# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
347560 | nicholask | Koala Game (APIO17_koala) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "koala.h"
#include <bits/stdc++.h>
using namespace std;
int minValue(int N, int W) {
// TODO: Implement Subtask 1 solution here.
// You may leave this function unmodified if you are not attempting this
// subtask.
int b[N]={},r[N]={};
b[0]=1;
playRound(b,r);
if (r[0]<2) return 0;
else {
for (int i=1; i<N; i++){
if (r[i]<1) return i;
}
}
return 0;
}
int maxValue(int N, int W) {
// TODO: Implement Subtask 2 solution here.
// You may leave this function unmodified if you are not attempting this
// subtask.
vector <int> rem;
for (int i=0; i<N; i++) rem.push_back(i);
while (rem.size()>1){
int b[N]={},r[N]={};
for (auto&i:rem) b[i]=W/rem.size();
playRound(b,r);
vector <int> w;
for (int i=0; i<N; i++){
if (b[i]&&r[i]>b[i]) w.push_back(i);
}
rem=w;
}
return rem[0];
}
int greaterValue(int N, int W) {
// TODO: Implement Subtask 3 solution here.
// You may leave this function unmodified if you are not attempting this
// subtask.
int lb=1,rb=10;
while (lb<rb){
int m=(lb+rb)>>1;
int b[N]={},r[N]={};
b[0]=b[1]=m;
playRound(b,r);
if (r[0]<=b[0]&&r[1]<=b[1]) rb=m-1;
else if (r[0]>b[0]&&r[1]>b[1]) lb=m+1;
else if (r[0]>b[0]) return 0;
else return 1;
}
int b[N]={},r[N]={};
b[0]=b[1]=lb;
playRound(b,r);
if (r[0]>b[0]) return 0;
else return 1;
}
bool cmp(int x,int y){
int b[100]={},r[100]={};
b[x]=b[y]=100;
playRound(b,r);
return (r[x]<=b[x]);
}
vector <int> msort(vector <int> v){
if (v.size()==1) return v;
vector <int> f,s;
for (int i=0; i<v.size(); i++){
if (i<(v.size()+1)/2) f.push_back(v[i]);
else s.push_back(v[i]);
}
f=msort(f);
s=msort(s);
vector <int> ans;
int p1=0,p2=0;
while (p1<f.size()&&p2<s.size()){
if (cmp(f[p1],s[p2])){
ans.push_back(f[p1]);
p1++;
} else {
ans.push_back(s[p2]);
p2++;
}
}
for (int i=p1; i<f.size(); i++) ans.push_back(f[i]);
for (int i=p2; i<s.size(); i++) ans.push_back(s[i]);
return ans;
}
bool cmp1(int x,int y){
int lb=1,rb=10;
while (lb<rb){
int m=(lb+rb)>>1;
int b[100]={},r[100]={};
b[x]=b[y]=m;
playRound(b,r);
if (r[x]<=b[x]&&r[y]<=b[y]) rb=m-1;
else if (r[x]>b[x]&&r[y]>b[y]) lb=m+1;
else if (r[x]>b[x]) return 0;
else return 1;
}
int b[N]={},r[N]={};
b[x]=b[y]=lb;
playRound(b,r);
if (r[x]>b[x]) return 0;
else return 1;
}
void allValues(int N, int W, int *P) {
if (W == 2*N) {
// TODO: Implement Subtask 4 solution here.
// You may leave this block unmodified if you are not attempting this
// subtask.
vector <int> v(N);
for (int i=0; i<N; i++) v[i]=i;
vector <int> ans=msort(v);
for (int i=0; i<N; i++) P[ans[i]]=i+1;
} else {
// TODO: Implement Subtask 5 solution here.
// You may leave this block unmodified if you are not attempting this
// subtask.
vector <int> v(N);
for (int i=0; i<N; i++) v[i]=i;
sort(P,P+N,cmp1);
for (int i=0; i<N; i++) P[ans[i]]=i+1;
}
}