Submission #1051018
Source Code Expand
#include<stdio.h> int n, a, C[30], r; int main(){ int i, t, c; scanf("%d",&n); for(i=1;i<=n;i++){ scanf("%d",&a); r ^= a; t = (a&-a); c=0; while(t){ t>>=1; c++; } C[c]++; } c = 0; for(i=30;i>=0;i--){ if((r>>i)&1){ c++; if(!C[i+1]){ printf("-1\n"); return 0; } r ^= (1<<(i+1))-1; } } printf("%d\n",c); }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | ainta |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 538 Byte |
Status | AC |
Exec Time | 14 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:5:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ ./Main.cpp:7:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] 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 | 128 KB |
001.txt | AC | 1 ms | 128 KB |
002.txt | AC | 14 ms | 128 KB |
003.txt | AC | 7 ms | 128 KB |
004.txt | AC | 6 ms | 128 KB |
005.txt | AC | 5 ms | 128 KB |
006.txt | AC | 14 ms | 128 KB |
007.txt | AC | 14 ms | 128 KB |
008.txt | AC | 14 ms | 128 KB |
009.txt | AC | 14 ms | 128 KB |
010.txt | AC | 14 ms | 128 KB |
011.txt | AC | 14 ms | 128 KB |
012.txt | AC | 14 ms | 128 KB |
013.txt | AC | 14 ms | 128 KB |
014.txt | AC | 14 ms | 128 KB |
015.txt | AC | 14 ms | 128 KB |
016.txt | AC | 14 ms | 128 KB |
017.txt | AC | 14 ms | 128 KB |
018.txt | AC | 14 ms | 128 KB |
019.txt | AC | 14 ms | 128 KB |
020.txt | AC | 14 ms | 128 KB |
021.txt | AC | 2 ms | 128 KB |
022.txt | AC | 3 ms | 128 KB |
023.txt | AC | 14 ms | 128 KB |
example0.txt | AC | 1 ms | 128 KB |
example1.txt | AC | 1 ms | 128 KB |