Submission #844568


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#include <bits/stdc++.h>

using namespace std;

typedef pair<int, int> PII;
typedef long long ll;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define pct __builtin_popcount

#define N 100010
int n, a[N]; ll S;

int main () {
	cin >> n;
	for (int i = 0; i < n; i ++) cin >> a[i];
	int la = 0;
	for (int i = 0; i < n; i ++) {
		if (la > 0 && a[i] > 0) {
			la --;
			a[i] --;
			S ++;
		}
		S += a[i]/2;
		a[i] %= 2;
		la = a[i];
	}
	cout << S << endl;
	return 0;
}

Submission Info

Submission Time
Task B - Simplified mahjong
User sevenkplus
Language C++14 (GCC 5.4.1)
Score 400
Code Size 529 Byte
Status AC
Exec Time 90 ms
Memory 640 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 83 ms 640 KB
02.txt AC 88 ms 640 KB
03.txt AC 82 ms 640 KB
04.txt AC 63 ms 640 KB
05.txt AC 64 ms 640 KB
06.txt AC 68 ms 640 KB
07.txt AC 78 ms 640 KB
08.txt AC 86 ms 640 KB
09.txt AC 87 ms 640 KB
10.txt AC 83 ms 640 KB
11.txt AC 43 ms 640 KB
12.txt AC 90 ms 640 KB
13.txt AC 88 ms 640 KB
14.txt AC 85 ms 640 KB
15.txt AC 42 ms 640 KB
16.txt AC 83 ms 640 KB
17.txt AC 82 ms 640 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