QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #277997 | #6348. Egor Has a Problem | paul2008# | WA | 46ms | 9084kb | C++23 | 648b | 2023-12-07 10:33:33 | 2023-12-07 10:33:35 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
long long a[500005];
int main()
{
int n;
scanf("%d",&n);
for(int i=1;i<=n;i++)
scanf("%lld",&a[i]);
if(n<=100)
{
for(int i=1;i<=n;i++)
for(int j=i+1;j<=n;j++)
for(int k=j+1;k<=n;k++)
for(int p=k+1;p<=n;p++)
if(a[p]/a[k]==a[j]/a[i])
{
printf("YES\n");
printf("%d %d %d %d\n",i,j,k,p);
return 0;
}
printf("NO\n");
return 0;
}
vector <int> pos;
for(int i=2;i<=n;i++)
if(a[i]/a[i-1]==1)
pos.push_back(i);
printf("YES\n");
printf("%d %d %d %d\n",pos[0]-1,pos[0],pos[1]-1,pos[1]);
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3672kb
input:
6 2 6 11 21 47 120
output:
YES 1 3 4 6
result:
ok OK
Test #2:
score: 0
Accepted
time: 1ms
memory: 3608kb
input:
5 1 2 6 30 210
output:
NO
result:
ok OK
Test #3:
score: 0
Accepted
time: 0ms
memory: 3668kb
input:
4 7 13 77 143
output:
YES 1 2 3 4
result:
ok OK
Test #4:
score: 0
Accepted
time: 1ms
memory: 3664kb
input:
4 10 29 31 100
output:
NO
result:
ok OK
Test #5:
score: -100
Wrong Answer
time: 46ms
memory: 9084kb
input:
500000 627045176858 4817409059014 6288122580263 11138485427254 14292718094002 14799874839768 16926890883539 17617152313162 17645472255619 18208915248631 22963632241827 24466999302606 25551903318615 26091633648017 38200644379849 39885775205129 40036378248650 40309675851194 40773414900416 408933438176...
output:
YES 2 3 3 4
result:
wrong answer 4 indices should be in increasing order