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#include <bits/stdc++.h>
using namespace std;
 
//Function to find first index of element in array a
//greater than x, you can using upper_bound too.
int upper(int a[], int l, int r, int x){
	int res = -1 ;
	while(l <= r){
		int m = (l+r) / 2;
		if(a[m] > x){
			res = m ;
			r = m - 1;
		}
		else{
			l = m + 1;
		}
	}
	return res;
}
 
int cnt[5];
 
int dem(int y[], int m, int x){
	if(x==0) return 0;
	else if (x == 1) return cnt[0];
	int ans = cnt[0] + cnt[1];
	int i1 = upper(y, 0, m-1, x);
	if(i1!=-1) ans += m - i1;
	if(x==2) ans = ans - cnt[3] - cnt[4];
	if(x==3) ans += cnt[2];
	return ans;
}
 
 
void TC(){
	int n, m ; cin >> n >> m;
	memset(cnt, 0 , sizeof(cnt));
	int x[n], y[m];
	for(int i = 0; i < n; i++){
		cin >> x[i];
	}
	for(int i = 0; i < m; i++){
		cin >> y[i];
		if(y[i] <= 4){
			cnt[y[i]]++;
		}
	}
	sort(y, y + m);
	long long ans = 0;
	for(int i = 0; i < n; i++){
		ans += dem(y, m, x[i]);
	}
	cout << ans << endl;
}
int main(){
	int t; cin >> t;
	while(t--){
		TC();
	}
}

Main.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:1: error: class, interface, or enum expected
#include <bits/stdc++.h>
         ^
Main.java:6: error: class, interface, or enum expected
int upper(int a[], int l, int r, int x){
^
Main.java:8: error: class, interface, or enum expected
	while(l <= r){
	^
Main.java:10: error: class, interface, or enum expected
		if(a[m] > x){
		^
Main.java:12: error: class, interface, or enum expected
			r = m - 1;
			^
Main.java:13: error: class, interface, or enum expected
		}
		^
Main.java:16: error: class, interface, or enum expected
		}
		^
Main.java:19: error: class, interface, or enum expected
}
^
Main.java:23: error: class, interface, or enum expected
int dem(int y[], int m, int x){
^
Main.java:25: error: class, interface, or enum expected
	else if (x == 1) return cnt[0];
	^
Main.java:26: error: class, interface, or enum expected
	int ans = cnt[0] + cnt[1];
	^
Main.java:27: error: class, interface, or enum expected
	int i1 = upper(y, 0, m-1, x);
	^
Main.java:28: error: class, interface, or enum expected
	if(i1!=-1) ans += m - i1;
	^
Main.java:29: error: class, interface, or enum expected
	if(x==2) ans = ans - cnt[3] - cnt[4];
	^
Main.java:30: error: class, interface, or enum expected
	if(x==3) ans += cnt[2];
	^
Main.java:31: error: class, interface, or enum expected
	return ans;
	^
Main.java:32: error: class, interface, or enum expected
}
^
Main.java:36: error: class, interface, or enum expected
	int n, m ; cin >> n >> m;
	           ^
Main.java:37: error: class, interface, or enum expected
	memset(cnt, 0 , sizeof(cnt));
	^
Main.java:38: error: class, interface, or enum expected
	int x[n], y[m];
	^
Main.java:39: error: class, interface, or enum expected
	for(int i = 0; i < n; i++){
	^
Main.java:39: error: class, interface, or enum expected
	for(int i = 0; i < n; i++){
	               ^
Main.java:39: error: class, interface, or enum expected
	for(int i = 0; i < n; i++){
	                      ^
Main.java:41: error: class, interface, or enum expected
	}
	^
Main.java:42: error: class, interface, or enum expected
	for(int i = 0; i < m; i++){
	               ^
Main.java:42: error: class, interface, or enum expected
	for(int i = 0; i < m; i++){
	                      ^
Main.java:44: error: class, interface, or enum expected
		if(y[i] <= 4){
		^
Main.java:46: error: class, interface, or enum expected
		}
		^
Main.java:49: error: class, interface, or enum expected
	long long ans = 0;
	^
Main.java:50: error: class, interface, or enum expected
	for(int i = 0; i < n; i++){
	^
Main.java:50: error: class, interface, or enum expected
	for(int i = 0; i < n; i++){
	               ^
Main.java:50: error: class, interface, or enum expected
	for(int i = 0; i < n; i++){
	                      ^
Main.java:52: error: class, interface, or enum expected
	}
	^
Main.java:54: error: class, interface, or enum expected
}
^
Main.java:56: error: class, interface, or enum expected
	int t; cin >> t;
	       ^
Main.java:57: error: class, interface, or enum expected
	while(t--){
	^
Main.java:59: error: class, interface, or enum expected
	}
	^
38 errors

Standard output is empty