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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#212468#5414. Stop, Yesterday Please No Moreveg#AC ✓13ms18732kbC++142.1kb2023-10-13 16:14:312023-10-13 16:14:31

Judging History

你现在查看的是最新测评结果

  • [2023-10-13 16:14:31]
  • 评测
  • 测评结果:AC
  • 用时:13ms
  • 内存:18732kb
  • [2023-10-13 16:14:31]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

const int N=2005;
int n,m,k,b[N][N];
char s[1000005];
bool fl[N][N];

int main() {
	int T; scanf("%d",&T);
	while(T--) {
		scanf("%d%d%d%s",&n,&m,&k,s);
		for(int i=1;i<=n;++i) {
			for(int j=1;j<=m;++j) {
				b[i][j]=0;
			}
		}
		for(int i=1;i<=n+n;++i) {
			for(int j=1;j<=m+m;++j) {
				fl[i][j]=0;
			}
		}
		int len=strlen(s);
		int dx=0,dy=0;
		int mxX=0,mnX=0;
		int mxY=0,mnY=0;
		bool fll=0;
		fl[n][m]=1;
		for(int i=0;i<len;++i) {
			if(s[i]=='U') {
				--dy; 
			} else if(s[i]=='L') {
				--dx;
			} else if(s[i]=='R') {
				++dx;
			} else ++dy;
			if(dx==m||dx==-m||dy==n||dy==-n) {
				fll=1;
				break;
			}
			mxX=max(mxX,dx);
			mnX=min(mnX,dx);
			mxY=max(mxY,dy);
			mnY=min(mnY,dy);
			fl[n+dy][m+dx]=1;
		}
		if(fll==1) {
			printf("%d\n",k==0?n*m:0);
			continue;
		}
		int Lx=max(0,-mnX)+1,Rx=m-mxX;
		int Ly=max(0,-mnY)+1,Ry=n-mxY;
		if(Lx>Rx||Ly>Ry) {
			printf("%d\n",k==0?n*m:0);
			continue;
		}
//		printf("%d %d %d %d\n",Lx,Ly,Rx,Ry);
		for(int i=1;i<n+n;++i) {
			for(int j=1;j<m+m;++j) {
				if(fl[i][j]) {
					int u=i-n,v=j-m;
					int LLy=Ly+u,RRy=Ry+u;
					int LLx=Lx+v,RRx=Rx+v;
		/*			if(LLy>n||RRy<1||LLx>m||RRx<1) {
						continue;
					}
					LLy=min(max(LLy,1),n);
					RRy=min(max(RRy,1),n);
					LLx=min(max(LLx,1),m);
					RRx=min(max(RRx,1),m);*/
		//			printf("%d %d:\n",u,v);
		//			printf("%d %d %d %d\n",LLx,LLy,RRx,RRy);
					b[LLy][LLx]+=1;
					b[LLy][RRx+1]-=1;
					b[RRy+1][LLx]-=1;
					b[RRy+1][RRx+1]+=1;
				}
			}
		}
/*		for(int i=0;i<=n;++i) {
			for(int j=0;j<=m;++j) {
				printf("%d ",b[i][j]);
			}
			puts("");
		}*/
		for(int i=1;i<=n;++i) {
			for(int j=1;j<=m;++j) {
				b[i][j]=b[i][j]-b[i-1][j-1]+b[i-1][j]+b[i][j-1];
		//		printf("%d ",b[i][j]);
			}
		//	puts("");
		}
	///	printf("%d\n",b[3][4]);
		int res=(Ry-Ly+1)*(Rx-Lx+1);
	//	printf("%d\n",res);
		int ans=0;
		for(int i=1;i<=n;++i) {
			for(int j=1;j<=m;++j) {
				if(b[i][j]+k==res) {
					++ans;
				}
			}
		}
		printf("%d\n",ans);
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 7964kb

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: 4ms
memory: 8404kb

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: 5ms
memory: 16836kb

input:

1
1000 1000 979065
DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU

output:

958416

result:

ok 1 number(s): "958416"

Test #4:

score: 0
Accepted
time: 5ms
memory: 18732kb

input:

1
1000 1000 943471
LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...

output:

889224

result:

ok 1 number(s): "889224"

Test #5:

score: 0
Accepted
time: 9ms
memory: 17292kb

input:

1
1000 1000 315808
LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...

output:

426

result:

ok 1 number(s): "426"

Test #6:

score: 0
Accepted
time: 0ms
memory: 17132kb

input:

1
1000 1000 986018
LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD

output:

972180

result:

ok 1 number(s): "972180"

Test #7:

score: 0
Accepted
time: 0ms
memory: 18044kb

input:

1
1000 1000 945431
DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...

output:

893000

result:

ok 1 number(s): "893000"

Test #8:

score: 0
Accepted
time: 13ms
memory: 17364kb

input:

1
1000 1000 460035
RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...

output:

417

result:

ok 1 number(s): "417"

Test #9:

score: 0
Accepted
time: 0ms
memory: 17904kb

input:

1
1000 1000 992010
LLLLLDLDRRLUDRR

output:

1999

result:

ok 1 number(s): "1999"

Test #10:

score: 0
Accepted
time: 4ms
memory: 17816kb

input:

1
1000 1000 919600
LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...

output:

944

result:

ok 1 number(s): "944"

Test #11:

score: 0
Accepted
time: 8ms
memory: 17636kb

input:

1
1000 1000 804351
DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...

output:

640000

result:

ok 1 number(s): "640000"