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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#722091 | #9156. 百万富翁 | Azusa | 100 ✓ | 4616ms | 112068kb | C++14 | 2.4kb | 2024-11-07 17:47:32 | 2024-11-07 17:47:32 |
Judging History
answer
#include "richest.h"
#include<bits/stdc++.h>
using namespace std;
std::vector <int> ask(std::vector <int> a, std::vector <int> b);
namespace sub1{
const int maxn=1010;
int id[maxn];
bool win[maxn][maxn];
inline int sol(int n){
vector<int> a,b,c;
for(int i=0;i<n;i++) id[i]=i;
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
win[i][j]=false;
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);
for(int i=0;i<a.size();i++){
int x=a[i],y=b[i],z=c[i];
if(z==x) win[x][y]=true;
else win[y][x]=true;
}
for(int i=0;i<n;i++)
for(int j=i+1;j<n;j++)
if(win[id[i]][id[j]]) swap(id[i],id[j]);
return id[n-1];
}
}
namespace sub2{
const int maxn=1e6+10;
map<pair<int,int>,bool> win;
inline void merge(vector<int> &vec,int k){
int sz=vec.size(),cnt,idx=0,rest,step=k-1,s;
s=sz/k; cnt=sz%k;
while(cnt%(k-1)!=0){
s--; cnt+=k;
}
rest=cnt/(k-1);
vector<int> a,b,c,t;
if(k==3){
step=4; rest=1;
}
if(k==6){
s=3471; step=7; rest=1;
}
if(k==19){
s=178; step=18; rest=5;
}
for(int i=k-1,j=0,ps=1;i<sz && ps<=s;i+=k,ps++){
for(int l=j;l<=i;l++)
for(int r=l+1;r<=i;r++){
a.push_back(vec[l]);
b.push_back(vec[r]);
}
j=i+1;
}
int lst=k*(s-1)+(k-1)+1;
for(int i=lst+step-1,j=lst,ps=1;i<sz && ps<=rest;i+=step,ps++){
for(int l=j;l<=i;l++)
for(int r=l+1;r<=i;r++){
a.push_back(vec[l]);
b.push_back(vec[r]);
}
j=i+1;
}
c=ask(a,b);
win.clear();
for(int i=0;i<a.size();i++){
int x=a[i],y=b[i],z=c[i];
if(z==x) win[{x,y}]=true;
else win[{y,x}]=true;
}
for(int i=k-1,j=0,ps=1;i<sz && ps<=s;i+=k,ps++){
for(int l=j;l<=i;l++)
for(int r=l+1;r<=i;r++)
if(win[{vec[l],vec[r]}]==true) swap(vec[l],vec[r]);
t.push_back(vec[i]);
j=i+1;
}
for(int i=lst+step-1,j=lst,ps=1;i<sz && ps<=rest;i+=step,ps++){
for(int l=j;l<=i;l++)
for(int r=l+1;r<=i;r++)
if(win[{vec[l],vec[r]}]==true) swap(vec[l],vec[r]);
t.push_back(vec[i]);
j=i+1;
}
vec.swap(t);
}
inline int sol(int n){
vector<int> vec;
for(int i=0;i<n;i++) vec.push_back(i);
for(int i=4;i--;) merge(vec,2);
merge(vec,3); merge(vec,6); merge(vec,19);
merge(vec,183);
return vec.back();
}
}
int richest(int N, int T, int S) {
if(N<=1000) return sub1::sol(N);
else return sub2::sol(N);
}
Details
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Pretests
Pretest #1:
score: 15
Accepted
time: 639ms
memory: 27536kb
input:
1000 1 499500 957319859
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Pretest #2:
score: 85
Accepted
time: 4605ms
memory: 111920kb
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: 623ms
memory: 26200kb
input:
1000 1 499500 957319857
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Test #2:
score: 85
Accepted
time: 4616ms
memory: 112068kb
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