QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #129217 | #1171. Integer Array Shuffle | likeblg | WA | 1ms | 5520kb | C++14 | 375b | 2023-07-22 07:41:03 | 2023-07-22 07:41:03 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int const N=3e5+10;
int n,flag,sum;
int a[N],lg[N];
int main(){
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
if(!flag){
if(a[i]<a[i-1]){
sum++;
flag=1;
}
}
else{
if(a[i]>a[i-1])flag=0;
}
}
lg[0]=-1;
lg[1]=0;
for(int i=2;i<=n;i++)lg[i]=lg[i/2]+1;
cout<<lg[sum]+1;
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3408kb
input:
3 2 2 5
output:
0
result:
ok 1 number(s): "0"
Test #2:
score: 0
Accepted
time: 1ms
memory: 5520kb
input:
6 1 5 8 10 3 2
output:
1
result:
ok 1 number(s): "1"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3472kb
input:
8 14253630 18210471 431833031 681754868 791250850 811241570 837112104 858531105
output:
0
result:
ok 1 number(s): "0"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3464kb
input:
3 2 2 5
output:
0
result:
ok 1 number(s): "0"
Test #5:
score: -100
Wrong Answer
time: 1ms
memory: 3396kb
input:
7 4 2 4 2 5 3 4
output:
2
result:
wrong answer 1st numbers differ - expected: '3', found: '2'