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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#502702 | #9156. 百万富翁 | liaoji | 15 | 618ms | 23072kb | C++14 | 1.6kb | 2024-08-03 12:03:46 | 2024-08-03 12:03:46 |
Judging History
answer
#include"richest.h"
#include<bits/stdc++.h>
using namespace std;
const int wk[15]={0,0,15,6,3,2,2,2,2,2};
inline int Ask(vector<int>&v,int N) {
vector<int>vis(N,0);
vector<int>a,b,ans;
for(int i=0;i<N;i++)
for(int j=i+1;j<N;j++)
a.push_back(i),b.push_back(j);
ans=ask(a,b);
int ij=0;
for(int i=0;i<N;i++)
for(int j=i+1;j<N;j++)
{
if(ans[ij]==v[i]) vis[j]=1;
else vis[i]=1;
++ij;
}
for(int i=0;i<N;i++) if(!vis[i]) return v[i];
}
int dfs(int N,int T,vector<int>v) {
if(N==1) return v[0];
if(T==1) return Ask(v,N);
vector<int>dv;
int d=wk[T];
for(int i=0;i<N;i+=d) {
int ed=(i+d<N?i+d:N);
vector<int>nv(v.begin()+i,v.begin()+ed);
dv.push_back(Ask(nv,ed-i));
}
dfs(dv.size(),T-1,dv);
}
int richest(int N,int T,int S) {
if(N==1000) {
vector<int>vis(N,0);
vector<int>a,b,ans;
for(int i=0;i<N;i++)
for(int j=i+1;j<N;j++)
a.push_back(i),b.push_back(j);
ans=ask(a,b);
int ij=0;
for(int i=0;i<N;i++)
for(int j=i+1;j<N;j++)
{
if(ans[ij]==i) vis[j]=1;
else vis[i]=1;
++ij;
}
for(int i=0;i<N;i++) if(!vis[i]) return i;
}
if(T>=9) {
vector<int>v(N);
for(int i=0;i<N;i++) v.push_back(i);
return dfs(N,T,v);
}
}
//g++ grader.cpp richest.cpp -o richest -O2 -std=c++14 -static
Details
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Pretests
Pretest #1:
score: 15
Accepted
time: 618ms
memory: 21908kb
input:
1000 1 499500 957319859
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Pretest #2:
score: 0
Runtime Error
input:
1000000 20 2000000 29091473
output:
Unauthorized output
result:
Final Tests
Test #1:
score: 15
Accepted
time: 605ms
memory: 23072kb
input:
1000 1 499500 957319857
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Test #2:
score: 0
Runtime Error
input:
1000000 20 2000000 29091471
output:
Unauthorized output