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Submission #959576

# Submission time Handle Problem Language Result Execution time Memory
959576 2024-04-08T13:13:53 Z Trisanu_Das Koala Game (APIO17_koala) C++17
100 / 100
 50 ms 756 KB 
#include "koala.h"
#include<bits/stdc++.h>
 
#define pb push_back
 
using namespace std;
 
int minValue(int n,int w){
	int a[n],b[n];
	for(int i=0;i<n;i++) a[i]=0;
	a[0]=1;
	playRound(a,b);
	for(int i=0;i<n;i++) if(a[i]>=b[i]) return i;
}
 
int maxValue(int n,int w){
	vector<int> c;
	for(int i=0;i<n;i++) c.pb(i);
	while((int)c.size()>1){
		int a[n],b[n];
		for(int i=0;i<n;i++) a[i]=0;
		for(int i:c) a[i]=w/(int)c.size();
		playRound(a,b);
		c.clear();
		for(int i=0;i<n;i++) if(b[i]>a[i]&&a[i]>0) c.pb(i);
	}
	return c[0];
}
 
int greaterValue(int n,int w){
	int low=1,high=min(10,w/2);
	while(low<=high){
		int mid=(low+high)/2;
		int a[n],b[n];
		for(int i=0;i<n;i++) a[i]=0;
		a[0]=a[1]=mid;
		playRound(a,b);
		if(b[0]>mid&&b[1]>mid) low=mid+1;
		else if(b[0]<=mid&&b[1]<=mid) high=mid-1;
		else return (b[0]>mid?0:1);
	}
	return 0;
}
 
void allValues(int n,int w,int *p){
	if(w==2*n){
		auto cmp=[&](int x,int y){
			int a[n],b[n];
			for(int i=0;i<n;i++) a[i]=0;
			a[x]=a[y]=w/2;
			playRound(a,b);
			return b[x]<b[y];
		};
		function<vector<int>(int,int)> solve=[&](int l,int r){
			if(l==r) return vector<int>(1,l);
			int mid=(l+r)/2;
			vector<int> vl=solve(l,mid);
			vector<int> vr=solve(mid+1,r);
			vector<int> ret;
			int i=0,j=0,x=(int)vl.size(),y=(int)vr.size();
			while(i<x||j<y){
				if(i==x||(j<y&&!cmp(vl[i],vr[j]))) ret.pb(vr[j++]);
				else ret.pb(vl[i++]);
			}
			return ret;
		};
		vector<int> res=solve(0,n-1);
		for(int i=0;i<n;i++) p[res[i]]=i+1;
	}else{
		vector<int> ids;
		for(int i=0;i<n;i++) ids.pb(i);
		function<void(vector<int>,int,int)> solve=[&](vector<int> v,int l,int r){
			if(l==r) return (void)(p[v[0]]=l);
			int val=min(w/(r-l+1),(int)sqrt(2*l));
			int a[n],b[n];
			for(int i=0;i<n;i++) a[i]=0;
			for(int i:v) a[i]=val;
			playRound(a,b);
			vector<int> x,y;
			for(int i:v){
				if(b[i]>a[i]) y.pb(i);
				else x.pb(i);
			}
			solve(x,l,l+x.size()-1);
			solve(y,r-y.size()+1,r);
		};
		solve(ids,1,n);
	}
}

Compilation message

koala.cpp: In function 'int minValue(int, int)':
koala.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type]
   14 | }
      | ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 756 KB Output is correct
2 Correct 11 ms 344 KB Output is correct
3 Correct 10 ms 344 KB Output is correct
4 Correct 10 ms 452 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 484 KB Output is correct
2 Correct 44 ms 464 KB Output is correct
3 Correct 42 ms 480 KB Output is correct
4 Correct 42 ms 460 KB Output is correct
5 Correct 42 ms 456 KB Output is correct
6 Correct 40 ms 460 KB Output is correct
7 Correct 40 ms 464 KB Output is correct
8 Correct 41 ms 460 KB Output is correct
9 Correct 40 ms 484 KB Output is correct
10 Correct 50 ms 460 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 344 KB Output is correct
2 Correct 27 ms 452 KB Output is correct
3 Correct 26 ms 344 KB Output is correct
4 Correct 25 ms 344 KB Output is correct
5 Correct 30 ms 456 KB Output is correct
6 Correct 25 ms 344 KB Output is correct
7 Correct 25 ms 344 KB Output is correct
8 Correct 25 ms 344 KB Output is correct
9 Correct 24 ms 344 KB Output is correct
10 Correct 26 ms 456 KB Output is correct
11 Correct 25 ms 344 KB Output is correct
12 Correct 14 ms 456 KB Output is correct
13 Correct 25 ms 344 KB Output is correct
14 Correct 23 ms 344 KB Output is correct
15 Correct 23 ms 452 KB Output is correct
16 Correct 22 ms 344 KB Output is correct
17 Correct 29 ms 436 KB Output is correct
18 Correct 23 ms 344 KB Output is correct
19 Correct 22 ms 344 KB Output is correct
20 Correct 23 ms 344 KB Output is correct

Subtask #5
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 3 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 4 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 3 ms 464 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 3 ms 464 KB Output is correct
23 Correct 3 ms 344 KB Output is correct
24 Correct 3 ms 460 KB Output is correct
25 Correct 3 ms 344 KB Output is correct
26 Correct 3 ms 344 KB Output is correct
27 Correct 3 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 3 ms 344 KB Output is correct
30 Correct 3 ms 344 KB Output is correct
31 Correct 3 ms 344 KB Output is correct
32 Correct 3 ms 344 KB Output is correct
33 Correct 3 ms 344 KB Output is correct
34 Correct 3 ms 344 KB Output is correct
35 Correct 3 ms 344 KB Output is correct
36 Correct 3 ms 344 KB Output is correct
37 Correct 3 ms 344 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 3 ms 344 KB Output is correct
40 Correct 3 ms 472 KB Output is correct