-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy path20550.cpp
More file actions
58 lines (49 loc) · 1.21 KB
/
20550.cpp
File metadata and controls
58 lines (49 loc) · 1.21 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
// coded by Cocane
#include<bits/stdc++.h>
#define ll long long
#define forn(i, n) for(int i = 0; i < n; i++)
#define for1(i, n) for(int i = 1; i <= n; i++)
#define foru(i, n) for(int i = n-1; i >= 0; i--)
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
#define allp(x) (x).begin(), (x).begin() + (x).size()/2, (x).rbegin()
#define pb push_back
#define ppb pop_back
#define read(a) for(auto &i: a) cin >> i
#define out(ans) cout<<ans<<endl
#define yn(a) cout<< (a ? "YES": "NO") <<endl
using namespace std;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef double dl;
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
int t;
cin>>t;
while(t--){
int n, a,b;
cin>>n>>a>>b;
int gap = abs(a - b)-1;
if(n % 2 == 0){
if(a == b - 1 || a == b +1){
cout<<"NO"<<endl;
} else if(gap % 2 == 0){
cout<<"NO"<<endl;
}else if(gap % 2 == 1){
cout<<"YES"<<endl;
}
}
if(n % 2 == 1){
if(a == b - 1 || a == b +1){
cout<<"NO"<<endl;
} else if(gap % 2 == 0){
cout<<"NO"<<endl;
}else if(gap % 2 == 1){
cout<<"YES"<<endl;
}
}
}
return 0;
}