foo.c:1:1: error: expected identifier or '(' before numeric constant
 01.#include<iostream>   
 ^
foo.c:1:4: error: stray '#' in program
 01.#include<iostream>   
    ^
foo.c:2:1: error: invalid suffix "using" on floating constant
 02.using namespace std;  
 ^
foo.c:3:1: error: expected identifier or '(' before numeric constant
 03.#include<cstdio>   
 ^
foo.c:3:4: error: stray '#' in program
 03.#include<cstdio>   
    ^
foo.c:4:4: error: stray '#' in program
 04.#include<cstring>   
    ^
foo.c:5:4: error: stray '#' in program
 05.#include<cmath>   
    ^
foo.c:6:4: error: stray '#' in program
 06.#include<algorithm>   
    ^
foo.c:7:1: error: invalid suffix "typedef" on floating constant
 07.typedef short hd;  
 ^
foo.c:8:1: error: invalid suffix "char" on floating constant
 08.char * ptr=(char *)malloc(1000000);  
 ^
foo.c:8:1: error: expected identifier or '(' before numeric constant
foo.c:9:1: error: invalid suffix "int" on floating constant
 09.int f[10001][1001];  
 ^
foo.c:9:1: error: expected identifier or '(' before numeric constant
foo.c:10:1: error: invalid suffix "inline" on floating constant
 10.inline void in(hd &x){  
 ^
foo.c:10:1: error: expected identifier or '(' before numeric constant
foo.c:15:1: error: invalid suffix "int" on floating constant
 15.int main(){  
 ^
foo.c:15:1: error: expected identifier or '(' before numeric constant