QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#190480#5414. Stop, Yesterday Please No Moretybbs#AC ✓104ms21636kbC++141.8kb2023-09-28 22:50:202023-09-28 22:50:20

Judging History

你现在查看的是最新测评结果

  • [2023-09-28 22:50:20]
  • 评测
  • 测评结果:AC
  • 用时:104ms
  • 内存:21636kb
  • [2023-09-28 22:50:20]
  • 提交

answer

#include<bits/stdc++.h>
#define mp make_pair
using namespace std;
void solve(){
	int n,m,k;cin>>n>>m>>k;
	vector<vector<int> > d1(n+3),d2(n+3),sum(n+3);
	map<pair<int,int>,bool> ck;
	for(int i=0;i<=n+1;i++){
		d1[i].resize(m+3);
		d2[i].resize(m+3);
		sum[i].resize(m+3);
	}
	string s;cin>>s;
	int x1=1,y1=1,x2=n,y2=m;
	int dx=0,dy=0;
	for(int i=0;i<(int)s.size();i++){
		if(s[i]=='U'){
			x1--,x2--;
			x1=max(x1,1),x2=max(x2,0);
		}
		if(s[i]=='D'){
			x1++,x2++;
			x1=min(x1,n+1),x2=min(x2,n);
		}
		if(s[i]=='R'){
			y1++,y2++;
			y1=min(y1,m+1),y2=min(y2,m);
		}
		if(s[i]=='L'){
			y1--,y2--;
			y1=max(y1,1),y2=max(y2,0);
		}
	}
	for(int i=0;i<(int)s.size();i++){
		if(s[i]=='U'){
			x1++,x2++;
		}
		if(s[i]=='D'){
			x1--,x2--;
		}
		if(s[i]=='R'){
			y1--,y2--;
		}
		if(s[i]=='L'){
			y1++,y2++;
		}
	}	
	for(int i=0;i<=(int)s.size();i++){
		if(!ck[mp(dx,dy)] && x1<=x2 && y1<=y2){
			ck[mp(dx,dy)]=1;
			d1[x1][y1]++,d1[x1][y2+1]--;
			d1[x2+1][y1]--,d1[x2+1][y2+1]++;
		}
		if(i==(int)s.size()) continue;
		if(s[i]=='U'){
			dx--;
			x1--,x2--;
			x1=max(x1,1),x2=max(x2,0);
		}
		if(s[i]=='D'){
			dx++;
			x1++,x2++;
			x1=min(x1,n+1),x2=min(x2,n);
		}
		if(s[i]=='R'){
			dy++;
			y1++,y2++;
			y1=min(y1,m+1),y2=min(y2,m);
		}
		if(s[i]=='L'){
			dy--;
			y1--,y2--;
			y1=max(y1,1),y2=max(y2,0);
		}
	}
	int rem=(x2-x1+1)*(y2-y1+1);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			d2[i][j]=d2[i][j-1]+d1[i][j];
		}
	}
	int cnt=0;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			sum[i][j]=sum[i-1][j]+d2[i][j];
			if(sum[i][j]+k==rem){
				cnt++;
			}
		}
	}
	cout<<cnt<<"\n";
}
int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int t;cin>>t;
	while(t--){
		solve();
	}	
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3484kb

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: 0
Accepted
time: 8ms
memory: 3672kb

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
1
19
108
8
2
2
3
7
0
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
34
0...

result:

ok 1060 numbers

Test #3:

score: 0
Accepted
time: 3ms
memory: 15388kb

input:

1
1000 1000 979065
DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU

output:

958416

result:

ok 1 number(s): "958416"

Test #4:

score: 0
Accepted
time: 0ms
memory: 15380kb

input:

1
1000 1000 943471
LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...

output:

889224

result:

ok 1 number(s): "889224"

Test #5:

score: 0
Accepted
time: 104ms
memory: 21636kb

input:

1
1000 1000 315808
LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...

output:

426

result:

ok 1 number(s): "426"

Test #6:

score: 0
Accepted
time: 3ms
memory: 15420kb

input:

1
1000 1000 986018
LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD

output:

972180

result:

ok 1 number(s): "972180"

Test #7:

score: 0
Accepted
time: 7ms
memory: 15376kb

input:

1
1000 1000 945431
DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...

output:

893000

result:

ok 1 number(s): "893000"

Test #8:

score: 0
Accepted
time: 91ms
memory: 18700kb

input:

1
1000 1000 460035
RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...

output:

417

result:

ok 1 number(s): "417"

Test #9:

score: 0
Accepted
time: 0ms
memory: 15384kb

input:

1
1000 1000 992010
LLLLLDLDRRLUDRR

output:

1999

result:

ok 1 number(s): "1999"

Test #10:

score: 0
Accepted
time: 6ms
memory: 15448kb

input:

1
1000 1000 919600
LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...

output:

944

result:

ok 1 number(s): "944"

Test #11:

score: 0
Accepted
time: 77ms
memory: 16352kb

input:

1
1000 1000 804351
DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...

output:

640000

result:

ok 1 number(s): "640000"