1.324e+3+3
abc+.1-e
2e-3L+e2
2E+32345
.1e3
34534.34F+2
System.out.println("hello, world\n");
"\\\"" "wef\
" + wef
switch()case'a':default:break;
public static void main(String[] args) {
	
}
#define ABCD \
lll \
wef
int *p;
#define GREATER(a, b, result) ({ \
	asm("cmp %1, %2\n\t" \
		"jge 0f\n\t" \
		"movl %1, %0\n\t" \
		"jmp 1f\n " \
		"0:\n\t" \
		"movl %2, %0\n " \
		"1:" \
		:"=r"(result) /* comments */\
		:"r"(a), "r"(b)); })
CODESG ENDS cout << "hello world" << endl;
#if\
asdf

a=100 # awpeignwaeg
b=50 #2t23t
print(a+b,end="=c")
0x3453+1
0xE+10
0xF+1
R"(ab
c)"
int main
	int a b c using namespace std and   bye bye
auto main() -> int
print "hello cmr"
a is 'A' and b is "b
#include "stdio.h"
int main(){return 0;}
scanf("%d", &a);
char l[1000], *p1=l, *p2, t;
'wawawaw
0b'2233423'32323 // C++14 digital separator
'\n\'\"\\\\\"'"
0x35f 324 88658758758575ulll sizeof 'd' 'f' 088ull 0x
#if 0
#define asdf ee\
weggwrh\h
reherh
// 232trt\
wetwet
"wef\
 gewg"
  /* ÖÐÎÄ */ 
#endif
"asdf\
325\h
#include /* 
 */ <iostream>
  5g34g
  #include //\
23f32f32g
23g23g
#endif
'
/*  *
ert */
#define asdf\
awer
int a; //I'm a comment

return b; ///triple slash introduces a comment too