#include <iostream>
#include <cstring>
using namespace std;
int main() {
char n[10];
char x[20];
x[0] = '\0';
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8Y3N0cmluZz4KdXNpbmcgbmFtZXNwYWNlIHN0ZDsKaW50IG1haW4oKSB7CmNoYXIgblsxMF07CmNoYXIgeFsyMF07CnhbMF0gPSAnXDAnOwpzdHJjYXQobiwiXDAiKTsKc3RyY2F0KG4sIjAxMjM0NTYiKTsKc3RyY2F0KG4seCk7CnN0cmNhdChuLHgpOwpjb3V0IDw8IHN0cmxlbihuKTsKfQo=
prog.cs(2,0): error CS1024: Wrong preprocessor directive
prog.cs(3,0): error CS1024: Wrong preprocessor directive
prog.cs(3,7): error CS1041: Identifier expected: `namespace' is a keyword
prog.cs(3,20): error CS1003: Syntax error, `.' expected
prog.cs(5,7): error CS1518: Expected `class', `delegate', `enum', `interface', or `struct'
Compilation failed: 5 error(s), 0 warnings