foo.cpp:1:4: error: stray '#' in program
 01.#include<iostream>   
    ^
foo.cpp:3:4: error: stray '#' in program
 03.#include<cstdio>   
    ^
foo.cpp:4:4: error: stray '#' in program
 04.#include<cstring>   
    ^
foo.cpp:5:4: error: stray '#' in program
 05.#include<cmath>   
    ^
foo.cpp:6:4: error: stray '#' in program
 06.#include<algorithm>   
    ^
foo.cpp:1:1: error: expected unqualified-id before numeric constant
 01.#include<iostream>   
 ^
foo.cpp:3:1: error: expected unqualified-id before numeric constant
 03.#include<cstdio>   
 ^
foo.cpp:8:1: error: expected unqualified-id before numeric constant
 08.char * ptr=(char *)malloc(1000000);  
 ^
foo.cpp:9:1: error: expected unqualified-id before numeric constant
 09.int f[10001][1001];  
 ^
foo.cpp:10:1: error: expected unqualified-id before numeric constant
 10.inline void in(hd &x){  
 ^
foo.cpp:15:1: error: expected unqualified-id before numeric constant
 15.int main(){  
 ^