Submission #180107

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Source Code Expand

#include<iostream>
#include<iomanip>
#include<cstdio>
#include<vector>
#include<algorithm>
#include<functional>
#include<string>
#include<cstdlib>
#include<cmath>
#include<map>
#include<set>
#include<list>
#include<utility>
#include<cstring>
#include<queue>
#include<stack>
#include<climits>
using namespace std;

#define rrepp(i, from, to) for (int i = (from); i <= (to); ++i)
#define rrep(i, from, to) for (int i = (from); i < (to); ++i)
#define repp(i, from, to) for (i = (from); i <= (to); ++i)
#define rep(i, from, to) for (i = (from); i < (to); ++i)


int main()
{
	int n;
	cin >> n;
	vector<int> a(n);
	// 偶数->奇数枚
	// 奇数->偶数枚
	// s k s k s k s k s k s k
	// s k d s k d s k d s k d
	// o x o x x x o x o x x x
	int res[10] = { 0, 0, 1, 0, 1, 2, 3, 0, 1, 0 };
	int result = 0;
	rrep (i, 0, n) {
		cin >> a[i];
		result += res[a[i]];
	}
	cout << result << "\n";
	return 0;
}

Submission Info

Judge Result