Submission #2654633

Source Code Expand

n = int(input())
xs = list(map(int, input().split()))
 
ans = 0
sums = xs[0]
xors = xs[0]
i, j = 0, 0

while True:
  if xors == sums:
    ans += j - i + 1
    j += 1
    if j >= n: break
    sums += xs[j]
    xors ^= xs[j]
  else:
    sums -= xs[i]
    xors ^= xs[i]
    i += 1
    
print(ans)

Submission Info

Submission Time
Task D - Xor Sum 2
User zehnpaard
Language Python (3.4.3)
Score 500
Code Size 313 Byte
Status AC
Exec Time 256 ms
Memory 24840 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 3
AC × 38
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_18.txt, subtask_1_19.txt, subtask_1_20.txt, subtask_1_21.txt, subtask_1_22.txt, subtask_1_23.txt, subtask_1_24.txt, subtask_1_25.txt, subtask_1_26.txt, subtask_1_27.txt, subtask_1_28.txt, subtask_1_29.txt, subtask_1_30.txt, subtask_1_31.txt, subtask_1_32.txt
Case Name Status Exec Time Memory
sample_01.txt AC 17 ms 2936 KB
sample_02.txt AC 17 ms 3064 KB
sample_03.txt AC 17 ms 2940 KB
subtask_1_01.txt AC 17 ms 3060 KB
subtask_1_02.txt AC 17 ms 3060 KB
subtask_1_03.txt AC 137 ms 6324 KB
subtask_1_04.txt AC 22 ms 3064 KB
subtask_1_05.txt AC 144 ms 13580 KB
subtask_1_06.txt AC 101 ms 10408 KB
subtask_1_07.txt AC 22 ms 3316 KB
subtask_1_08.txt AC 109 ms 8680 KB
subtask_1_09.txt AC 162 ms 10124 KB
subtask_1_10.txt AC 179 ms 14760 KB
subtask_1_11.txt AC 200 ms 14392 KB
subtask_1_12.txt AC 236 ms 19268 KB
subtask_1_13.txt AC 62 ms 4100 KB
subtask_1_14.txt AC 52 ms 3880 KB
subtask_1_15.txt AC 94 ms 4400 KB
subtask_1_16.txt AC 20 ms 3064 KB
subtask_1_17.txt AC 157 ms 6236 KB
subtask_1_18.txt AC 226 ms 6488 KB
subtask_1_19.txt AC 253 ms 22744 KB
subtask_1_20.txt AC 256 ms 24840 KB
subtask_1_21.txt AC 256 ms 16520 KB
subtask_1_22.txt AC 248 ms 17872 KB
subtask_1_23.txt AC 239 ms 14552 KB
subtask_1_24.txt AC 251 ms 19368 KB
subtask_1_25.txt AC 249 ms 17560 KB
subtask_1_26.txt AC 237 ms 21748 KB
subtask_1_27.txt AC 164 ms 7148 KB
subtask_1_28.txt AC 168 ms 7148 KB
subtask_1_29.txt AC 204 ms 7148 KB
subtask_1_30.txt AC 222 ms 7148 KB
subtask_1_31.txt AC 249 ms 7276 KB
subtask_1_32.txt AC 243 ms 7148 KB