Submission #1985052

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Source Code Expand

#include <bits/stdc++.h>
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define FORR(i,a,b) for (int i=(a);i>=(b);i--)
#define pb push_back
#define pcnt __builtin_popcount
#define show(x) cout<<#x<<" = "<<x<<endl;
#define maxs(x,y) x = max(x,y)
#define mins(x,y) x = min(x,y)
#define fi first
#define se second
#define rng(a) (a.begin()),(a.end())
#define each(it,c) for(__typeof((c).begin()) it=(c).begin();it!=(c).end();it++)
#define sz(x) (int)(x).size()
#define mp make_pair

using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vpii;
typedef set<int> si;
typedef pair<ll,ll> pll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<pll> vpll;
typedef set<ll> sl;
typedef __int128_t lll;
typedef pair<lll,lll> plll;
typedef vector<lll> vlll;
template<typename T>string join(vector<T>&v)
{stringstream s;FOR(i,0,sz(v))s<<' '<<v[i];return s.str().substr(1);}
ll gcd(ll a,ll b){if(a>b)swap(a,b);for(;a>0;b%=a,swap(a,b));return b;}
int modpow(ll a,ll n,int m){if(a==0)return a;ll p=1;for(;n>0;n/=2,a=a*a%m)if(n&1)p=p*a%m;return(int)p;}
void dout(double d){printf("%.12f\n",d);}

const int iinf = 1e9;
const ll linf = 1e18;
const int mod = 1e9+7;
const double pi = acos(-1);
const double eps = 1e-10;
int sx, sy, gx, gy;

main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  cin >> sx >> sy >> gx >> gy;
  gx -= sx;
  gy -= sy;
  FOR(i, 0, gy)cout << "U";
  FOR(i, 0, gx)cout << "R";
  FOR(i, 0, gy)cout << "D";
  FOR(i, 0, gx)cout << "L";
  cout << "L";
  FOR(i, 0, gy+1)cout << "U";
  FOR(i, 0, gx+1)cout << "R";
  cout << "D";
  cout << "R";
  FOR(i, 0, gy+1)cout << "D";
  FOR(i, 0, gx+1)cout << "L";
  cout << "U" << endl;
  return 0;
}

Submission Info

Judge Result