foo.cpp:5:20: warning: extra tokens at end of #include directive [enabled by default]
 #include <cstdlib> #include <cstdio> #include <vector> #include <deque> #include <queue> #include <cmath> #include <map> //#include <time.h>
                    ^
foo.cpp: In function 'void solve()':
foo.cpp:57:19: error: 'printf' was not declared in this scope
 printf("%d\n",maxl);
                   ^
foo.cpp: In function 'int main()':
foo.cpp:60:20: error: 'scanf' was not declared in this scope
 scanf("%d %d",&n,&m);
                    ^