Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll, ll> P;
typedef vector<ll> V;
typedef complex<double> Point;

#define PI acos(-1.0)
#define EPS 1e-10
const ll INF = 1e16;
const ll MOD = 1e9 + 7;

#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define rep(i,N) for(int i=0;i<(N);i++)
#define ALL(s) (s).begin(),(s).end()
#define EQ(a,b) (abs((a)-(b))<EPS)
#define EQV(a,b) ( EQ((a).real(), (b).real()) && EQ((a).imag(), (b).imag()) )
#define fi first
#define se second
#define N_SIZE (1LL << 20)
#define NIL -1

ll h,w,n;
ll sy,sx;
string s,t;

int main(){
	cin >> h >> w >> n >> sy >> sx >> s >> t;
	bool f = true;
	reverse(ALL(s));
	reverse(ALL(t));
	ll lb = 0,ub = w+1;
	ll l = 0,r = 0;
	rep(i,n){
		if(t[i] == 'R'){
			r++;
			r = min(w - sx,r);
		}
		else if(t[i] == 'L'){
			l++;
			l = min(sx - 1,l);
		}
		if(s[i] == 'R'){
			ub--;
			if(ub == sx){
				ll nub = min(w+1,ub+l);
				l -= (nub - ub);
				ub = nub;
				if(l <= 0)f = false;
			} 
		}
		else if(s[i] == 'L'){
			lb++;
			if(lb == sx){
				ll nlb = max(0,lb-r);
				r -= (lb - nlb);
				lb = nlb;
				if(r <= 0)f = false;
			} 
		}
	}
	lb = 0,ub = h+1;
	l = 0,r = 0;
	rep(i,n){
		if(t[i] == 'U'){
			r++;
			r = min(w - sx,r);
		}
		else if(t[i] == 'D'){
			l++;
			l = min(sx - 1,l);
		}
		if(s[i] == 'U'){
			ub--;
			if(ub == sx){
				ll nub = min(h+1,ub+l);
				l -= (nub - ub);
				ub = nub;
				if(l <= 0)f = false;
			} 
		}
		else if(s[i] == 'D'){
			lb++;
			if(lb == sx){
				ll nlb = max(0,lb-r);
				r -= (lb - nlb);
				lb = nlb;
				if(r <= 0)f = false;
			} 
		}
	}
	if(f)cout << "YES" << endl;
	else cout << "NO" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:58:45: error: no matching function for call to 'max(int, ll)'
   58 |                                 ll nlb = max(0,lb-r);
      |                                          ~~~^~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:58:45: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   58 |                                 ll nlb = max(0,lb-r);
      |                                          ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:58:45: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   58 |                                 ll nlb = max(0,lb-r);
      |                                          ~~~^~~~~~~~
a.cc:88:45: error: no matching function for call to 'max(int, ll)'
   88 |                                 ll nlb = max(0,lb-r);
      |                                          ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:88:45: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   88 |                                 ll nlb = max(0,lb-r);
      |                                          ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:88:45: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   88 |                                 ll nlb = max(0,lb-r);
      |                                          ~~~^~~~~~~~