oj.uz

Submission #440933

# Submission time Handle Problem Language Result Execution time Memory
440933 2021-07-03T13:46:56 Z kig9981 Ancient Machine (JOI21_ancient_machine) C++17
0 / 100
 10 ms 2208 KB 
#include "Anna.h"
#include <bits/stdc++.h>
 
#ifdef NON_SUBMIT
#define TEST(n) (n)
#define tout cerr
#else
#define TEST(n) ((void)0)
#define tout cin
#endif
 
using namespace std;

#ifdef NON_SUBMIT
void Remove(int);
void Send(int);
#endif

void Anna(int N, std::vector<char> S) {
	vector<int> X, Y, Z;
	int s=N, e=0, p, mb=7, mbc=2*N;
	for(int i=0;i<N;i++) {
		if(S[i]=='X') s=min(s,i);
		else if(S[i]=='Z') e=i;
	}
	if(s>=e) return;
	for(int i=17;--i>=0;) Send(s&(1<<i) ? 1:0);
	for(int i=17;--i>=0;) Send(e&(1<<i) ? 1:0);
	p=s-1;
	for(int i=s+1;i<e;i++) if(S[i]=='Y' && S[i+1]!='Y') {
		(S[i+1]=='X' ? X:Z).push_back(Y.size());
		Y.push_back(i-p-2);
		p=i;
	}
	for(int t=7;--t;) {
		int c=0;
		for(auto y: Y) c+=y<(1<<t)-1;
		if(mbc>c*t+(N-c)*(t+17)) {
			mbc=c*t+(N-c)*(t+17);
			mb=t;
		}
	}
	for(int i=3;--i>=0;) Send(mb&(1<<i) ? 1:0);
	Send(X.size()>Z.size());
	for(int i=16;--i>=0;) Send(Y.size()&(1<<i) ? 1:0);
	for(auto y: Y) {
		if(y<(1<<mb)-1) {
			for(int i=mb;--i>=0;) Send(y&(1<<i) ? 1:0);
		}
		else {
			for(int i=0;i<mb;i++) Send(1);
			for(int i=17;--i>=0;) Send(y&(1<<i) ? 1:0);
		}
	}
	if(X.size()>Z.size()) swap(X,Z);
	if(X.empty()) {
		Send(0); Send(0); Send(0);
		return;
	}
	for(int i=X.size();--i;) X[i]-=X[i-1]+1;
	mb=7; mbc=2*N;
	for(int t=7;--t;) {
		int c=0;
		for(auto x: X) c+=x<(1<<t)-1;
		if(mbc>c*t+(N-c)*(t+15)) {
			mbc=c*t+(N-c)*(t+15);
			mb=t;
		}
	}
	for(int i=3;--i>=0;) Send(mb&(1<<i) ? 1:0);
	for(auto x: X) {
		if(x<(1<<mb)-1) {
			for(int i=mb;--i>=0;) Send(x&(1<<i) ? 1:0);
		}
		else {
			for(int i=0;i<mb;i++) Send(1);
			for(int i=15;--i>=0;) Send(x&(1<<i) ? 1:0);
		}
	}
}
#include "Bruno.h"
#include <bits/stdc++.h>
 
#ifdef NON_SUBMIT
#define TEST(n) (n)
#define tout cerr
#else
#define TEST(n) ((void)0)
#define tout cin
#endif
 
using namespace std;

#ifdef NON_SUBMIT
void Remove(int);
void Send(int);
#endif
void Bruno(int N, int L, std::vector<int> A) {
    int s=0, e=0, j=0, mb=0, p, ysz=0;
	char ch;
	if(L==0) {
		for(int i=0;i<N;i++) Remove(i);
		return;
	}
	for(int i=0;i<17;i++) s=2*s+A[j++];
	for(int i=0;i<17;i++) e=2*e+A[j++];
	for(int i=0;i<3;i++) mb=2*mb+A[j++];
	ch=A[j++] ? 'Z':'X';
	for(int i=0;i<16;i++) ysz=2*ysz+A[j++];
	if(ysz==0) {
		for(int i=0;i<N;i++) Remove(i);
		return;
	}
	vector<char> S(N);
	vector<int> I, Y;
	S[s]='X'; S[e]='Z';
	for(int i=0;i<N;i++) S[i]='?';
	p=s-1;
	while(ysz--) {
		int v=0;
		for(int i=0;i<mb;i++) v=2*v+A[j++];
		if(v==(1<<mb)-1) {
			for(int i=v=0;i<17;i++) v=2*v+A[j++];
		}
		S[p+=v+2]='Y';
		Y.push_back(p);
	}
	p=-1; mb=0;
	for(int i=0;i<3;i++) mb=2*mb+A[j++];
	while(j<L) {
		int v=0;
		for(int i=0;i<mb;i++) v=2*v+A[j++];
		if(v==(1<<mb)-1) {
			for(int i=v=0;i<15;i++) v=2*v+A[j++];
		}
		S[Y[p+=v+1]+1]=ch;
	}
	ch=(int)'X'+'Z'-ch;
	for(auto y: Y) if(S[y+1]=='?') S[y+1]=ch;
	for(int i=0;i<N;i++) {
		if(S[i]=='?') Remove(i);
		else if(S[i]=='Y') p=i+1;
	}
	if(p<e) {
		Remove(p);
		S[p]='?';
	}
	for(int i=0;i<N;i++) if(S[i]!='?') {
		if(S[i]=='Z') {
			for(;;) {
				Remove(I.back());
				I.pop_back();
				if(I.size()==1) {
					Remove(i);
					break;
				}
				Remove(I.back());
				I.pop_back();
			}
		}
		else I.push_back(i);
	}
	while(I.size()) {
		Remove(I.back());
		I.pop_back();
	}
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 484 KB Wrong Answer [4]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 95.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 2208 KB Wrong Answer [2]
2 Halted 0 ms 0 KB -