Submission #844741


Source Code Expand

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#include <bits/stdc++.h>

using namespace std;
#define mp make_pair
#define pb push_back
#define forn(i, n) for (int i = 0; i < (int)(n); ++i)
typedef long long LL;
typedef pair<int, int> PII;

int n;
int a[100005];
LL ans = 0;

int main() {
    scanf("%d", &n);
    forn(i, n) scanf("%d", a + i);
    forn(i, n - 1) if (a[i] % 2 == 1 && a[i + 1]) {
        --a[i];
        --a[i + 1];
        ++ans;
    }
    forn(i, n) ans += a[i] / 2;
    cout << ans << endl;
    return 0;
}

Submission Info

Submission Time
Task B - Simplified mahjong
User HellKitsune
Language C++14 (GCC 5.4.1)
Score 400
Code Size 505 Byte
Status AC
Exec Time 28 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:16:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     forn(i, n) scanf("%d", a + i);
                                  ^

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 26 ms 640 KB
02.txt AC 26 ms 640 KB
03.txt AC 26 ms 640 KB
04.txt AC 23 ms 640 KB
05.txt AC 23 ms 640 KB
06.txt AC 23 ms 640 KB
07.txt AC 25 ms 640 KB
08.txt AC 28 ms 640 KB
09.txt AC 26 ms 640 KB
10.txt AC 26 ms 640 KB
11.txt AC 17 ms 640 KB
12.txt AC 27 ms 640 KB
13.txt AC 26 ms 640 KB
14.txt AC 26 ms 640 KB
15.txt AC 19 ms 640 KB
16.txt AC 27 ms 640 KB
17.txt AC 26 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