Submission #844959


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#define _USE_MATH_DEFINES
#include <algorithm>
#include <cstdio>
#include <functional>
#include <iostream>
#include <cfloat>
#include <climits>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <time.h>
#include <vector>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> i_i;
typedef pair<ll, int> ll_i;
typedef pair<double, int> d_i;
typedef pair<ll, ll> ll_ll;
typedef pair<double, double> d_d;
struct edge { int u, v; ll w; };

ll MOD = 1000000007;
ll _MOD = 1000000009;
double EPS = 1e-10;

int main() {
	int N; cin >> N;
	vector<int> a(N);
	for (int& x : a) cin >> x;
	ll ans = 0;
	for (int& x: a) {
		if (x <= 10) continue;
		int y = 10 + x % 2;
		ans += (x - y) / 2;
		x = y;
	}
	vector<int> v;
	for (int i = 0; i < N; i++)
		while (a[i]--)
			v.push_back(i);
	int M = v.size();
	for (int i = 0; i + 1 < M;) {
		if (v[i + 1] - v[i] >= 2) i++;
		else {
			i += 2;
			ans++;
		}
	}
	cout << ans << endl;
}

Submission Info

Submission Time
Task B - Simplified mahjong
User sugim48
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1133 Byte
Status AC
Exec Time 106 ms
Memory 8940 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 2
AC × 24
Set Name Test Cases
Sample s1.txt, s2.txt
All 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, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt
Case Name Status Exec Time Memory
01.txt AC 106 ms 8940 KB
02.txt AC 102 ms 8940 KB
03.txt AC 102 ms 8940 KB
04.txt AC 73 ms 4848 KB
05.txt AC 72 ms 4848 KB
06.txt AC 70 ms 4848 KB
07.txt AC 86 ms 4848 KB
08.txt AC 85 ms 4848 KB
09.txt AC 105 ms 8940 KB
10.txt AC 94 ms 4848 KB
11.txt AC 33 ms 640 KB
12.txt AC 101 ms 4848 KB
13.txt AC 105 ms 8940 KB
14.txt AC 105 ms 8940 KB
15.txt AC 34 ms 1024 KB
16.txt AC 105 ms 8940 KB
17.txt AC 105 ms 8940 KB
18.txt AC 4 ms 256 KB
19.txt AC 4 ms 256 KB
20.txt AC 4 ms 256 KB
21.txt AC 4 ms 256 KB
22.txt AC 4 ms 256 KB
s1.txt AC 4 ms 256 KB
s2.txt AC 4 ms 256 KB