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52 lines (49 loc) · 1.32 KB
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Copy path2202D.cpp
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52 lines (49 loc) · 1.32 KB
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#include <bits/stdc++.h>
using namespace std;
template<typename T>
void _debug(const char* name, T&& value) {
cerr << name << " = " << value << endl;
}
template<typename T, typename... Args>
void _debug(const char* names, T&& value, Args&&... args) {
const char* comma = strchr(names, ',');
cerr.write(names, comma - names) << " = " << value << " | ";
_debug(comma + 1, args...);
}
#define debug(...) _debug(#__VA_ARGS__, __VA_ARGS__)
#define ll long long
#define REP(i,n) for(int i=0; i<n; i++)
#define RREP(i,n) for(int i=n-1; i>=0; i--)
#define mod 1000000007
void solve() {
int n, k;
cin >> n >> k;
if(k<n || k>(n+ceil((double)n/2))){
cout << "NO\n";
// debug(n+ceil((double)n/2));
}
else{
cout << "YES\n";
int shift = k-n;
int end = 1;
if(shift >= 1) end++;
if(shift >= 2){
end++;
end += (shift-2)*2;
}
// debug(end, n);
for(int i = 1; i <= end; i++) cout << i << " ";
for(int i = 1; i <= end; i++) cout << i << " ";
for(int i = end+1; i <= n; i++) cout << i << " " << i << " ";
cout << "\n";
}
}
int main() {
// ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
ll test = 1;
cin >> test;
while(test--) {
solve();
}
return 0;
}