Submission #65503209

---

Source Code Expand

#include <bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<(n);i++)
using namespace std;
using namespace atcoder;
#define all(a) a.begin(),a.end()
#define compress(a) sort(all(a));a.erase(unique(all(a)),a.end())
typedef long long ll;
typedef modint998244353 mi;
typedef pair<ll,ll> P;
constexpr ll mod=998244353;
constexpr ll inf=3e18;

void solve(){
	ll h,w;
	cin>>h>>w;
	string s;
	cin>>s;
	ll ld=h-1,lr=w-1,rd=h-1,rr=w-1;
	ll cd=0,cr=0;
	rep(i,s.size()){
		if(s[i]=='D')cd++;
		if(s[i]=='R')cr++;
	}
	ll ans=1;
	rep(i,s.size()){
		if(s[i]=='D'){
			ld--;
			rd--;
			cd--;
		}
		else if(s[i]=='R'){
			lr--;
			rr--;
			cr--;
		}
		else{
			ld--;
			rr--;
		}
		if(ld<cd){
			ld++;
			lr--;
		}
		if(rr<cr){
			rr++;
			rd--;
		}
		ans+=rd-ld+1;
	}
	cout<<ans<<endl;
}

int main(){
	int t;
	cin>>t;
	rep(T,t){
		solve();
	}	
}

Submission Info

Compile Error

Main.cpp: In function ‘void solve()’:
Main.cpp:3:31: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    3 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                               ^
Main.cpp:21:9: note: in expansion of macro ‘rep’
   21 |         rep(i,s.size()){
      |         ^~~
Main.cpp:3:31: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    3 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                               ^
Main.cpp:26:9: note: in expansion of macro ‘rep’
   26 |         rep(i,s.size()){
      |         ^~~

Judge Result