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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
#212392#5414. Stop, Yesterday Please No Moreveg#WA 4ms10084kbC++142.1kb2023-10-13 15:32:132023-10-13 15:32:15

Judging History

你现在查看的是最新测评结果

  • [2023-10-13 15:32:15]
  • 评测
  • 测评结果:WA
  • 用时:4ms
  • 内存:10084kb
  • [2023-10-13 15:32:13]
  • 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() {
//	freopen("1.in","r",stdin);
//	freopen("1.out","w",stdout);
	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;
			}
		}
		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;
					fl[i][j]=0;
				}
			}
		}
/*		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;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 7864kb

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: 4ms
memory: 10084kb

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
14
6
8
15
13
240
8
1
1
14
9
18
11
25
1
11
16
9
1
1
2
16
1
65
15
13
0
5
5
9
13
6
320
9
8
1
0
0
6
1
5
9
0
17
0
22
13
51
15
6
6
7
15
48
28
8
4
3
4
1
10
3
0
10
5
44
0
10
0
10
4
30
5
4
105
3
5
17
0
66
2
11
28
3
10
7
3
11
3
90
1
0
5
1
48
6
24
17
3
30
5
5
18
14
5
7
3
39
6
11
0
25
4
12
0
5
34
48
0
3
...

result:

wrong answer 3rd numbers differ - expected: '20', found: '14'