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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#281542#5414. Stop, Yesterday Please No MorePZhengWA 6ms3808kbC++141.3kb2023-12-10 11:46:472023-12-10 11:46:47

Judging History

你现在查看的是最新测评结果

  • [2023-12-10 11:46:47]
  • 评测
  • 测评结果:WA
  • 用时:6ms
  • 内存:3808kb
  • [2023-12-10 11:46:47]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
void solve()
{
	int n,m,k;
	cin>>n>>m>>k;
	int a[2*n+10][2*m+10];
	for(int i = 0; i < 2 * n + 10; i++) {
		for(int j = 0; j < 2 * m + 10; j++) {
			a[i][j]	= 1;
		}
	}
	string s;
	cin>>s;
	int x=n+5,y=m+5,lnow=1,rnow=m,unow=n,dnow=1,l=1,r=m,u=n,d=1;
	a[n+5][m+5]=0;
	for(int i=0;i<s.size();i++){
		char c=s[i];
		if(c=='U'){
			x--;
			unow--;
			dnow--;
		}
		if(c=='D'){
			x++;
			unow++;
			dnow++;
		}
		if(c=='L'){
			y--;
			lnow--;
			rnow--;
		}
		if(c=='R'){
			y++;
			lnow++;
			rnow++;
		}
		l=max(l,lnow);
		d=max(d,dnow);
		r=min(rnow,r);
		u=min(unow,u);
		if(x>=0&&y>=0&&x<2*n+10&&y<2*m+10){
			a[x][y]=0;
		}
	}
	int cnt=0;
	if(l>r||u<d){
		if(k==0){
			cout<<m*n<<endl;
		}
		else{
			cout<<0<<endl;
		}
		return;
	}
	for(int i=1;i<2*n+10;i++){
		for(int j=1;j<2*m+10;j++){
			//cout<<a[i][j]<<' ';
			a[i][j]+=a[i][j-1]+a[i-1][j]-a[i-1][j-1];
		}
		//cout<<endl;
	}
	for(int i=0;i<=n;i++){
		for(int j=0;j<=m;j++){
			int x=n+5-i,y=m+5-j;
			//cout<<a[x+u][y+r]-a[x+d-1][y+r]-a[x+u][y+l-1]+a[x+d-1][y+l-1]<<' ';
			if(a[x+u][y+r]-a[x+d-1][y+r]-a[x+u][y+l-1]+a[x+d-1][y+l-1]==k){
				cnt++;
			}
		}
		//cout<<endl;
	}
	cout<<cnt<<endl;
}
int main()
{
	int t;
	cin>>t;
	while(t--){
		solve();
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3564kb

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: 6ms
memory: 3808kb

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
20
99
18
15
34
240
15
0
0
13
14
18
26
16
15
19
108
8
2
2
3
30
10
30
16
21
0
8
10
9
15
5
320
11
7
3
0
0
12
0
11
0
0
14
0
22
36
51
23
7
6
4
2
48
28
8
63
22
49
13
10
4
108
10
18
44
0
15
9
0
4
30
14
99
105
10
14
17
0
66
10
11
28
52
34
56
33
14
56
90
14
0
121
3
48
30
36
13
0
30
7
8
3
11
16
45
20
3...

result:

wrong answer 17th numbers differ - expected: '1', found: '15'