[Codeforces] Educational Round 105 (Rated for Div. 2) B. Berland Crossword

Educational Codeforces Round 105 (Rated for Div. 2) B. Berland Crossword

  • Time : O(1)
  • Space : O(1)
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#include <bits/stdc++.h>

#pragma optimization_level 3
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("Ofast")//Comment optimisations for interactive problems (use endl)
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")

struct PairHash {inline std::size_t operator()(const std::pair<int,int> & v) const {return v.first*31+v.second;}};

#define MAX_N 202020
#define INF 987654321
#define EPS 1e-9
#define ll long long
#define pll pair<ll, ll>
#define vpll vector<pll>
#define vall3 vector<array<ll,3>>
#define all3 array<ll,3>
#define all5 array<ll,5>
#define vall5 vector<all5>
#define vll vector<ll>
#define vi vector<int>
#define vs vector<string>
#define usll unordered_set<ll>
#define uspll unordered_set<pll, PairHash>
#define vvs vector<vs>
#define vvll vector<vll>
#define all(a) begin(a), end(a)
#define rall(a) rbegin(a), rend(a)

using namespace std;
string solve(ll n, ll U, ll R, ll D, ll L) {
for(ll m = 0; m < 16; m++) {
ll u = U, r = R, d = D, l = L;
if(m & 1) u -= 1, r -= 1;
if(m & 2) u -= 1, l -= 1;
if(m & 4) d -= 1, r -= 1;
if(m & 8) d -= 1, l -= 1;
if(min({u,l,d,r}) >= 0 and max({u,l,d,r}) <= n - 2) return "YES";
}
return "NO";
}

int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
ll tc = 1;
cin>>tc;
for(ll i = 1; i <= tc; i++) {
ll n,u,r,d,l;
cin>>n>>u>>r>>d>>l;
cout<<solve(n,u,r,d,l)<<endl;
}
return 0;
}
Author: Song Hayoung
Link: https://songhayoung.github.io/2022/06/17/PS/Codeforces/edu-div2-105-b/
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