SHOW:
|
|
- or go back to the newest paste.
| 1 | #include<bits/stdc++.h> | |
| 2 | using namespace std; | |
| 3 | ||
| 4 | int main() | |
| 5 | {
| |
| 6 | int a,b,c,n,t,j,k,x; | |
| 7 | while(cin>>t) | |
| 8 | {
| |
| 9 | for(int i=0; i<t; i++) | |
| 10 | {
| |
| 11 | cin>>a>>b>>c>>n; | |
| 12 | if(a>b) | |
| 13 | {
| |
| 14 | if(a>c) | |
| 15 | {
| |
| 16 | j=a-b; | |
| 17 | k=a-c; | |
| 18 | x=n-(j+k); | |
| 19 | - | if(x%3==0) |
| 19 | + | if(n>=(j+k) && x%3==0) |
| 20 | {
| |
| 21 | cout<<"YES"<<endl; | |
| 22 | } | |
| 23 | else | |
| 24 | {
| |
| 25 | cout<<"NO"<<endl; | |
| 26 | } | |
| 27 | } | |
| 28 | else | |
| 29 | {
| |
| 30 | j=c-a; | |
| 31 | k=c-b; | |
| 32 | x=n-(j+k); | |
| 33 | - | if(x%3==0) |
| 33 | + | if(n>=(j+k) && x%3==0) |
| 34 | {
| |
| 35 | cout<<"YES"<<endl; | |
| 36 | } | |
| 37 | else | |
| 38 | {
| |
| 39 | cout<<"NO"<<endl; | |
| 40 | } | |
| 41 | } | |
| 42 | } | |
| 43 | else | |
| 44 | {
| |
| 45 | if(b>c) | |
| 46 | {
| |
| 47 | j=b-a; | |
| 48 | k=b-c; | |
| 49 | x=n-(j+k); | |
| 50 | - | if(x%3==0) |
| 50 | + | if(n>=(j+k) && x%3==0) |
| 51 | {
| |
| 52 | cout<<"YES"<<endl; | |
| 53 | } | |
| 54 | else | |
| 55 | {
| |
| 56 | cout<<"NO"<<endl; | |
| 57 | } | |
| 58 | } | |
| 59 | else | |
| 60 | {
| |
| 61 | j=c-b; | |
| 62 | k=c-a; | |
| 63 | x=n-(j+k); | |
| 64 | - | if(x%3==0) |
| 64 | + | if(n>=(j+k) && x%3==0) |
| 65 | {
| |
| 66 | cout<<"YES"<<endl; | |
| 67 | } | |
| 68 | else | |
| 69 | {
| |
| 70 | cout<<"NO"<<endl; | |
| 71 | } | |
| 72 | } | |
| 73 | } | |
| 74 | } | |
| 75 | } | |
| 76 | } |
