CODE FESTIVAL 2016 Grand Final(Parallel)

Submission #1357229

Source codeソースコード

#include <iostream>
#include <unordered_map>

using namespace std;

long long n, a[100000 + 10], result = 0;
unordered_map<long long, long long> u;

void read() {
    cin >> n;
    for(int i = 0; i < n; i++) {
        cin >> a[i];
        result = result ^ a[i];
        u[a[i] ^ (a[i] - 1)] = 1;
    }
}

long long solve() {
    long long x  = 0;
    for(int i = 20; i >= 0; i--) {
        if(result & (1 << i)) {
            if(u.find((1 << (i + 1)) - 1) != u.end()) {
                x++;
                result = result ^ ((1 << (i + 1)) - 1);
            } else {
                return -1;
            }
        }
    }
    return x;
}

int main()
{
    read();
    cout << solve();
    return 0;
}

Submission

Task問題 C - Cheating Nim
User nameユーザ名 Viorel123
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 WA
Score得点 0
Source lengthソースコード長 741 Byte
File nameファイル名
Exec time実行時間 ms
Memory usageメモリ使用量 -

Test case

Set

Set name Score得点 / Max score Cases
Sample - example0.txt,example1.txt
All 0 / 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 45 ms 1024 KB
003.txt AC 15 ms 768 KB
004.txt AC 17 ms 640 KB
005.txt AC 13 ms 512 KB
006.txt WA
007.txt WA
008.txt WA
009.txt WA
010.txt WA
011.txt WA
012.txt WA
013.txt WA
014.txt WA
015.txt WA
016.txt AC 42 ms 1024 KB
017.txt AC 42 ms 1024 KB
018.txt WA
019.txt WA
020.txt AC 42 ms 1024 KB
021.txt AC 5 ms 256 KB
022.txt AC 5 ms 256 KB
023.txt WA
example0.txt AC 1 ms 256 KB
example1.txt AC 1 ms 256 KB