菜鸡的CF之旅

    #include <iostream>
    using namespace std;
    int t,n,x,ji,ou;
    int a[1007];
    int main(){
    	scanf("%d",&t);
    	while(t--){
    		scanf("%d%d",&n,&x);
    		ji=0,ou=0;
    		for(int i=1;i<=n;i++){\\统计数组中奇数和偶数的个数
    			scanf("%d",&a[i]);
    			if(a[i]%2==0) ou++;
    			else ji++;
    		}
    		if(x%2==0){
    			int n1=x-1,n2=1,flag=0;\\将x拆分
    			while(n1>0){\\遍历拆分的x
    				if(ji>=n1&&ou>=n2){
    					flag=1;
    				}
    				n1-=2,n2+=2;
    			}
    			if(flag) cout<<"Yes"<<endl;
    			else cout<<"No"<<endl;
    		}else{
    			int n1=x,n2=0,flag=0;
    			while(n1>0){
    				if(ji>=n1&&ou>=n2){
    					flag=1;
    				}
    				n1-=2,n2+=2;
    			}
    			if(flag) cout<<"Yes"<<endl;
    			else cout<<"No"<<endl;
    		}
    		
    	}
    }