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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#494526 | #9156. 百万富翁 | syxsyx# | 100 ✓ | 2030ms | 104788kb | C++14 | 1.7kb | 2024-07-27 16:03:17 | 2024-07-27 16:03:21 |
Judging History
answer
#include "richest.h"
#include<bits/stdc++.h>
using namespace std;
const int N=1000005,M=1005;
int lim[20]={0,500000,250000,125000,62496,20832,3472,183,1};
vector <int> qx,qy,qres;
int cnt[N];
int work1()
{
qx.clear();qy.clear();qres.clear();
int n=1000;
for(int i=1;i<=n;i++)
for(int j=i+1;j<=n;j++) qx.push_back(i-1),qy.push_back(j-1);
qres=ask(qx,qy);
for(int i=0;i<n;i++) cnt[i]=0;
for(int i=0;i<qres.size();i++) cnt[qres[i]]++;
for(int i=0;i<n;i++) if(cnt[i]==n-1) return i;
}
int a[N],pos[N];
void upd(int l,int r)
{
for(int i=l;i<=r;i++)
for(int j=i+1;j<=r;j++) qx.push_back(a[i]),qy.push_back(a[j]);
}
int getmx(int l,int r)
{
for(int i=l;i<=r;i++) if(cnt[a[i]]==r-l) return a[i];
}
int solve(vector <int> hav,int dep)
{
int n=hav.size();
if(n==1) return hav[0];
for(int i=1;i<=n;i++) a[i]=hav[i-1];
vector <int> nxt;
int m=lim[dep];
// cerr<<n<<' '<<m<<'\n';
int B=n/m,les=n%m;
qx.clear();qy.clear();qres.clear();
for(int i=0;i<hav.size();i++) cnt[hav[i]]=0;
int now=1;
for(int i=1;i<=les;i++) upd(now,now+B),now+=B+1;
for(int i=les+1;i<=m;i++) upd(now,now+B-1),now+=B;
qres=ask(qx,qy);
for(int i=0;i<qres.size();i++) cnt[qres[i]]++;
now=1;
for(int i=1;i<=les;i++) nxt.push_back(getmx(now,now+B)),now+=B+1;
for(int i=les+1;i<=m;i++) nxt.push_back(getmx(now,now+B-1)),now+=B;
return solve(nxt,dep+1);
}
int work2()
{
int n=1000000;
vector <int> hav;
for(int i=1;i<=n;i++) hav.push_back(i-1);
return solve(hav,1);
}
int richest(int N,int T,int S)
{
if(N==1000) return work1();
if(N==1000000) return work2();
}
Details
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Pretests
Pretest #1:
score: 15
Accepted
time: 618ms
memory: 26276kb
input:
1000 1 499500 957319859
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Pretest #2:
score: 85
Accepted
time: 2026ms
memory: 104616kb
input:
1000000 20 2000000 29091473
output:
Correct Case 2, 85 / 85, maxt = 8, maxs = 1099944 7610580723948932399 1.000000 1331569654267968081
result:
points 1.0 Correct Case 2, 85 / 85, maxt = 8, maxs = 1099944
Final Tests
Test #1:
score: 15
Accepted
time: 622ms
memory: 24512kb
input:
1000 1 499500 957319857
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Test #2:
score: 85
Accepted
time: 2030ms
memory: 104788kb
input:
1000000 20 2000000 29091471
output:
Correct Case 2, 85 / 85, maxt = 8, maxs = 1099944 7610580723948932399 1.000000 1331569654267968081
result:
points 1.0 Correct Case 2, 85 / 85, maxt = 8, maxs = 1099944