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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#723887#7695. Double UpdagworthAC ✓15ms10828kbPython31.5kb2024-11-08 02:35:262024-11-08 02:35:28

Judging History

你现在查看的是最新测评结果

  • [2024-11-08 02:35:28]
  • 评测
  • 测评结果:AC
  • 用时:15ms
  • 内存:10828kb
  • [2024-11-08 02:35:26]
  • 提交

answer

input()
arr = list(int(n) for n in input().split(" "))
biggest = max(arr)

def fix(): #just merges all the numbers that can be merged
    index = 0
    while index+1 < len(arr):
        if arr[index] == arr[index+1]:
            arr[index]*=2
            arr.pop(index+1)
            index-=2
        index+=1

fix()
num = 1
while num < biggest: #do all the even numbers until the biggest number
    fix()
    other = -1
    i = 0
    while i < len(arr):
        if arr[i] == num:
            if other == -1: #we found the left bound for the number
                other = i
            else: #we found the right bound
                  #if the numbers inside the bounds are bigger than double of the current number, that means that the numbers inside the bounds (which are all numbers bigger than the current number), then we are able to get rid of the current double. this is because if we were to keep the double, that means getting rid of the numbers bigger than them after they merge
                if i-other > 1: #if any number is in between these numbers, it would be a number greater or equal to 2*num which means we will delete the pair anyway
                    arr.pop(i)
                    arr.pop(other)
                    i-=2
                other = -1
        i+=1

    #if there is a single number that isnt the biggest, we can automatically say it isnt the biggest as it wouldnt be able to merge to something greater
    if other != -1:
        arr.pop(other)
    num*=2

print(arr[0])

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 10644kb

input:

5
4 2 2 1 8

output:

16

result:

ok single line: '16'

Test #2:

score: 0
Accepted
time: 0ms
memory: 10616kb

input:

1000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

output:

512

result:

ok single line: '512'

Test #3:

score: 0
Accepted
time: 9ms
memory: 10828kb

input:

1000
1267650600228229401496703205376 1267650600228229401496703205376 1267650600228229401496703205376 1267650600228229401496703205376 1267650600228229401496703205376 1267650600228229401496703205376 1267650600228229401496703205376 1267650600228229401496703205376 1267650600228229401496703205376 1267650...

output:

649037107316853453566312041152512

result:

ok single line: '649037107316853453566312041152512'

Test #4:

score: 0
Accepted
time: 14ms
memory: 10740kb

input:

1
1

output:

1

result:

ok single line: '1'

Test #5:

score: 0
Accepted
time: 14ms
memory: 10740kb

input:

1
2

output:

2

result:

ok single line: '2'

Test #6:

score: 0
Accepted
time: 12ms
memory: 10616kb

input:

1
4294967296

output:

4294967296

result:

ok single line: '4294967296'

Test #7:

score: 0
Accepted
time: 14ms
memory: 10572kb

input:

1
18446744073709551616

output:

18446744073709551616

result:

ok single line: '18446744073709551616'

Test #8:

score: 0
Accepted
time: 14ms
memory: 10644kb

input:

1
1267650600228229401496703205376

output:

1267650600228229401496703205376

result:

ok single line: '1267650600228229401496703205376'

Test #9:

score: 0
Accepted
time: 14ms
memory: 10612kb

input:

384
18014398509481984 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 72057594037927936 10737418...

output:

618970019642690137449562112

result:

ok single line: '618970019642690137449562112'

Test #10:

score: 0
Accepted
time: 11ms
memory: 10616kb

input:

430
36893488147419103232 128 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248 2251799813685248...

output:

158456325028528675187087900672

result:

ok single line: '158456325028528675187087900672'

Test #11:

score: 0
Accepted
time: 15ms
memory: 10628kb

input:

527
1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 1099511627776 10...

output:

158456325028528675187087900672

result:

ok single line: '158456325028528675187087900672'

Test #12:

score: 0
Accepted
time: 10ms
memory: 10652kb

input:

809
1073741824 77371252455336267181195264 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 20...

output:

19807040628566084398385987584

result:

ok single line: '19807040628566084398385987584'

Test #13:

score: 0
Accepted
time: 15ms
memory: 10652kb

input:

435
618970019642690137449562112 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 65536 128 128 128 128 128 128 128 128 128 128 128 128 128 ...

output:

316912650057057350374175801344

result:

ok single line: '316912650057057350374175801344'

Test #14:

score: 0
Accepted
time: 12ms
memory: 10812kb

input:

857
4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 4398046511104 43...

output:

1267650600228229401496703205376

result:

ok single line: '1267650600228229401496703205376'

Test #15:

score: 0
Accepted
time: 9ms
memory: 10772kb

input:

765
17592186044416 2417851639229258349412352 2417851639229258349412352 2417851639229258349412352 2417851639229258349412352 2417851639229258349412352 2417851639229258349412352 2417851639229258349412352 2417851639229258349412352 2417851639229258349412352 2417851639229258349412352 241785163922925834941...

output:

1237940039285380274899124224

result:

ok single line: '1237940039285380274899124224'

Test #16:

score: 0
Accepted
time: 11ms
memory: 10588kb

input:

122
2097152 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 18014398509481984 ...

output:

10141204801825835211973625643008

result:

ok single line: '10141204801825835211973625643008'

Test #17:

score: 0
Accepted
time: 15ms
memory: 10676kb

input:

491
8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 8192 562949953421312 9444732965739290427392 9444732965739290427392 9444732965739290427392 9444732965739290427392 9444732965739290427392 94447329657392904273...

output:

1267650600228229401496703205376

result:

ok single line: '1267650600228229401496703205376'

Test #18:

score: 0
Accepted
time: 15ms
memory: 10648kb

input:

164
549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 549755813888 5497558138...

output:

20282409603651670423947251286016

result:

ok single line: '20282409603651670423947251286016'