/*input
*/
/**
Author: Kristopher Paul
Date Created: 11-02-2021
**/
#include<bits/stdc++.h>
#include<stdio.h>
//#include<unordered_map>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
//#define int ll
#define pb push_back
#define INF 1e18
#define MOD 1000000007
//#define MOD 998244353
#define mp make_pair
const double PI=3.141592653589793238462643383279502884197169399375105820974944;
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define remax(a,b) a = max(a,b)
#define remin(a,b) a = min(a,b)
#define umap map
#define pii pair<int,int>
#define F first
#define S second
#define mii map<int,int>
#define vi vector<int>
#define vvi vector<vi>
#define itr :: iterator it
#define all(v) v.begin(),v.end()
#define WL(t) while(t--)
#define gcd(a,b) __gcd((a),(b))
#define lcm(a,b) ((a)*(b))/gcd((a),(b))
#define out(x) cout << #x << " is " << x << endl
#define FastIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
using namespace std;
//using namespace __gnu_pbds;
//typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> pbds; // set
//typedef tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update> pbds; // multiset
int ModExp(int x,int y,int m){
int res = 1;
x = x % m;
while (y > 0)
{
if (y & 1)
res = (res*x) % m;
y = y>>1;
x = (x*x) % m;
}
return res;
}
ll count_swaps(vi s){
int j = 0;
int ans = 0;
int n = s.size();
FOR(i,0,n){
if(s[i] < 0){
ans += abs(i-j);
j += 2;
}
}
return ans;
}
