QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#492418 | #9156. 百万富翁 | Dawnq# | 83 | 1873ms | 88572kb | C++14 | 3.4kb | 2024-07-26 12:08:05 | 2024-07-26 12:08:05 |
Judging History
answer
#include<bits/stdc++.h>
#include "richest.h"
using namespace std;
const int N=1e6+5;
int n,A[N];
// inline vector<int> ask(vector<int>a,vector<int>b){
// vector<int>c;
// for(int i=0;i<a.size();++i){
// int x=a[i],y=b[i];
// // if(x>n||y>n||x<0||y<0)cerr<<x<<" "<<y<<"\n";
// c.push_back(A[x]>A[y]?x:y);
// }
// return c;
// }
int richest(int n,int s,int t){
vector<int>a,b,c;
if(n==1000){
for(int i=0;i<n;++i){
for(int j=i+1;j<n;++j)a.push_back(i),b.push_back(j);
}
c=ask(a,b);
vector<int>rd(n,0);
for(int i=0;i<499500;++i){
if(c[i]==a[i])++rd[b[i]];
else ++rd[a[i]];
}
for(int i=0;i<n;++i)if(!rd[i])return i;
}
vector<int>p(n);
for(int i=0;i<n;++i)p[i]=i;
a.clear(),b.clear();for(int i=0;i<1000000;i+=2)a.push_back(p[i]),b.push_back(p[i+1]);
p=ask(a,b);
a.clear(),b.clear();for(int i=0;i<500000;i+=2)a.push_back(p[i]),b.push_back(p[i+1]);
p=ask(a,b);
a.clear(),b.clear();for(int i=0;i<250000;i+=2)a.push_back(p[i]),b.push_back(p[i+1]);
p=ask(a,b);
a.clear(),b.clear();for(int i=0;i<125000;i+=2)a.push_back(p[i]),b.push_back(p[i+1]);
p=ask(a,b);
{
a.clear(),b.clear();
int k0=p[62499];
for(int i=0;i<62499;i+=3){
a.push_back(p[i]),b.push_back(p[i+1]);
a.push_back(p[i+1]),b.push_back(p[i+2]);
a.push_back(p[i+2]),b.push_back(p[i]);
}
c=ask(a,b);
vector<int>rd(n,0),q;
for(int i=0;i<62499;++i)++rd[c[i]];
for(int i=0;i<62499;++i)if(rd[p[i]]==2)q.push_back(p[i]);
p=q,p.push_back(k0);
}
{
a.clear(),b.clear();
int k0=p[20833],k1=p[20832];
for(int i=0;i<20832;i+=6){
for(int j=0;j<6;++j){
for(int k=j+1;k<6;++k)a.push_back(p[i+j]),b.push_back(p[i+k]);
}
}
a.push_back(k0),b.push_back(k1);
c=ask(a,b);
vector<int>rd(n,0),q;
for(int i=0;i<52080;++i)++rd[c[i]];
for(int i=0;i<20832;++i)if(rd[p[i]]==5)q.push_back(p[i]);
p=q,p.push_back(c[52080]);
}
{
a.clear(),b.clear();
for(int i=0;i<3173;i+=19){
for(int j=0;j<19;++j){
for(int k=j+1;k<19;++k)a.push_back(p[i+j]),b.push_back(p[i+k]);
}
}
for(int i=3173;i<3473;i+=20){
for(int j=0;j<20;++j){
for(int k=j+1;k<20;++k)a.push_back(p[i+j]),b.push_back(p[i+k]);
}
}
c=ask(a,b);
vector<int>rd(n,0),q;
for(int i=0;i<(int)c.size();++i)++rd[c[i]];
for(int i=0;i<3173;++i)if(rd[p[i]]==18)q.push_back(p[i]);
for(int i=3173;i<3473;++i)if(rd[p[i]]==19)q.push_back(p[i]);
p=q;
}
{
a.clear(),b.clear();
for(int j=0;j<182;++j){
for(int k=j+1;k<182;++k)a.push_back(p[j]),b.push_back(p[k]);
}
c=ask(a,b);
vector<int>rd(n,0),q;
for(int i=0;i<(int)c.size();++i)++rd[c[i]];
for(int i=0;i<182;++i)if(rd[p[i]]==181)q.push_back(p[i]);
return q[0];
}
}
// signed main(){
// freopen("in.in","r",stdin);
// n=1e6;
// for(int i=0;i<n;++i){
// cin>>A[i];
// if(A[i]==n)cout<<i<<"\n";
// }
// cout<<richest(n,0,0);
// }
Details
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Pretests
Pretest #1:
score: 15
Accepted
time: 620ms
memory: 25316kb
input:
1000 1 499500 957319859
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Pretest #2:
score: 68
Acceptable Answer
time: 1839ms
memory: 88572kb
input:
1000000 20 2000000 29091473
output:
Partially correct Case 2, 68 / 85, maxt = 8, maxs = 1099958 9928188789263324607 0.800000 1673713630732559439
result:
points 0.8 Partially correct Case 2, 68 / 85, maxt = 8, maxs = 1099958
Final Tests
Test #1:
score: 15
Accepted
time: 626ms
memory: 25272kb
input:
1000 1 499500 957319857
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Test #2:
score: 68
Acceptable Answer
time: 1873ms
memory: 87712kb
input:
1000000 20 2000000 29091471
output:
Partially correct Case 2, 68 / 85, maxt = 8, maxs = 1099958 9928188789263324607 0.800000 1673713630732559439
result:
points 0.8 Partially correct Case 2, 68 / 85, maxt = 8, maxs = 1099958