Submission #845420
Source Code Expand
#include<cstdio>
#include<cstring>
#include<cmath>
#include<set>
#include<map>
#include<queue>
#include<vector>
#include<algorithm>
#include<iostream>
#include<string>
#include<assert.h>
#include<sstream>
using namespace std;
#define pb push_back
#define mp make_pair
#define sz(x) ((int)(x).size())
#define rep(i,l,r) for(int i=(l);i<(r);++i)
typedef long long ll;
typedef pair<int, int> pii;
const ll LINF = 1e18 + 7;
const int N = 1e5 + 7;
const int INF = 1e9 + 7;
const int MOD = 21092013;
const double EPS = 1e-8;
//-------------head-------------
int n, a[N];
int main() {
ll ans = 0;
scanf("%d", &n);
rep(i, 1, n + 1)
{
scanf("%d", &a[i]);
int x = min(a[i - 1], a[i]);
ans += x;
a[i - 1] -= x, a[i] -= x;
}
rep(i, 1, n + 1)
ans += a[i] >> 1;
printf("%lld", ans);
return 0;
}
Submission Info
Submission Time |
|
Task |
B - Simplified mahjong |
User |
mcginn |
Language |
C++14 (GCC 5.4.1) |
Score |
0 |
Code Size |
840 Byte |
Status |
WA |
Exec Time |
28 ms |
Memory |
640 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:29:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n);
^
./Main.cpp:32:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &a[i]);
^
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
0 / 400 |
Status |
|
|
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 |
WA |
26 ms |
640 KB |
02.txt |
WA |
25 ms |
640 KB |
03.txt |
WA |
26 ms |
640 KB |
04.txt |
WA |
22 ms |
640 KB |
05.txt |
WA |
22 ms |
640 KB |
06.txt |
WA |
22 ms |
640 KB |
07.txt |
WA |
24 ms |
640 KB |
08.txt |
WA |
24 ms |
640 KB |
09.txt |
WA |
25 ms |
640 KB |
10.txt |
WA |
26 ms |
640 KB |
11.txt |
AC |
18 ms |
640 KB |
12.txt |
AC |
28 ms |
640 KB |
13.txt |
AC |
25 ms |
640 KB |
14.txt |
AC |
25 ms |
640 KB |
15.txt |
AC |
18 ms |
640 KB |
16.txt |
WA |
26 ms |
640 KB |
17.txt |
WA |
25 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 |