Language: C++

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<functional>
#include<vector>
#include<queue>
#include<stack>
#include<set>
#include<map>
using namespace std;
#define MOD 1000000007
#define f(i,n) for(long long i=0;i<long long(n);i++)
#define N 20000


int main(){
	vector<long long>a;
	long long b[N];
	f(i, N)b[i] = 0;
	long long n, k;
	long long x;
	long long s, ans;
	long long kk;
	bool v = true;
	ans = 0;
	scanf("%lld %lld", &n,&k);
	f(i, n){
		scanf("%lld", &b[i]);
	}
	f(i, n){
		s = 0;
		for (int j = i; j < n; j++){
			s += b[j];
			a.push_back(s);
		}
	}
	ans = 0;
	for (int i = 50; i >= 0; i--){
		kk = 0;
		x = (1 << i);
		ans += x;
		f(j, a.size())if ((ans&a[j]) == ans)kk++;
		if (kk < k)ans -= x;
	}
	printf("%lld\n", ans);



	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:21:9: note: in expansion of macro 'f'
   21 |         f(i, N)b[i] = 0;
      |         ^
a.cc:14:36: error: expected ';' before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:21:9: note: in expansion of macro 'f'
   21 |         f(i, N)b[i] = 0;
      |         ^
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:21:9: note: in expansion of macro 'f'
   21 |         f(i, N)b[i] = 0;
      |         ^
a.cc:14:36: error: expected ')' before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                   ~                ^~~~
a.cc:21:9: note: in expansion of macro 'f'
   21 |         f(i, N)b[i] = 0;
      |         ^
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:21:9: note: in expansion of macro 'f'
   21 |         f(i, N)b[i] = 0;
      |         ^
a.cc:21:11: error: 'i' was not declared in this scope
   21 |         f(i, N)b[i] = 0;
      |           ^
a.cc:14:49: note: in definition of macro 'f'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                                 ^
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:29:9: note: in expansion of macro 'f'
   29 |         f(i, n){
      |         ^
a.cc:14:36: error: expected ';' before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:29:9: note: in expansion of macro 'f'
   29 |         f(i, n){
      |         ^
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:29:9: note: in expansion of macro 'f'
   29 |         f(i, n){
      |         ^
a.cc:14:36: error: expected ')' before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                   ~                ^~~~
a.cc:29:9: note: in expansion of macro 'f'
   29 |         f(i, n){
      |         ^
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:32:9: note: in expansion of macro 'f'
   32 |         f(i, n){
      |         ^
a.cc:14:36: error: expected ';' before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:32:9: note: in expansion of macro 'f'
   32 |         f(i, n){
      |         ^
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:32:9: note: in expansion of macro 'f'
   32 |         f(i, n){
      |         ^
a.cc:14:36: error: expected ')' before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                   ~                ^~~~
a.cc:32:9: note: in expansion of macro 'f'
   32 |         f(i, n){
      |         ^
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:44:17: note: in expansion of macro 'f'
   44 |                 f(j, a.size())if ((ans&a[j]) == ans)kk++;
      |                 ^
a.cc:14:36: error: expected ';' before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:44:17: note: in expansion of macro 'f'
   44 |                 f(j, a.size())if ((ans&a[j]) == ans)kk++;
      |                 ^
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:44:17: note: in expansion of macro 'f'
   44 |                 f(j, a.size())if ((ans&a[j]) == ans)kk++;
      |                 ^
a.cc:14:36: error: expected ')' before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                   ~                ^~~~
a.cc:44:17: note: in expansion of macro 'f'
   44 |                 f(j, a.size())if ((ans&a[j]) == ans)kk++;
      |                 ^
a.cc:14:36: error: expected primary-expression before 'long'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                    ^~~~
a.cc:44:17: note: in expansion of macro 'f'
   44 |                 f(j, a.size())if ((ans&a[j]) == ans)kk++;
      |                 ^
a.cc:44:19: error: 'j' was not declared in this scope
   44 |                 f(j, a.size())if ((ans&a[j]) == ans)kk++;
      |                   ^
a.cc:14:49: note: in definition of macro 'f'
   14 | #define f(i,n) for(long long i=0;i<long long(n);i++)
      |                                                 ^