Submission #1307645

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Source Code Expand

//#define LOCAL

#include <fstream>
#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <map>
#include <queue>
#include <cstring>

#define int long long
//typedef long long ll;
#define rep(i,n) for(int i=0; i<n; i++)

using namespace std;

signed main()
{
#ifdef LOCAL
    ifstream in("input.txt");
    cin.rdbuf(in.rdbuf());
#endif

    int sx, sy, tx, ty;
    cin >> sx >> sy >> tx >> ty;

    rep(i,ty-sy) cout << 'U';
    rep(i,tx-sx) cout << 'R';
    rep(i,ty-sy) cout << 'D';
    rep(i,tx-sx) cout << 'L';
    cout << 'L';
    rep(i,ty-sy+1) cout << 'U';
    rep(i,tx-sx+1) cout <<'R';
    cout << 'D';
    cout << 'R';
    rep(i,ty-sy+1) cout << 'D';
    rep(i,tx-sx+1) cout << 'L';
    cout << 'U' << endl;
}

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