Submission #6706991


Source Code Expand

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#include<bits/stdc++.h>
#define N 505
#define Ms(a,b) memset(a,b,sizeof a)
#define db(x) cout<<#x<<"="<<x<<endl;
#define db2(x,y) cout<<#x<<"="<<x<<" "<<#y<<"="<<y<<endl;
#define db3(x,y,z) cout<<#x<<"="<<x<<" "<<#y<<"="<<y<<" "<<#z<<"="<<z<<endl;
using namespace std;
int n,k,a[N],sum;
int t,ans=1,f[N],g[N];
bool cmp(int a,int b) {
	return a%t<b%t;
}
void solve(int x) {
	t=x;
	sort(a+1,a+1+n,cmp);
	for(int i=1; i<=n; i++)f[i]=a[i]%x+f[i-1];
	for(int i=n; i>=1; i--)g[i]=x-a[i]%x+g[i+1];
	for(int i=0; i<=n; i++) {
		if(max(f[i],g[i+1])<=k)ans=max(ans,x);
	}
}
int main() {
	scanf("%d%d",&n,&k);
	for(int i=1; i<=n; i++)scanf("%d",&a[i]),sum+=a[i];
	for(int i=1; 1ll*i*i<=sum; i++) {
		if(sum%i)continue;
		solve(i);
		if(i*i!=sum)solve(sum/i);
	}
	printf("%d\n",ans);
	return 0;
}

Submission Info

Submission Time
Task E - Max GCD
User Firezox
Language C++14 (GCC 5.4.1)
Score 0
Code Size 817 Byte
Status WA
Exec Time 56 ms
Memory 384 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:23:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
                     ^
./Main.cpp:24:52: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1; i<=n; i++)scanf("%d",&a[i]),sum+=a[i];
                                                    ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 4
AC × 30
WA × 54
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt, s4.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, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, 65.txt, 66.txt, 67.txt, 68.txt, 69.txt, 70.txt, 71.txt, 72.txt, 73.txt, 74.txt, 75.txt, 76.txt, 77.txt, 78.txt, 79.txt, 80.txt, s1.txt, s2.txt, s3.txt, s4.txt
Case Name Status Exec Time Memory
01.txt AC 1 ms 256 KB
02.txt AC 4 ms 256 KB
03.txt AC 1 ms 256 KB
04.txt AC 1 ms 256 KB
05.txt AC 1 ms 256 KB
06.txt AC 1 ms 256 KB
07.txt AC 1 ms 256 KB
08.txt AC 1 ms 256 KB
09.txt AC 1 ms 256 KB
10.txt AC 1 ms 256 KB
11.txt AC 1 ms 256 KB
12.txt AC 1 ms 256 KB
13.txt WA 3 ms 256 KB
14.txt WA 2 ms 256 KB
15.txt WA 2 ms 256 KB
16.txt WA 1 ms 256 KB
17.txt WA 3 ms 256 KB
18.txt WA 2 ms 256 KB
19.txt WA 1 ms 256 KB
20.txt WA 3 ms 256 KB
21.txt AC 10 ms 256 KB
22.txt WA 7 ms 256 KB
23.txt WA 4 ms 256 KB
24.txt WA 3 ms 256 KB
25.txt WA 4 ms 256 KB
26.txt WA 2 ms 256 KB
27.txt WA 2 ms 256 KB
28.txt WA 5 ms 256 KB
29.txt WA 4 ms 256 KB
30.txt WA 12 ms 256 KB
31.txt WA 4 ms 256 KB
32.txt WA 5 ms 256 KB
33.txt AC 6 ms 256 KB
34.txt WA 7 ms 256 KB
35.txt WA 1 ms 256 KB
36.txt WA 6 ms 256 KB
37.txt WA 9 ms 256 KB
38.txt WA 2 ms 256 KB
39.txt AC 3 ms 256 KB
40.txt WA 5 ms 256 KB
41.txt WA 7 ms 256 KB
42.txt AC 6 ms 256 KB
43.txt WA 2 ms 256 KB
44.txt WA 5 ms 256 KB
45.txt AC 1 ms 256 KB
46.txt AC 2 ms 256 KB
47.txt AC 2 ms 256 KB
48.txt WA 3 ms 256 KB
49.txt AC 2 ms 256 KB
50.txt WA 2 ms 256 KB
51.txt AC 2 ms 256 KB
52.txt AC 2 ms 256 KB
53.txt AC 3 ms 256 KB
54.txt AC 1 ms 256 KB
55.txt AC 2 ms 256 KB
56.txt WA 2 ms 256 KB
57.txt WA 4 ms 256 KB
58.txt WA 2 ms 256 KB
59.txt WA 2 ms 256 KB
60.txt WA 7 ms 384 KB
61.txt WA 2 ms 256 KB
62.txt WA 2 ms 256 KB
63.txt WA 3 ms 256 KB
64.txt WA 3 ms 256 KB
65.txt WA 2 ms 256 KB
66.txt AC 1 ms 256 KB
67.txt WA 2 ms 256 KB
68.txt WA 4 ms 256 KB
69.txt WA 3 ms 256 KB
70.txt WA 3 ms 256 KB
71.txt WA 2 ms 256 KB
72.txt WA 2 ms 256 KB
73.txt WA 2 ms 256 KB
74.txt WA 2 ms 256 KB
75.txt WA 2 ms 256 KB
76.txt WA 52 ms 256 KB
77.txt WA 56 ms 256 KB
78.txt WA 36 ms 256 KB
79.txt WA 54 ms 256 KB
80.txt WA 48 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 1 ms 256 KB
s4.txt AC 1 ms 256 KB