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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#527298 | #9156. 百万富翁 | _CLY_ | 100 ✓ | 2026ms | 92336kb | C++14 | 2.5kb | 2024-08-22 13:41:58 | 2024-08-22 13:41:59 |
Judging History
answer
#include "richest.h"
#include <bits/stdc++.h>
using namespace std;
inline long long read(){
long long x=0; char ch; bool f=0;
while(((ch=getchar())<'0'||ch>'9')&&ch!='-') ;
if(ch=='-') f=1;
else x=ch^48;
while((ch=getchar())>='0'&&ch<='9') x=(x<<1)+(x<<3)+(ch^48);
return f?-x:x;
}
//int T,S;
//std::vector<int> ask(std::vector<int> a, std::vector<int> b){
// T++;
// vector<int> c;
// for(int i=0;i<a.size();i++){
// S++;
// c.push_back(max(a[i],b[i]));
// }
// return c;
//}
const int dx[10]={1,183,3472,20832,62496,125000,250000,500000};
const int N=1e6+5;
long long f[12][N],lst[12][N];
long long calc(int n,int m){
if(n==m) return 0;
long long t=n/m,t2=n-t*m;
return (m-t2)*t*(t-1)/2+t2*(t+1)*t/2;
}
int ct[N];
int richest(int n,int T,int S){
for(int i=0;i<n;i++) ct[i]=0;
if(n<=1000){
vector<int> a,b;
for(int i=0;i<n;i++){
for(int j=i+1;j<n;j++) a.push_back(i),b.push_back(j);
}
vector<int> c=ask(a,b);
for(int i=0;i<c.size();i++){
if(c[i]==a[i]) ct[b[i]]=1;
else ct[a[i]]=1;
}
for(int i=0;i<n;i++){
if(!ct[i]) return i;
}
}
vector<int> s;
for(int i=0;i<n;i++) s.push_back(i);
for(int i=7;i>=0;i--){
vector<int> a,b;
int m=dx[i];
long long t=n/m,t2=n-t*m;
int st=0;
for(int j=1;j<=m-t2;j++){
for(int t1=st;t1<st+t;t1++){
for(int t2=t1+1;t2<st+t;t2++){
a.push_back(s[t1]),b.push_back(s[t2]);
}
}
st+=t;
}
for(int j=m-t2+1;j<=m;j++){
for(int t1=st;t1<st+t+1;t1++){
for(int t2=t1+1;t2<st+t+1;t2++){
a.push_back(s[t1]),b.push_back(s[t2]);
}
}
st+=t+1;
}
vector<int> c=ask(a,b);
vector<int> ss;
st=0; int cnt=0;
for(int j=1;j<=m-t2;j++){
for(int t1=st;t1<st+t;t1++) ct[s[t1]]=0;
for(int t1=st;t1<st+t;t1++){
for(int t2=t1+1;t2<st+t;t2++){
if(c[cnt]==a[cnt]) ct[b[cnt]]=1;
else ct[a[cnt]]=1;
cnt++;
}
}
for(int t1=st;t1<st+t;t1++){
if(!ct[s[t1]]){
ss.push_back(s[t1]);
break;
}
}
st+=t;
}
for(int j=m-t2+1;j<=m;j++){
for(int t1=st;t1<st+t+1;t1++) ct[s[t1]]=0;
for(int t1=st;t1<st+t+1;t1++){
for(int t2=t1+1;t2<st+t+1;t2++){
if(c[cnt]==a[cnt]) ct[b[cnt]]=1;
else ct[a[cnt]]=1;
cnt++;
}
}
for(int t1=st;t1<st+t+1;t1++){
if(!ct[s[t1]]){
ss.push_back(s[t1]);
break;
}
}
st+=t+1;
}
n=dx[i];
swap(s,ss);
}
return s[0];
}
//int main(){
// T=0,S=0; int n=1e6;
// cout<<richest(n,0,0)<<"\n??"<<T<<" "<<S<<"!\n";
//}
详细
Pretests
Pretest #1:
score: 15
Accepted
time: 625ms
memory: 27472kb
input:
1000 1 499500 957319859
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Pretest #2:
score: 85
Accepted
time: 2025ms
memory: 92336kb
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: 619ms
memory: 27268kb
input:
1000 1 499500 957319857
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Test #2:
score: 85
Accepted
time: 2026ms
memory: 90436kb
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