Submission #3389187
Source Code Expand
N = int(input()) A = [int(input()) for i in range(N)] s = 0 L = [False]*44 for a in A: s ^= a c = 0 while a&1==0: c += 1 a >>= 1 L[c] = True if s==0: print(0) exit() ss = "0" + bin(s)[2:] ans = 0 for i in range(len(ss)-1): if ss[-1-i] != ss[-2-i]: if L[i]: ans += 1 else: print(-1) exit() print(ans)
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | nagiss |
Language | Python (3.4.3) |
Score | 500 |
Code Size | 422 Byte |
Status | AC |
Exec Time | 631 ms |
Memory | 7072 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
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 | 17 ms | 3064 KB |
001.txt | AC | 17 ms | 3064 KB |
002.txt | AC | 340 ms | 7072 KB |
003.txt | AC | 136 ms | 5020 KB |
004.txt | AC | 108 ms | 5016 KB |
005.txt | AC | 73 ms | 4256 KB |
006.txt | AC | 450 ms | 7068 KB |
007.txt | AC | 451 ms | 7072 KB |
008.txt | AC | 535 ms | 7068 KB |
009.txt | AC | 446 ms | 7072 KB |
010.txt | AC | 452 ms | 7072 KB |
011.txt | AC | 445 ms | 7072 KB |
012.txt | AC | 526 ms | 7072 KB |
013.txt | AC | 449 ms | 7068 KB |
014.txt | AC | 499 ms | 7072 KB |
015.txt | AC | 441 ms | 7072 KB |
016.txt | AC | 513 ms | 7068 KB |
017.txt | AC | 446 ms | 7072 KB |
018.txt | AC | 460 ms | 7064 KB |
019.txt | AC | 454 ms | 7068 KB |
020.txt | AC | 524 ms | 7068 KB |
021.txt | AC | 53 ms | 3316 KB |
022.txt | AC | 62 ms | 3316 KB |
023.txt | AC | 631 ms | 7068 KB |
example0.txt | AC | 17 ms | 3064 KB |
example1.txt | AC | 17 ms | 3064 KB |