View Compilation Error

0_0_29491902_24706.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_29491902_24706.cpp: In function 'int main()':
0_0_29491902_24706.cpp:107:31: error: 'scanf' was not declared in this scope
     while(scanf("%d%d", &n, &m) != EOF) 
                               ^
0_0_29491902_24706.cpp:107:36: error: 'EOF' was not declared in this scope
     while(scanf("%d%d", &n, &m) != EOF) 
                                    ^
0_0_29491902_24706.cpp:109:31: error: 'memset' was not declared in this scope
         memset(a, 0, sizeof(a)); 
                               ^
0_0_29491902_24706.cpp:119:38: error: expected primary-expression before '<' token
             scanf("%d%d%d%d", &flag, <, &rt, &col); 
                                      ^
0_0_29491902_24706.cpp:119:39: error: expected primary-expression before ',' token
             scanf("%d%d%d%d", &flag, <, &rt, &col); 
                                       ^
0_0_29491902_24706.cpp:128:35: error: 'printf' was not declared in this scope
                 printf("%d\n", ans); 
                                   ^