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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#184525#5414. Stop, Yesterday Please No More2197181078WA 5ms5656kbC++141.3kb2023-09-20 20:36:092023-09-20 20:36:09

Judging History

你现在查看的是最新测评结果

  • [2023-09-20 20:36:09]
  • 评测
  • 测评结果:WA
  • 用时:5ms
  • 内存:5656kb
  • [2023-09-20 20:36:09]
  • 提交

answer

#include<bits/stdc++.h> 
using namespace std;
#define int long long
int t,k,n,m;
string s;
const int N=1e3+10;
int f[N][N];
signed main()
{
	cin>>t;
	while(t--)
	{
		cin>>n>>m>>k;
		memset(f,0,sizeof(0));
		cin>>s;
		int h=n,w=m;
		int x=0,y=0;
		int X=1,Y=1;
		for(int i=0;i<s.length();i++)
		{
			if(s[i]=='U')
			{
				if(y>=0)h--;
				y++;
				if(X>1)X--;
			}
			if(s[i]=='D')
			{
				if(y<=0)h--;
				y--;
				X++;
			}
			if(s[i]=='L')
			{
				if(x<=0)w--;
				x--;
				if(Y>1)Y--;
			}
			if(s[i]=='R')
			{
				if(x>=0)w--;
				x++;
				Y++;				
			}									
		}
		if(h<=0||w<=0)
		{
			if(!k)cout<<n*m<<endl;
			else cout<<0<<endl;
			continue;
		}
		f[X][Y]++;f[X+h][Y+w]++;
		f[X][Y+w]--;f[X+h][Y]--;
		map<pair<int,int>,int>mp;
		mp[{X,Y}]=1;		
		for(int i=s.length()-1;i>=0;i--)
		{
			if(s[i]=='D')X--;
			if(s[i]=='U')X++;
			if(s[i]=='L')Y++;
			if(s[i]=='R')Y--;
			if(mp[{X,Y}])continue;
			mp[{X,Y}]=1;
			f[X][Y]++;f[X+h][Y+w]++;
			f[X][Y+w]--;f[X+h][Y]--;			
		}
		for(int i=1;i<=n;i++)
		{
			for(int j=1;j<=m;j++)
			{
				f[i][j]+=f[i-1][j]+f[i][j-1]-f[i-1][j-1];
			}
		}		
		int ans=0;
		for(int i=1;i<=n;i++)
		{
			for(int j=1;j<=m;j++)
			{
				if(f[i][j]+k==h*w)ans++;
			}
		}
		cout<<ans<<endl;
	}
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3620kb

input:

3
4 5 3
ULDDRR
4 5 0
UUUUUUU
4 5 10
UUUUUUU

output:

2
20
0

result:

ok 3 number(s): "2 20 0"

Test #2:

score: -100
Wrong Answer
time: 5ms
memory: 5656kb

input:

1060
19 12 0
UDLDDUUUUDDDLLRDUDUURULUUUDRDUDRDRLRLRLULULLLDLDDRLUUUURUUUDDRLLRUUUDULURUULLRDRLRDDURDUUURRRLURLRUULRRUDURDLUUURDLURDDLUUURDDRLLURRDLRUDLRDRLLRRDRDDLDRURRRLUDULLLRUUDLRRURRDLLRRRDLLRDDDLRLRURURDDDL
11 1 0
UR
3 18 33
UDRLR
17 11 132
RLDRDLDRUU
6 10 13
UULUDDLRDLUUDLDD
1 15 0
D
6 20 50
D...

output:

228
11
0
0
0
15
0
240
0
0
0
0
0
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
0
0
320
0
0
0
0
0
0
0
0
0
0
0
0
22
0
51
0
0
6
0
0
48
28
8
0
0
0
0
0
0
0
0
0
44
0
0
0
0
4
30
0
0
105
0
0
17
0
66
0
11
28
0
0
0
0
0
0
90
0
0
0
0
48
0
0
0
0
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
48
0
0
225
0
0
0
0
11
0
90
0
0
228
0
3...

result:

wrong answer 3rd numbers differ - expected: '20', found: '0'