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#include<iostream>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<fstream>
#include<unordered_map>
#define all(a) a.begin(), a.end()
#define fr(i, zz, zzz) for (int i = zz; i <= zzz; i++)
#define ll long long
#define pii pair<int, int>
#define frr(i, zz, zzz) for (int i = zz; i >= zzz; i--)
#define full(asdf) memset(asdf, 0, sizeof(asdf))
#define st first
#define nd second
#define IOS ios_base::sync_with_stdio(0);   cin.tie(0); cout.tie(0);
using namespace std;
const int N = 1E4 + 1;
fstream f,g;
ll l, r;
bool a[N];
void check() {
	a[0] = 1;
	a[1] = 1;
	for (int i = 2; i*i <= N; ++i)
		if (a[i] == 0)
			for (int j = i*i; j <= N; j += i)
				a[j] = 1;
}
bool divider(ll x) {
	int cnt = 2;
	for(ll i = 2; i*i < x; ++i) {
		if (x % i == 0)
			cnt += 2;
	}
	cnt += 1;
	return (a[cnt] == 0);
}
void solve() {
	int res = 0;
	ll i = sqrt(l);
	for (i; i*i <= r; ++i) {
 
		if (i <= 1) {
			continue;
		}
 
		if (divider(i*i) == true) {
	//		cout << i*i << "\n";
			++res;
		}
 
	}
	cout << res;
	return;
}
int main () {
	check();
	IOS
	f.open("BAI4.INP", ios::in);
	g.open("BAI4.OUT", ios::out);
	cin >> l >> r;
	solve();
}
 

Main.java:1: error: illegal character: '#'
#include<iostream>
^
Main.java:1: error: class, interface, or enum expected
#include<iostream>
        ^
Main.java:2: error: illegal character: '#'
#include<algorithm>
^
Main.java:3: error: illegal character: '#'
#include<cmath>
^
Main.java:4: error: illegal character: '#'
#include<cstring>
^
Main.java:5: error: illegal character: '#'
#include<fstream>
^
Main.java:6: error: illegal character: '#'
#include<unordered_map>
^
Main.java:7: error: illegal character: '#'
#define all(a) a.begin(), a.end()
^
Main.java:8: error: illegal character: '#'
#define fr(i, zz, zzz) for (int i = zz; i <= zzz; i++)
^
Main.java:8: error: class, interface, or enum expected
#define fr(i, zz, zzz) for (int i = zz; i <= zzz; i++)
                                        ^
Main.java:8: error: class, interface, or enum expected
#define fr(i, zz, zzz) for (int i = zz; i <= zzz; i++)
                                                  ^
Main.java:9: error: illegal character: '#'
#define ll long long
^
Main.java:10: error: illegal character: '#'
#define pii pair<int, int>
^
Main.java:11: error: illegal character: '#'
#define frr(i, zz, zzz) for (int i = zz; i >= zzz; i--)
^
Main.java:11: error: class, interface, or enum expected
#define frr(i, zz, zzz) for (int i = zz; i >= zzz; i--)
                                         ^
Main.java:11: error: class, interface, or enum expected
#define frr(i, zz, zzz) for (int i = zz; i >= zzz; i--)
                                                   ^
Main.java:12: error: illegal character: '#'
#define full(asdf) memset(asdf, 0, sizeof(asdf))
^
Main.java:13: error: illegal character: '#'
#define st first
^
Main.java:14: error: illegal character: '#'
#define nd second
^
Main.java:15: error: illegal character: '#'
#define IOS ios_base::sync_with_stdio(0);   cin.tie(0); cout.tie(0);
^
Main.java:15: error: class, interface, or enum expected
#define IOS ios_base::sync_with_stdio(0);   cin.tie(0); cout.tie(0);
                                            ^
Main.java:15: error: class, interface, or enum expected
#define IOS ios_base::sync_with_stdio(0);   cin.tie(0); cout.tie(0);
                                                        ^
Main.java:16: error: class, interface, or enum expected
using namespace std;
^
Main.java:17: error: class, interface, or enum expected
const int N = 1E4 + 1;
^
Main.java:18: error: class, interface, or enum expected
fstream f,g;
^
Main.java:19: error: class, interface, or enum expected
ll l, r;
^
Main.java:20: error: class, interface, or enum expected
bool a[N];
^
Main.java:21: error: class, interface, or enum expected
void check() {
^
Main.java:23: error: class, interface, or enum expected
	a[1] = 1;
	^
Main.java:24: error: class, interface, or enum expected
	for (int i = 2; i*i <= N; ++i)
	^
Main.java:24: error: class, interface, or enum expected
	for (int i = 2; i*i <= N; ++i)
	                ^
Main.java:24: error: class, interface, or enum expected
	for (int i = 2; i*i <= N; ++i)
	                          ^
Main.java:26: error: class, interface, or enum expected
			for (int j = i*i; j <= N; j += i)
			                  ^
Main.java:26: error: class, interface, or enum expected
			for (int j = i*i; j <= N; j += i)
			                          ^
Main.java:28: error: class, interface, or enum expected
}
^
Main.java:31: error: class, interface, or enum expected
	for(ll i = 2; i*i < x; ++i) {
	^
Main.java:31: error: class, interface, or enum expected
	for(ll i = 2; i*i < x; ++i) {
	              ^
Main.java:31: error: class, interface, or enum expected
	for(ll i = 2; i*i < x; ++i) {
	                       ^
Main.java:34: error: class, interface, or enum expected
	}
	^
Main.java:36: error: class, interface, or enum expected
	return (a[cnt] == 0);
	^
Main.java:37: error: class, interface, or enum expected
}
^
Main.java:40: error: class, interface, or enum expected
	ll i = sqrt(l);
	^
Main.java:41: error: class, interface, or enum expected
	for (i; i*i <= r; ++i) {
	^
Main.java:41: error: class, interface, or enum expected
	for (i; i*i <= r; ++i) {
	        ^
Main.java:41: error: class, interface, or enum expected
	for (i; i*i <= r; ++i) {
	                  ^
Main.java:45: error: class, interface, or enum expected
		}
		^
Main.java:50: error: class, interface, or enum expected
		}
		^
Main.java:54: error: class, interface, or enum expected
	return;
	^
Main.java:55: error: class, interface, or enum expected
}
^
Main.java:58: error: class, interface, or enum expected
	IOS
	^
Main.java:60: error: class, interface, or enum expected
	g.open("BAI4.OUT", ios::out);
	^
Main.java:61: error: class, interface, or enum expected
	cin >> l >> r;
	^
Main.java:62: error: class, interface, or enum expected
	solve();
	^
Main.java:63: error: class, interface, or enum expected
}
^
54 errors

Standard output is empty