FORCE-T1352B: Same Parity Summands

#include <bits/stdc++.h>
using namespace std;

int main(){

    int Q;
    scanf("%d", &Q);
    while(Q--){
        int sum, n;
        scanf("%d%d", &sum, &n);
        if(sum % 2 == n % 2){
            int lst = sum - n + 1;
            if(lst < 0){
                cout << "NO\n";
                continue;
            }
            cout << "YES\n";
            for(int i = 1; i < n; ++i){
                cout << "1 ";
            }
            cout << lst << '\n';
        } else if(sum % 2 == 0){
            int lst = sum - n - n + 2;
            if(lst <= 0){
                cout << "NO\n";
                continue;
            }
            cout << "YES\n";
            for(int i = 1; i < n; ++i){
                cout << "2 ";
            }
            cout << lst << '\n';
        } else {
            cout << "NO\n";
        }
    }

    return 0;
}