Main.cc: In function ‘int main()’:
Main.cc:7:13: error: expected initializer before ‘<=’ token
double n<=5000;
^~
Main.cc:8:17: error: ‘c’ was not declared in this scope
scanf("%ld", &c);
^
Main.cc:13:13: error: ‘n’ was not declared in this scope
while(tg > n)
^
Main.cc:21:21: warning: '0' flag ignored with precision and ‘%d’ gnu_printf format [-Wformat=]
printf("%0.5ld", PI);
^
Main.cc:21:21: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘double’ [-Wformat=]