Submission #3103852
Source Code Expand
#include <bits/stdc++.h> #define rep(i,n)for(int i=0;i<(n);i++) using namespace std; int main(){ int n;scanf("%d",&n); vector<int>v; int x=0; rep(i,n){ int a;scanf("%d",&a); v.push_back(a^(a-1)); x^=a; } sort(v.begin(),v.end(),greater<>()); int cnt=0; for(int i:v){ if(x>(x^i)){ cnt++; x^=i; } } if(x)puts("-1"); else cout<<cnt<<endl; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | autumn_eel |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 387 Byte |
Status | AC |
Exec Time | 16 ms |
Memory | 892 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:6:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int n;scanf("%d",&n); ^ ./Main.cpp:10:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int a;scanf("%d",&a); ^
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 | 1 ms | 256 KB |
001.txt | AC | 1 ms | 256 KB |
002.txt | AC | 14 ms | 892 KB |
003.txt | AC | 8 ms | 640 KB |
004.txt | AC | 7 ms | 640 KB |
005.txt | AC | 5 ms | 512 KB |
006.txt | AC | 16 ms | 892 KB |
007.txt | AC | 16 ms | 892 KB |
008.txt | AC | 16 ms | 892 KB |
009.txt | AC | 16 ms | 892 KB |
010.txt | AC | 16 ms | 892 KB |
011.txt | AC | 16 ms | 892 KB |
012.txt | AC | 16 ms | 892 KB |
013.txt | AC | 16 ms | 892 KB |
014.txt | AC | 16 ms | 892 KB |
015.txt | AC | 16 ms | 892 KB |
016.txt | AC | 16 ms | 892 KB |
017.txt | AC | 16 ms | 892 KB |
018.txt | AC | 16 ms | 892 KB |
019.txt | AC | 16 ms | 892 KB |
020.txt | AC | 16 ms | 892 KB |
021.txt | AC | 2 ms | 384 KB |
022.txt | AC | 2 ms | 384 KB |
023.txt | AC | 14 ms | 892 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |