Submission #388220

#	Time	Username	Problem	Language	Result	Execution time	Memory
388220		AmineWeslati	Ancient Machine (JOI21_ancient_machine)	C++17	0 / 100	78 ms	8960 KiB

Anna

//Never stop trying
#include "bits/stdc++.h"
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

typedef long long ll;
typedef string str;
typedef long double ld;
typedef pair<int, int> pi;
#define fi first
#define se second
typedef vector<int> vi;
typedef vector<pi> vpi;
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define endl "\n"
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)

const int MOD = 1e9 + 7; //998244353
const ll INF = 1e18;
const int MX = 2e5 + 10;
const int nx[4] = {0, 0, 1, -1}, ny[4] = {1, -1, 0, 0}; //right left down up

template<class T> using V = vector<T>;
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
ll cdiv(ll a, ll b) { return a / b + ((a ^ b) > 0 && a % b); } // divide a by b rounded up
//constexpr int log2(int x) { return 31 - __builtin_clz(x); } // floor(log2(x))

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
//mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
ll random(ll a, ll b){
    return a + rng() % (b - a + 1);
}
#ifndef LOCAL  
#define cerr if(false) cerr
#endif
#define dbg(x) cerr << #x << " : " << x << endl; 
#define dbgs(x,y) cerr << #x << " : " << x << " / " << #y << " : " << y << endl;
#define dbgv(v) cerr << #v << " : " << "[ "; for(auto it : v) cerr << it << ' '; cerr << ']' << endl;
#define here() cerr << "here" << endl;

void IO() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin); 
    freopen("output.txt", "w", stdout);
#endif
}
/////////////////////////ONLY CLEAN CODES ALLOWED/////////////////////////

#ifndef LOCAL
#include "Anna.h"
#endif
#ifdef LOCAL
int cnt=0;
void Send(int a){
	cout << a << endl;
	cnt++;
	return; 
}
#endif

void Anna(int N, V<char> S) {
	map<char,int>mp;
	mp['X']=0; mp['Y']=1; mp['Z']=2;
	vi a;
	FOR(i,0,N) a.pb(mp[S[i]]);

	int fx=-1;
	FOR(i,0,N){
		if(a[i]==0){
			if(fx==-1){
				Send(1);
				fx=i;
			}
			else Send(0);
		}
		else if(a[i]==2){
			Send(0);
		}
		else{
			if(fx==-1) 
				Send(0);
			else{
				int j=i+1; 
				while(j<N && a[j]!=2){
					j++;
				}
				
				if(j==N){
					FOR(j,i,N) Send(0);
				}
				else{
					Send(1); 
					FOR(k,i+1,j) Send(0); 
					Send(1);
				}

				i=j; 
			}
		}
	}
	


}

#ifdef LOCAL
int main() {
    boost; IO();
    	
    int N; cin>>N;
    V<char>vec(N);
    FOR(i,0,N) cin>>vec[i];
    Anna(N,vec);
    
    return 0;
}
#endif
//Change your approach 

Bruno

//Never stop trying
#include "bits/stdc++.h"
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

typedef long long ll;
typedef string str;
typedef long double ld;
typedef pair<int, int> pi;
#define fi first
#define se second
typedef vector<int> vi;
typedef vector<pi> vpi;
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define endl "\n"
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)

const int MOD = 1e9 + 7; //998244353
const ll INF = 1e18;
const int MX = 2e5 + 10;
const int nx[4] = {0, 0, 1, -1}, ny[4] = {1, -1, 0, 0}; //right left down up

template<class T> using V = vector<T>;
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
ll cdiv(ll a, ll b) { return a / b + ((a ^ b) > 0 && a % b); } // divide a by b rounded up
//constexpr int log2(int x) { return 31 - __builtin_clz(x); } // floor(log2(x))

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
//mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
ll random(ll a, ll b){
    return a + rng() % (b - a + 1);
}
#ifndef LOCAL  
#define cerr if(false) cerr
#endif
#define dbg(x) cerr << #x << " : " << x << endl; 
#define dbgs(x,y) cerr << #x << " : " << x << " / " << #y << " : " << y << endl;
#define dbgv(v) cerr << #v << " : " << "[ "; for(auto it : v) cerr << it << ' '; cerr << ']' << endl;
#define here() cerr << "here" << endl;

void IO() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin); 
    freopen("output.txt", "w", stdout);
#endif
}
/////////////////////////ONLY CLEAN CODES ALLOWED/////////////////////////

#ifndef LOCAL
#include "Bruno.h"
#endif

#ifdef LOCAL
set<int>s;
vi a(MX);
int ans=0;
void Remove(int idx){
	auto i=s.find(idx);

	/*int y=(a[*i]==1);
	if(i!=s.begin()){
		i--;
		if(a[*i]!=0) y=0;
		i++; 

		i++;
		if(i==s.end()) y=0;
		else if(a[*i]!=2) y=0;
		i--;
	}
	else y=0;

	ans+=y;*/
	s.erase(i);
	cout << idx << endl;
}
#endif

vi rmvd(MX,0);
void rmv(int i){
	rmvd[i]=1;
	Remove(i);
}

void Bruno(int N, int L, vi a) {
	assert(L==N);

	int fx=-1; 
	vpi vec; 
	vi st;
	FOR(i,0,N) if(a[i]==1) {
		if(fx==-1){
			fx=i;
			continue;
		}
		st.pb(i);
		if(sz(st)==2){
			vec.eb(st[0],st[1]);
			st.clear();
		}
	}


	int lst=fx; 
	for(auto it: vec){
		int l=it.fi,r=it.se;
		FOR(i,lst+1,r) if(!a[i]) 
			rmv(i);
		rmv(l); 
		rmv(r);
		lst=r; 
	}
	FOR(i,0,N) if(!rmvd[i]) rmv(i);
}



#ifdef LOCAL
int main() {
    boost; IO();

    int N,L; cin>>N>>L;
    FOR(i,0,N) s.insert(i);
    vi a(L);
    FOR(i,0,L) cin>>a[i];
    Bruno(N,L,a);
    

    return 0;
}
#endif
//Change your approach 

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