ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#213952 | #2380. 中位数 | stawalr | 30 | 3ms | 1256kb | C++11 | 1.2kb | 2024-11-14 19:51:43 | 2024-11-14 23:04:02 |
answer
#include<bits/stdc++.h>
using namespace std;
const int mn=3e5+5;
int n,a[mn];
priority_queue<int> q1;
priority_queue<int,vector<int>,greater<int> > q2;
map<int,int> mp;
int main()
{
scanf("%d",&n);
for(int i=1;i<=n;i++)
{
scanf("%d",&a[i]);
}
// q2.push(1);
// q2.push(2);
// cerr<<q2.top();
for(int k=1;k<=n;k++)
{
while(!q1.empty())q1.pop();
while(!q2.empty())q2.pop();
for(int i=k;i<=n;i++)
{
q1.push(a[i]);
if(q1.size()>q2.size()+1)
{
q2.push(q1.top());
q1.pop();
// q1.push(q2.top());
// q2.pop();
}
while(!q2.empty() && q1.top()>q2.top())
{
q2.push(q1.top());
q1.pop();
q1.push(q2.top());
q2.pop();
}
mp[q1.top()]++;
}
}
int tmp=(n*(n+1)/2+1)/2;
for(auto i:mp)
{
tmp-=i.second;
if(tmp<=0)
{
printf("%d",i.first);
return 0;
}
}
// cerr<<"fin";
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 3ms
memory: 1256kb
input:
200 247837946 222748444 549404903 934970141 181690491 116150147 755881953 912914845 578004877 589768...
output:
411892743
result:
ok 1 number(s): "411892743"
Test #2:
score: 10
Accepted
time: 0ms
memory: 1256kb
input:
200 504553675 321343511 781936447 172776833 779139954 643752948 106 164 303976944 828799931 11502170...
output:
451369372
result:
ok 1 number(s): "451369372"
Test #3:
score: 10
Accepted
time: 0ms
memory: 1256kb
input:
200 738368650 91602659 340556191 835209882 409442204 656938221 258295858 90658347 126689369 56196859...
output:
420852999
result:
ok 1 number(s): "420852999"
Test #4:
score: 0
Time Limit Exceeded
input:
5000 300051244 685920750 122806687 315801142 33592358 339985437 262520930 380010194 687330910 550362...
output:
result:
Test #5:
score: 0
Time Limit Exceeded
input:
5000 108135249 950186870 146626753 682580494 744412491 4159 995071655 157947560 668940645 878891308 ...
output:
result:
Test #6:
score: 0
Time Limit Exceeded
input:
5000 246610103 780664789 678774940 716124165 518453378 300121008 135383319 939869983 430946660 13412...
output:
result:
Test #7:
score: 0
Time Limit Exceeded
input:
300000 786856547 380253059 684225515 795392038 881780483 18437791 793783577 832330260 801624996 3466...
output:
result:
Test #8:
score: 0
Time Limit Exceeded
input:
300000 951000485 930070933 3566360 157114366 150196488 611226665 123590886 950624066 472150346 57976...
output:
result:
Test #9:
score: 0
Time Limit Exceeded
input:
300000 728509094 406128756 696166390 756254976 31403187 672131182 35544213 870708756 3659210 5227553...
output:
result:
Test #10:
score: 0
Time Limit Exceeded
input:
300000 804874490 52247250 546638789 400214210 383796618 47995083 814777769 507157584 466189162 28296...