AtCoder Regular Contest 068

Submission #4025478

Source codeソースコード

#include <iostream>
#include <stdio.h>
#include <cstring>
#include <cstdio>
#include <math.h>
#include <algorithm>
#include <vector>
#include <string>
#include <stdlib.h>
#include <queue>
#include <stack>
#include <utility>
#include <fstream>
#include <random>
#include <map>
#include <unordered_map>
#include <cstdlib>
#include <functional>
#include <random>
#include <time.h>
#include <chrono>
#include <sstream>
#include <iomanip>
#define rep(i,n) for(int i=0;i<n;i++)
#define rrep(i,n) for(int i=n-1;i>=0;i--)
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define ll long long
#define INF 1000000001
#define mod 1000000007
#define sort(s) sort(s.begin(), s.end());
#define reverse(s) reverse(s.begin(), s.end());
int dx[4] = { 0,1,0,-1 };
int dy[4] = { 1,0,-1,0 };
using namespace std;
int POW(int x, int y) { return int(pow(double(x), double(y))); }
double log(double a, double b) { return log(b) / log(a); }

unsigned int randxor()
{
	static unsigned int x = 123456789, y = 362436069, z = 521288629, w = 88675123;
	unsigned int t;
	t = (x ^ (x << 11)); x = y; y = z; z = w; return(w = (w ^ (w >> 19)) ^ (t ^ (t >> 8)));
}



int main() {
	int n;
	cin >> n;
	vector<int> a(n);
	rep(i, n) {
		cin >> a[i];
	}
	sort(a);
	int c=0;
	int x;
	vector<int> b;
	rep(i, n) {
		if (i == 0) {
			x = a[i];
			c++;
		}
		else {
			if (x == a[i]) {
				c++;
			}
			else {
				if (c > 1) {
					rep(j, c - 1) {
						b.push_back(x);
					}
				}

				c = 1;
				x = a[i];
			}
		}
	}
	if (c > 1) {
		rep(j, c - 1) {
			b.push_back(x);
		}
	}
	int bs = b.size();
	if (bs == 0) {
		cout << n << endl;
		return 0;
	}
	if (bs % 2 == 1) {
		cout << n - bs - 1 << endl;
	}
	else {
		cout << n - bs << endl;
	}
}


Submission

Task問題 D - Card Eater
User nameユーザ名 IHa
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 400
Source lengthソースコード長 1790 Byte
File nameファイル名
Exec time実行時間 37 ms
Memory usageメモリ使用量 1276 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - 00_example_01.txt,00_example_02.txt
All 400 / 400 00_example_01.txt,00_example_02.txt,01.txt,02.txt,03.txt,04.txt,05.txt,06.txt,07.txt,08.txt,09.txt,10.txt,11.txt,12.txt,13.txt,14.txt,15.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_example_01.txt AC 1 ms 256 KB
00_example_02.txt AC 1 ms 256 KB
01.txt AC 1 ms 256 KB
02.txt AC 3 ms 384 KB
03.txt AC 1 ms 256 KB
04.txt AC 2 ms 256 KB
05.txt AC 1 ms 256 KB
06.txt AC 33 ms 1276 KB
07.txt AC 33 ms 1276 KB
08.txt AC 37 ms 1276 KB
09.txt AC 33 ms 1276 KB
10.txt AC 33 ms 1276 KB
11.txt AC 36 ms 1276 KB
12.txt AC 33 ms 1276 KB
13.txt AC 35 ms 1276 KB
14.txt AC 31 ms 640 KB
15.txt AC 31 ms 1276 KB