",k-t,min,max); 
                                                ^