View Compilation Error

0_0_15295959_31101.cpp:36:15: error: stray '#' in program
   int ans = 0;#include<stdio.h>
               ^
0_0_15295959_31101.cpp: In function 'int main()':
0_0_15295959_31101.cpp:36:16: error: 'include' was not declared in this scope
   int ans = 0;#include<stdio.h>
                ^
0_0_15295959_31101.cpp:36:24: error: 'stdio' was not declared in this scope
   int ans = 0;#include<stdio.h>
                        ^
0_0_15295959_31101.cpp:39:1: error: expected primary-expression before 'using'
 using namespace std;
 ^
0_0_15295959_31101.cpp:49:17: error: a function-definition is not allowed here before '{' token
 int f(double th){
                 ^
0_0_15295959_31101.cpp:89:1: error: expected '}' at end of input
 }
 ^
0_0_15295959_31101.cpp:89:1: error: expected '}' at end of input