CODE FESTIVAL 2016 Grand Final
Submission #4118798
Source codeソースコード
#include<bits/stdc++.h>
#define rint register int
#define rep(i,a,b) for (rint i=(a),_E=(b); i<=_E; ++i)
#define per(i,a,b) for (rint i=(a),_E=(b); i>=_E; --i)
#define REP(i,n) for (rint i=0,_E=(n); i<_E; ++i)
#define pb push_back
#define cmin(x,y) (y<x?x=y:0)
#define cmax(x,y) (y>x?x=y:0)
using namespace std;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef long long ll;
const int N = 100005;
int c[32], x, n, res, cnt, ans;
int main() {
scanf("%d", &n);
rep (i, 1, n) {
scanf("%d", &x);
res ^= x;
cnt = 0;
while (x && (x % 2 == 0))
x >>= 1, ++ cnt;
c[cnt] = 1;
}
per (i, 30, 0)
if (res >> i & 1) {
res ^= (1 << (i + 1)) - 1;
++ ans;
if (!c[i]) return puts("-1"), 0;
}
printf("%d\n", ans);
return 0;
}
Submission
| Task問題 |
C - Cheating Nim |
| User nameユーザ名 |
deathaxe |
| Created time投稿日時 |
|
| Language言語 |
C++14 (GCC 5.4.1) |
| Status状態 |
AC |
| Score得点 |
500
|
| Source lengthソースコード長 |
785 Byte |
| File nameファイル名 |
|
| Exec time実行時間 |
15 ms |
| Memory usageメモリ使用量 |
256 KB |
Compiler messageコンパイルメッセージ
./Main.cpp: In function ‘int main()’:
./Main.cpp:18:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n);
^
./Main.cpp:20:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &x);
^
Test case
Set
| Set name |
Score得点 / Max score |
Cases |
| Sample |
- |
example0.txt,example1.txt |
| All |
500 / 500 |
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 |
Test case
| Case name |
Status状態 |
Exec time実行時間 |
Memory usageメモリ使用量 |
| 000.txt |
AC |
1 ms |
256 KB |
| 001.txt |
AC |
1 ms |
256 KB |
| 002.txt |
AC |
14 ms |
256 KB |
| 003.txt |
AC |
7 ms |
256 KB |
| 004.txt |
AC |
6 ms |
256 KB |
| 005.txt |
AC |
5 ms |
256 KB |
| 006.txt |
AC |
15 ms |
256 KB |
| 007.txt |
AC |
15 ms |
256 KB |
| 008.txt |
AC |
15 ms |
256 KB |
| 009.txt |
AC |
15 ms |
256 KB |
| 010.txt |
AC |
15 ms |
256 KB |
| 011.txt |
AC |
15 ms |
256 KB |
| 012.txt |
AC |
15 ms |
256 KB |
| 013.txt |
AC |
15 ms |
256 KB |
| 014.txt |
AC |
15 ms |
256 KB |
| 015.txt |
AC |
15 ms |
256 KB |
| 016.txt |
AC |
15 ms |
256 KB |
| 017.txt |
AC |
15 ms |
256 KB |
| 018.txt |
AC |
15 ms |
256 KB |
| 019.txt |
AC |
15 ms |
256 KB |
| 020.txt |
AC |
15 ms |
256 KB |
| 021.txt |
AC |
2 ms |
256 KB |
| 022.txt |
AC |
2 ms |
256 KB |
| 023.txt |
AC |
15 ms |
256 KB |
| example0.txt |
AC |
1 ms |
256 KB |
| example1.txt |
AC |
1 ms |
256 KB |