Submission #2800818

Source Code Expand

from sys import stdin
n = int(stdin.readline())
a = map(int,stdin.readline().split(' '))
xs = 0
oc = 0
for x in a:
   xs ^= x >> 1
   oc ^= x & 1

if xs:
   print -1
else:
   print oc

Submission Info

Submission Time
Task C - Cheating Nim
User vjudge4
Language Python (2.7.6)
Score 0
Code Size 183 Byte
Status WA
Exec Time 11 ms
Memory 2568 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 1
WA × 1
AC × 11
WA × 15
Set Name Test Cases
Sample example0.txt, example1.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, example0.txt, example1.txt
Case Name Status Exec Time Memory
000.txt AC 10 ms 2568 KB
001.txt AC 10 ms 2568 KB
002.txt WA 10 ms 2568 KB
003.txt WA 10 ms 2568 KB
004.txt AC 10 ms 2568 KB
005.txt AC 10 ms 2568 KB
006.txt WA 10 ms 2568 KB
007.txt WA 10 ms 2568 KB
008.txt WA 10 ms 2568 KB
009.txt WA 11 ms 2568 KB
010.txt WA 10 ms 2568 KB
011.txt WA 10 ms 2568 KB
012.txt WA 11 ms 2568 KB
013.txt WA 10 ms 2568 KB
014.txt WA 10 ms 2568 KB
015.txt WA 10 ms 2568 KB
016.txt AC 10 ms 2568 KB
017.txt AC 11 ms 2568 KB
018.txt WA 10 ms 2568 KB
019.txt WA 11 ms 2568 KB
020.txt AC 11 ms 2568 KB
021.txt AC 10 ms 2568 KB
022.txt AC 10 ms 2568 KB
023.txt AC 10 ms 2568 KB
example0.txt WA 10 ms 2568 KB
example1.txt AC 11 ms 2568 KB