Submission #1013535
Source Code Expand
#include <bits/stdc++.h> typedef long long ll; using namespace std; const int N = 100000; int n, a[N]; bool cmp(int a, int b) { return (a & -a) > (b & -b); } int main() { scanf("%d", &n); for (int i = 0; i < n; ++i) scanf("%d", a + i); sort(a, a + n, cmp); int Xor = 0, ans = 0; for (int i = 0; i < n; ++i) Xor ^= a[i]; for (int i = 0; i < n; ++i) if (Xor & (a[i] & -a[i])) Xor ^= 2 * (a[i] & -a[i]) - 1, ++ans; printf("%d", Xor == 0 ? ans : -1); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | IbraheemTuffaha |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 499 Byte |
Status | AC |
Exec Time | 21 ms |
Memory | 640 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:10:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ ./Main.cpp:12:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", a + i); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
Set Name | Test Cases |
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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 | 3 ms | 256 KB |
001.txt | AC | 3 ms | 256 KB |
002.txt | AC | 20 ms | 640 KB |
003.txt | AC | 11 ms | 512 KB |
004.txt | AC | 10 ms | 384 KB |
005.txt | AC | 8 ms | 384 KB |
006.txt | AC | 21 ms | 640 KB |
007.txt | AC | 21 ms | 640 KB |
008.txt | AC | 21 ms | 640 KB |
009.txt | AC | 21 ms | 640 KB |
010.txt | AC | 21 ms | 640 KB |
011.txt | AC | 21 ms | 640 KB |
012.txt | AC | 21 ms | 640 KB |
013.txt | AC | 21 ms | 640 KB |
014.txt | AC | 21 ms | 640 KB |
015.txt | AC | 21 ms | 640 KB |
016.txt | AC | 21 ms | 640 KB |
017.txt | AC | 21 ms | 640 KB |
018.txt | AC | 21 ms | 640 KB |
019.txt | AC | 21 ms | 640 KB |
020.txt | AC | 21 ms | 640 KB |
021.txt | AC | 4 ms | 256 KB |
022.txt | AC | 4 ms | 256 KB |
023.txt | AC | 19 ms | 640 KB |
example0.txt | AC | 3 ms | 256 KB |
example1.txt | AC | 3 ms | 256 KB |