#include <bits/stdc++.h> #define ll long long int #define pb push_back #define mp make_pair #define mod 1000000007 #define vl vector <ll> #define all(c) (c).begin(),(c).end() using namespace std; long long readInt(long long l,long long r,char endd){ long long x=0; int cnt=0; int fi=-1; bool is_neg=false; while(true){ char g=getchar(); if(g=='-'){ assert(fi==-1); is_neg=true; continue; } if('0'<=g && g<='9'){ x*=10; x+=g-'0'; if(cnt==0){ fi=g-'0'; } cnt++; assert(fi!=0 || cnt==1); assert(fi!=0 || is_neg==false); assert(!(cnt>19 || ( cnt==19 && fi>1) )); } else if(g==endd){ if(is_neg){ x= -x; } if(!(l <= x && x <= r)) { cerr << l << ' ' << r << ' ' << x << '\n'; assert(1 == 0); } return x; } else { assert(false); } } } string readString(int l,int r,char endd){ string ret=""; int cnt=0; while(true){ char g=getchar(); assert(g!=-1); if(g==endd){ break; } cnt++; ret+=g; } assert(l<=cnt && cnt<=r); return ret; } long long readIntSp(long long l,long long r){ return readInt(l,r,' '); } long long readIntLn(long long l,long long r){ return readInt(l,r,'\n'); } string readStringLn(int l,int r){ return readString(l,r,'\n'); } string readStringSp(int l,int r){ return readString(l,r,' '); } const int MAXT = 4000; const int MAXN = 100000; const int MAXA = 1000000000; const int SUMN = 200000; int smn = 0; void solve() { int n = readInt(1,MAXN,'\n'); smn += n; assert(smn <= SUMN); int a[n]; for(int i = 0; i < n - 1; i++) a[i] = readInt(1, MAXA, ' '); a[n - 1] = readInt(1, MAXA, '\n'); int ans = 0; for(int i = 0; i < n; i++) ans += (a[i]%2 == 0); if(ans == n) ans = 0; cout << ans << "\n"; } int main() { //ios_base::sync_with_stdio(false); //cin.tie(NULL),cout.tie(NULL); int T=readInt(1,MAXT,'\n'); while(T--) solve(); assert(getchar()==-1); cerr << "Time : " << 1000 * ((double)clock()) / (double)CLOCKS_PER_SEC << "ms\n"; }