QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#179001#3097. Shoppingznstz#1 11ms5860kbC++203.9kb2023-09-14 16:31:052024-07-04 01:59:49

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 1
Accepted

Test #1:

score: 1
Accepted
time: 11ms
memory: 3940kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #2:

score: 1
Accepted
time: 9ms
memory: 4192kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #3:

score: 1
Accepted
time: 9ms
memory: 3976kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #4:

score: 1
Accepted
time: 8ms
memory: 3940kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #5:

score: 1
Accepted
time: 11ms
memory: 3940kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #6:

score: 1
Accepted
time: 9ms
memory: 3920kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
1
1
1
1
0
1
0
1
0
0
1
0
1
0
0
1
1
0
0
1
0
0
0
0
1
1
1
0
0
0
0
1
1
1
0
0
1
1
1
1
1
0
1
1
0
0
0
0
0
0
0
1
1
1
0
1
0
1
1
1
1
1
0
0
0
0
0
0
1
1
0
0
0
1
0
0
1
1
1
0
1
1
0
1
0
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
0
1
0
1
1
0
1
1
0
1
0
1
0
0...

input:


output:

Accepted: 18 8361

result:

ok 

Test #7:

score: 1
Accepted
time: 4ms
memory: 3812kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
0
1
1
0
0
0
1
1
1
0
1
0
1
0
1
1
0
0
1
0
1
1
0
0
1
1
1
0
0
0
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
1
1
0
1
0
1
1
0
0
0
0
0
0
1
0
1
0
1
0
1
0
0
0
1
1
0
0
1
1
1
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
0
1
0
0
1
1
0
1
1
0
0
1
1
0
1
0
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #8:

score: 1
Accepted
time: 6ms
memory: 3860kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
1
0
1
0
1
0
0
0
1
1
1
0
0
0
1
1
1
1
0
0
0
1
1
1
1
1
0
0
0
1
0
1
1
1
1
0
1
1
0
0
0
0
0
1
0
0
0
0
1
0
1
1
1
0
1
1
0
1
1
0
1
0
1
0
1
1
0
0
1
0
0
0
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
1
1
0
1
1
0
1
0
1
1
0
1
0
0
0
1
1
0
1
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #9:

score: 1
Accepted
time: 4ms
memory: 3816kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
0
1
0
0
0
0
0
1
1
0
1
0
1
0
0
1
1
1
0
0
1
1
0
0
1
1
1
1
0
0
0
1
1
1
0
1
1
0
1
1
1
0
0
0
0
1
0
1
0
0
1
1
1
1
0
0
1
1
0
0
0
1
0
1
1
0
1
1
0
0
0
1
1
0
0
1
0
1
1
1
0
1
0
1
1
1
1
0
0
0
1
1
0
1
0
0
1
0
0
1
1
0
0
1
0
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0...

input:


output:

Accepted: 18 8361

result:

ok 

Test #10:

score: 1
Accepted
time: 6ms
memory: 3856kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
0
0
0
1
1
0
1
1
0
1
0
1
1
1
0
1
0
0
0
1
0
0
1
0
1
1
0
1
1
1
0
0
0
1
0
1
0
0
0
0
0
1
1
0
1
1
1
0
0
0
0
1
0
1
0
1
1
0
0
0
0
0
1
1
0
1
1
1
1
0
1
1
1
0
0
0
1
0
1
1
1
0
0
0
0
1
1
0
1
0
1
0
1
1
1
0
0
0
1
1
0
0
1
1
1
1
0
1
1
0
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #11:

score: 1
Accepted
time: 3ms
memory: 3880kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
0
1
1
1
0
0
0
0
0
0
1
0
0
1
0
1
1
1
1
0
1
0
0
0
1
1
1
1
1
1
0
1
0
0
0
1
1
0
0
1
0
1
1
0
1
0
1
1
0
1
1
1
1
0
1
0
1
0
0
1
0
1
0
0
1
1
0
1
0
0
1
0
1
1
0
0
1
1
0
1
0
0
0
0
1
1
0
1
1
0
1
1
0
1
0
0
1
0
0
1
1
0
0
1
1
1
0
1
0
0
1
0
0
1
0...

input:


output:

Accepted: 18 8361

result:

ok 

Test #12:

score: 1
Accepted
time: 10ms
memory: 4148kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #13:

score: 1
Accepted
time: 7ms
memory: 3816kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0...

input:


output:

Accepted: 18 8361

result:

ok 

Test #14:

score: 1
Accepted
time: 4ms
memory: 3884kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
1
1
1
1
0
1
0
1
1
0
0
1
1
0
1
1
1
1
0
0
0
1
1
1
0
1
0
0
0
1
0
1
0
1
0
1
1
1
0
0
0
0
1
0
1
1
1
1
1
0
1
1
1
0
1
1
0
1
0
1
0
1
1
1
0
0
0
1
1
0
1
1
1
1
0
0
0
0
0
1
0
1
0
0
1
1
0
0
1
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
0
0
1
1
1
1
1
1
1
1
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #15:

score: 1
Accepted
time: 10ms
memory: 3820kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
1
1
1
1
0
1
0
1
1
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
0
0
0
1
0
1
1
1
0
0
0
0
1
1
1
0
0
1
1
0
0
0
0
1
1
0
1
1
1
0
1
1
1
0
0
0
1
1
0
1
0
1
0
0
1
1
0
0
1
0
1
1
0
0
0
0
0
1
0
0
1
1
1
1
0
0
1
1
0
1
0
1
1
1
0
1
1
1
0
0
0...

input:


output:

Accepted: 18 8361

result:

ok 

Test #16:

score: 1
Accepted
time: 9ms
memory: 3908kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
0
1
0
1
1
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
1
1
1
1
0
0
1
1
0
1
1
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
0
1
1
0
1
0...

input:


output:

Accepted: 18 8361

result:

ok 

Test #17:

score: 1
Accepted
time: 9ms
memory: 4176kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
1
1
1
1
0
0
1
1
0
1
1
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
0
1
1
0
1
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
0
0
1
1
1
1
0
0
1
1
0
1
1
0...

input:


output:

Accepted: 18 8361

result:

ok 

Test #18:

score: 1
Accepted
time: 4ms
memory: 3928kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
0
0
1
1
1
0
1
0
0
0
1
1
0
0
0
1
0
0
1
1
1
0
0
1
1
1
1
0
0
0
0
0
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
1
0
1
0
0
1
1
0
0
0
1
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
1
1
0
0
0
0
1
1
0
1
0
0
1
0
0
1
0
1
0
0
1
0
1
0
0
0
0
1
1
0
0
1
1
1
1
1
0
0
0
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #19:

score: 1
Accepted
time: 9ms
memory: 5860kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
1
0
0
0
0
1
1
0
0
1
0
1
1
0
0
1
1
0
1
0
1
0
0
0
0
0
1
0
1
1
1
1
0
0
0
0
0
1
1
1
1
1
0
0
1
1
0
0
1
1
0
0
0
1
1
1
1
1
0
0
0
1
1
1
1
1
1
0
1
1
1
1
0
0
0
1
0
1
0
1
1
0
1
1
0
1
1
0
1
1
0
0
1
1
1
0
0
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1...

input:


output:

Accepted: 18 8361

result:

ok 

Test #20:

score: 1
Accepted
time: 3ms
memory: 3928kb

input:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1

output:

-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
1
1
1
0
1
0
0
0
0
1
1
1
0
0
1
0
0
1
1
0
0
1
1
0
0
0
1
1
1
1
0
1
0
0
0
1
0
0
0
1
0
1
0
1
1
0
0
1
0
1
0
0
1
1
0
0
1
0
0
1
0
1
1
1
1
1
0
0
0
1
0
0
1
0
1
1
1
0
1
0
0
1
0
1
1
0
1
1
0
1
1
0
1
1
1
0
1
1
0
0
1
1
0
0
1
1
1
0
0...

input:


output:

Accepted: 18 8361

result:

ok 

Subtask #2:

score: 0
Interactor Runtime Error

Test #21:

score: 0
Interactor Runtime Error

input:

0
1
0
0
0
1
0
1
1
0
1
0
0
0
0
0
0
0
-1

output:

-1
1
0
1
0
0
1
0
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
0
1
0
1
0
0
1
1
0
0
1
1
1
0
0
0
0
1
0
1
0
1
1
1
0
0
1
1
1
1
1
0
1
1
1
0
1
0
0
1
0
0
0
1
0
0
1
0
0
1
1
1
1
0
1
0
0
1
0
0
1
0
1
1
1
0
0
0
1
0
1
0
1
1
0
1
1
0
0
0
0
1
0
1
0
1
1
0
1
0
1
0
0
1
1
0
0
0
0
1
1
1
1
0
1
1
1
0
1
0
0
1
1
0
0...

input:


output:


result:


Subtask #3:

score: 0
Interactor Runtime Error

Test #38:

score: 0
Interactor Runtime Error

input:

0
0
1
1
0
0
0
0
1
1
0
1
0
0
1
1
1
0
-1

output:

-1
1
1
1
1
1
0
0
1
0
0
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
1
1
0
1
0
0
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
1
1
0
1
0
1
0
0
0
1
0
0
0
1
1
0
1
1
1
0
1
0
0
0
1
1
1
0
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
0
0
0
0
0
0
1
1
0
1
0
0
0
1
1
1
1
0
0
0
1
0
1
1
0
0
1
1
0
0
0
0
1
1
1
0
1
0
0
1
1
0...

input:


output:


result: