foo.c:1:18: warning: extra tokens at end of #include directive [enabled by default]
 #include<cstdio> #include<cstring> #include<iostream> #include<algorithm>
                  ^
foo.c:1:74: fatal error: cstdio: No such file or directory
 #include<cstdio> #include<cstring> #include<iostream> #include<algorithm>
                                                                          ^
compilation terminated.