csps模拟测试57

 1 #include<cstdio>
 2 #include<iostream>
 3 #include<algorithm>
 4 #include<cstring>
 5 using namespace std;
 6 inline int read()
 7 {
 8     int x=0,f=1;char c=getchar();
 9     while(c<‘0‘||c>‘9‘) {if(c=‘-‘) f=-1;c=getchar();}
10     while(c>=‘0‘&&c<=‘9‘) x=x*10+c-48,c=getchar();
11     return x*f;
12 }
13 int main()
14 {
15     int t=read();
16     while(t--)
17     {
18         int a=read(),b=read(),c=read(),x=read(),y=read(),z=read(),cnt=0;
19         if(x<a&&y<b&&z<c){puts("YES");continue;}
20         if(x>a&&y>b&&z>c){puts("NO");continue;}
21         if(a>x) cnt+=(a-x)/2;else cnt+=(a-x);
22         if(b>y) cnt+=(b-y)/2;else cnt+=(b-y);
23         if(c>z) cnt+=(c-z)/2;else cnt+=(c-z);
24         if(cnt>=0) puts("YES");
25         else puts("NO");
26     }
27     return 0;
28 }