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QOJ

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
#798758	#9667. L-Covering Checker	jiangly (Lingyu Jiang)	AC ✓	11ms	5720kb	C++23	1.6kb	2024-12-04 16:47:32	2024-12-04 16:47:32

Judging History

This is the latest submission verdict.

[2024-12-04 16:47:32]
Judged

Verdict: AC
Time: 11ms
Memory: 5720kb

Show

[2024-12-04 16:47:32]
Submitted

answer

#include <bits/stdc++.h>

using i64 = long long;

void solve() {
    int n, m;
    std::cin >> n >> m;
    
    std::vector<std::string> s(n);
    for (int i = 0; i < n; i++) {
        std::cin >> s[i];
    }
    
    std::vector cnt(n, std::vector<std::array<int, 2>>(m));
    int ok = 1;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if ((s[i][j] == '.') != (i == 0 && j == m - 1)) {
                ok = 0;
            }
            if (s[i][j] != '.' && s[i][j] != 'C') {
                int x = i, y = j;
                int z = 0;
                if (s[i][j] == 'L') {
                    y--;
                } else if (s[i][j] == 'R') {
                    y++;
                } else if (s[i][j] == 'U') {
                    z = 1;
                    x--;
                } else {
                    z = 1;
                    x++;
                }
                if (0 <= x && x < n && 0 <= y && y < m && s[x][y] == 'C') {
                    cnt[x][y][z]++;
                } else {
                    ok = 0;
                }
            }
        }
    }
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if (s[i][j] == 'C' && (cnt[i][j][0] != 1 || cnt[i][j][1] != 1)) {
                ok = 0;
            }
        }
    }
    if (ok) {
        std::cout << "Yes\n";
    } else {
        std::cout << "No\n";
    }
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int t;
    std::cin >> t;
    
    while (t--) {
        solve();
    }
    
    return 0;
}

源文件, 语言: C++23

这程序好像有点Bug，我给组数据试试？

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 3872kb

input:

2
4 4
CLD.
UDCL
DCLD
CLRC
2 3
DRC
CLU

output:

Yes
No

result:

ok 2 lines

Test #2:

score: 0

Accepted

time: 5ms

memory: 3836kb

input:

100
47 81
UCRRRCR.CLURRCU.LLURDDRUDCC.DCUD.R.CURL.RURLC.LULLRDCDDDCC.CCUCLRLDLULULLUD.RL.R.
LC.UDUDCL.RRCLRRURDRDL.CRD.LDURRCRU.D..LCUD.UDRCCURDLDCD.DDUC..ULLLDDCLDCL..C.R.C
LLLLLULD.RLU.L.RURDLRCULCD.RCC..URD.LD.UCURDR.DUULUUD..LULR.RDURDDLRRRD.LCLLCD.D.
LUCR.RCR.RRCL..DRURU.CLLDRCUULULRULCU.RD.UDR...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No

result:

ok 100 lines

Test #3:

score: 0

Accepted

time: 0ms

memory: 3596kb

input:

100
10 10
D.D....D..
CLCLCLRCRC
CL..U.CL.U
UCL.RCU.D.
.UDRCUCLCL
..CLU.U.RC
.CL.CL.DDU
.UCLUDRCCL
D.U.RCDCLD
CL...RCURC
11 5
.CLCL
.U.U.
..RC.
DRCU.
CLU.D
.CLRC
DUDRC
CLCLU
D....
CLD.D
.RCRC
2 8
D.RCCLD.
CL.UURC.
7 10
.CL...CLCL
.U.D.DU.U.
.RCCLCL.RC
..UD.RCRCU
D.RCD.U.U.
CL.RCD.RC.
.....CL.U.
7 10
...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No

result:

ok 100 lines

Test #4:

score: 0

Accepted

time: 1ms

memory: 3572kb

input:

100
5 32
.DCL.DCLRC.RCDRC...CLD.CLCL.....
RCUDRCUCLU..UCLU.RCURC.U.UCL..CL
CL.CL..U.RC...D.RCU.D.D...U.CLU.
U.D.D.CL.DUD.RCCLUDRCDCL.DD.UD.D
.RC.CLU..CLCL..U..CL.CL.RCCLRCRC
8 41
.RCDRCRCRCD..CL.RCD.CL..CLCL.RCRC.RCCL.RC
RCUCLUDUDUCL.URC.UCLUDRCU.U...UDUD.UUCL.U
DUCL..CLCLD...DUCL..RC.UCL.RCD.CLCLD....

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No

result:

ok 100 lines

Test #5:

score: 0

Accepted

time: 4ms

memory: 3856kb

input:

100
92 77
.RC.RCCL.D.CLCLD......D.RC.RCRCCLD.CL.RCCLCL..D.D.RCCL.DCL.D.CLRCD.D.D.CLRCD.
..U..UUCLCLU.UDCL.CL.RCRCUD.U.UU.CLU.RCUUDURCRC.CLDUUDRCU..CLUCLUCLCLCLURCUCL
D.D.D.DUCLCL..CLD.U.CLCLURCCLD....CLCLU.DCL.UCL.DRCDRCDRC..CLDUCL.D..CL.DUD..
CLCLCLCLUDUDRC..CLCLU.U.D..URCCLDDU.U..RC.RC.U.RCRCCLRCD...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No

result:

ok 100 lines

Test #6:

score: 0

Accepted

time: 11ms

memory: 3924kb

input:

1059
2 2
RC
.U
5 2
D.
CL
CL
UD
RC
2 8
DRCDRCD.
CLUCLUCL
4 4
CLRC
URCU
RCUD
.URC
11 2
D.
CL
RC
DU
CL
RC
DU
CL
RC
DU
CL
5 5
CLRC.
URCUD
CLURC
UDDRC
RCCLU
14 2
RC
DU
CL
RC
DU
CL
RC
DU
CL
RC
DU
CL
RC
.U
4 7
CLDCLD.
URCUDCL
DRCDCLD
CLUCLRC
17 2
D.
CL
RC
DU
CL
RC
DU
CL
RC
DU
CL
RC
DU
CL
RC
DU
CL
20 2
D.
C...

output:

No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
No
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
No
No
No
Yes
Yes
...

result:

ok 1059 lines

Test #7:

score: 0

Accepted

time: 6ms

memory: 4116kb

input:

81
100 100
CLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLD.
URCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCURCUDCL
CLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLD...

output:

Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No
Yes
No
No
No
No
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
No
No
No
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
No
No
No
Yes
Yes
Yes
No
No
No
Yes
Yes

result:

ok 81 lines

Test #8:

score: 0

Accepted

time: 6ms

memory: 3764kb

input:

15
250 250
CLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLD.
URCURCURCURCURCURCURCURCURCURCURCURCUR...

output:

Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes

result:

ok 15 lines

Test #9:

score: 0

Accepted

time: 6ms

memory: 4108kb

input:

10
301 301
CLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCCLCLRCC...

output:

No
Yes
Yes
No
No
Yes
No
No
Yes
Yes

result:

ok 10 lines

Test #10:

score: 0

Accepted

time: 3ms

memory: 5720kb

input:

4
497 497
CLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCLDCL...

output:

No
Yes
No
Yes

result:

ok 4 lines

Extra Test:

score: 0

Extra Test Passed