View Compilation Error

0_0_16828353_5589.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_16828353_5589.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_16828353_5589.cpp: In function 'int main()':
0_0_16828353_5589.cpp:55:32: error: 'scanf' was not declared in this scope
     while(scanf("%d %d", &n, &m)!=EOF)
                                ^
0_0_16828353_5589.cpp:55:35: error: 'EOF' was not declared in this scope
     while(scanf("%d %d", &n, &m)!=EOF)
                                   ^
0_0_16828353_5589.cpp:64:34: error: 'memset' was not declared in this scope
        memset(mark,0,sizeof(mark));
                                  ^
0_0_16828353_5589.cpp:78:28: error: 'printf' was not declared in this scope
        printf("%d\n", count);
                            ^