Submission #524602

#	Time	Username	Problem	Language	Result	Execution time	Memory
524602		amunduzbaev	Ancient Machine (JOI21_ancient_machine)	C++17	0 / 100	47 ms	7856 KiB

Anna

#include "Anna.h"
#include "bits/stdc++.h"
using namespace std;
 
#define ll long long
const int B = 89;
ll dp[B][2];

void Anna(int n, vector<char> s) {
	int f = -1;
	for(int i=0;i<n;i++){
		if(s[i] == 'X') { f = i; break; }
	}
	
	if(f == -1) return;
	vector<int> res(n);
	res[f] = 1;
	for(int i=f+2;i<n;i++){
		if(s[i] == 'Z') res[i] = 1;
		if(s[i] == 'Z' && s[i-1] == 'Z') res[i-1] = 0;
	}
	
	dp[0][0] = dp[0][1] = 1;
	for(int i=1;i<B;i++){
		dp[i][0] = dp[i-1][0] + dp[i-1][1];
		dp[i][1] = dp[i-1][0];
	}
	
	//~ auto get = [&](vector<int> x) {
		//~ ii res = (ii)0;
		//~ for(int i=0;i<(int)x.size();i++){
			//~ if(x[i]) res += dp[i][0];
		//~ } return res;
	//~ };
	//~ for(int i=0;i<n;i++) cout<<res[i]<<" ";
	//~ cout<<"\n";
	
	int C = (n + B - 1) / B;
	vector<int> rr;
	for(int i=0;i<C;i++){
		vector<int> tmp = vector<int>(res.begin() + i * B, res.begin() + min(n, (i + 1) * B));
		ll v = 0;
		for(int i=0;i<(int)tmp.size();i++){
			if(tmp[i]) v = v + dp[i][0];
		} 
		
		for(int j=0;j<63;j++){
			Send(v >> j & 1);
		}
	}
}

Bruno

#include "Bruno.h"
#include "bits/stdc++.h"
using namespace std;

#define ll long long
const int B = 89;

void Bruno(int n, int l, vector<int> a) {
	ll dp[B][2] {};
	dp[0][0] = dp[0][1] = 1;
	for(int i=1;i<B;i++){
		dp[i][0] = dp[i-1][0] + dp[i-1][1];
		dp[i][1] = dp[i-1][0];
	}
	
	int C = (n + B - 1) / B;
	assert(l == C * 63);
	vector<int> is(l);
	for(int i=0;i<C;i++){
		ll v = 0;
		for(int j=i*63;j<(i+1)*63;j++){
			v |= ((a[j] * 1ll) << j);
		}
		
		
		for(int l=B-1;~l;l--){
			if(v >= dp[l][0]) is[i * B + l] = 1, v -= dp[l][0];
		}
	}
	//~ for(int i=0;i<n;i++) cout<<is[i]<<" ";
	//~ cout<<"\n";
	
	int last = -1, f = -1;
	for(int i=0;i<n;i++){
		if(~f){
			if(is[i]){
				int j = i - 1;
				while(j > last) Remove(j), j--;
				Remove(i); last = i;
			}
		} else {
			if(is[i]) f = last = i;
			else Remove(i);
		}
	}
	int j = n - 1;
	while(j > last) Remove(j), j--;
	Remove(f);
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95