oj.uz

Submission #575586

# Submission time Handle Problem Language Result Execution time Memory
575586 2022-06-11T05:48:38 Z Arvin Ancient Machine (JOI21_ancient_machine) C++17
100 / 100
 59 ms 8592 KB 
#include "Anna.h"
#include <bits/stdc++.h>
	
using namespace std;
	
#define ll long long
	
namespace {
	
int variable_example = 0;
	const int maxN = 1e5 + 5;	
}
	
void Anna(int N, std::vector<char> S) {
	// 1 as store this first X or any Z after first Xa
	// 0 otherwise
	
	vector<int> v;
	ll pos = -1;
	bool fX = false;
	for(int x=0;x<N;x++){
		if(S[x] == 'Z'){
			if(fX && (x+1 == N || S[x+1] != 'Z')){
				v.push_back(1);
			} else {
				v.push_back(0);
			}
			// Send(fX);
		} else if(S[x] == 'Y'){
			// Send(0);
			v.push_back(0);
		} else if(S[x] == 'X'){
			if(!fX){
				v.push_back(1);
				// Send(1);
				fX = true;
				pos = x;
			} else {
				v.push_back(0);
				// Send(0);
			}
		}
	}
	
	// guaranteed bit 1 at most N/2 + 1
	// alternating, only special case where first X and any Z are adjacent.

	// first 16 bits are location of first X
	// if not exist: ok delete all
	// else :
	// check first bit after loc
	// if 0 length is odd
	// - if one:
	// - - 
	// - else:
	
	pos++;
	for(int y=0;y<17;y++){
		if(pos&(1ll << y)){
			Send(1);
		} else {
			Send(0);
		}
	}
	
	if(pos == 0){
		return;
	}
	
	ll cnt[90];
	ll sum = 2;
    ll table[90];
    table[0] = 1; cnt[0] = 1;
    table[1] = 1; cnt[1] = 2;
    for(int x=2;x<88;x++){
    	table[x] = 0;
		for(int y=0;y<=x-2;y++){
    		table[x] += table[y];
		}
		
		sum += table[x];
		cnt[x] = sum;
	}
	
//	cout << "... " << pos << "\n";
	while(pos < v.size()){
		ll val = 0;
		for(int x=85;x>=0;x--){
			if(pos+x < v.size() && v[pos+x] == 1){
//				cout << "+ " << x << " " << val << "+" << cnt[x] << "\n";
				val += cnt[x];
			}
		}
		
		for(int y=0;y<60;y++){
			if(val&(1ll << y)){
				Send(1);
			} else {
				Send(0);
			}
		}
		pos += 86;
	}
	// Send(v[0]);
	// bool skip = false;
	// for(int x=0;x<N;x++){
	// 	if(skip){
	// 		skip = false;
	// 		continue;
	// 	}
	
	// 	if(v[x] == 0){
	// 		if(x+1 == N || v[x+1] == 1){
	// 			Send(0);
	// 			if(x+1 < N && v[x+1] == 1) Send(1);
	// 			else Send(0);
	// 		} else {
	// 			Send(1);
	// 			if(x+2 < N && v[x+2] == 1){
	// 				Send(1);
	// 			} else {
	// 				Send(0);
	// 			}
	// 			skip = true;
	// 		}
	// 	}
	// }
}
#include "Bruno.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long

namespace {

int variable_example = 0;

int FunctionExample(int P) { return 1 - P; }

}  // namespace

void Bruno(int N, int L, std::vector<int> A) {
	ll pos = 0;
	for(int y=0;y<17;y++){
		if(A[y] == 1){
			pos += (1ll << y);
		}
	}
	
	if(pos == 0){
		for(int y=0;y<N;y++){
			Remove(y);
		}
		return;
	}
	
//	for(auto val : A){
//		cout << val << " ";
//	}cout << "\n";
	ll cnt[90];
	ll sum = 2;
    ll table[90];
    table[0] = 1; cnt[0] = 1;
    table[1] = 1; cnt[1] = 2;
    for(int x=2;x<88;x++){
    	table[x] = 0;
		for(int y=0;y<=x-2;y++){
    		table[x] += table[y];
		}
		
		sum += table[x];
		cnt[x] = sum;
	}
	
	vector<int> v(N, 0);
	v[pos-1] = 1;
	
	ll idx = 17;
	while(idx < L){
		ll state = 0;
		for(int y=0;y<60;y++){
			if(A[idx++] == 1){
				state += (1ll << y);
			}
		}
		
//		cout << "= " << state << "\n";
//		ll val = 0;
		for(int y=85;y>=0;y--){
			if(cnt[y] <= state){
//				cout << y << " " << state << "-" << cnt[y] << "\n";
				state -= cnt[y];
				if(pos+y < N) v[pos+y] = 1;
//				val += (1ll << y);
			}	
		}
		
//		for(int y=0;y<86;y++){
//			if(pos+y >= N) break;
//			v[pos+y] = ((val&(1ll << y)) != 0);
//		}
		pos += 86;
	}
//	 for(auto val : v){
//	 	cout << val << " ";
//	 }cout << "\n";
//	 cout << v.size() << "\n";
	vector<int> ans;
	pos = -1;
	int lst = 0;
	for(int x=0;x<v.size();x++){
		if(v[x] == 1){
			if(pos == -1){
				pos = x;
				lst = x+1;
			} else {
				for(int y=x-1;y>=lst;y--){
					ans.push_back(y);
				}
				ans.push_back(x);
				lst = x+1;
			}
		}
	}
	
	for(int x=0;x<=pos;x++){
		ans.push_back(x);
	}
	for(int x=lst;x<N;x++){
		ans.push_back(x);
	}

	for(auto val : ans){
		// cout << "- " << val << "\n";
		Remove(val);
	}
}

Compilation message

Anna.cpp: In function 'void Anna(int, std::vector<char>)':
Anna.cpp:86:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |  while(pos < v.size()){
      |        ~~~~^~~~~~~~~~
Anna.cpp:89:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |    if(pos+x < v.size() && v[pos+x] == 1){
      |       ~~~~~~^~~~~~~~~~
Anna.cpp: At global scope:
Anna.cpp:10:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
   10 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~

Bruno.cpp: In function 'void Bruno(int, int, std::vector<int>)':
Bruno.cpp:85:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |  for(int x=0;x<v.size();x++){
      |              ~^~~~~~~~~
Bruno.cpp: At global scope:
Bruno.cpp:12:5: warning: 'int {anonymous}::FunctionExample(int)' defined but not used [-Wunused-function]
   12 | int FunctionExample(int P) { return 1 - P; }
      |     ^~~~~~~~~~~~~~~
Bruno.cpp:10:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
   10 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 508 KB Output is correct
2 Correct 0 ms 508 KB Output is correct
3 Correct 0 ms 512 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 0 ms 508 KB Output is correct
6 Correct 0 ms 516 KB Output is correct
7 Correct 0 ms 516 KB Output is correct
8 Correct 0 ms 508 KB Output is correct
9 Correct 0 ms 508 KB Output is correct
10 Correct 0 ms 508 KB Output is correct
11 Correct 0 ms 516 KB Output is correct

Subtask #2
95.0 / 95.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 8476 KB Output is correct
2 Correct 52 ms 8428 KB Output is correct
3 Correct 48 ms 8520 KB Output is correct
4 Correct 54 ms 8404 KB Output is correct
5 Correct 47 ms 8356 KB Output is correct
6 Correct 48 ms 8360 KB Output is correct
7 Correct 48 ms 8572 KB Output is correct
8 Correct 48 ms 8584 KB Output is correct
9 Correct 52 ms 8440 KB Output is correct
10 Correct 49 ms 8464 KB Output is correct
11 Correct 48 ms 8560 KB Output is correct
12 Correct 48 ms 8352 KB Output is correct
13 Correct 59 ms 8480 KB Output is correct
14 Correct 56 ms 8436 KB Output is correct
15 Correct 52 ms 8416 KB Output is correct
16 Correct 53 ms 8380 KB Output is correct
17 Correct 53 ms 8500 KB Output is correct
18 Correct 44 ms 6976 KB Output is correct
19 Correct 44 ms 7060 KB Output is correct
20 Correct 48 ms 8404 KB Output is correct
21 Correct 46 ms 8440 KB Output is correct
22 Correct 53 ms 8360 KB Output is correct
23 Correct 52 ms 8540 KB Output is correct
24 Correct 47 ms 8492 KB Output is correct
25 Correct 46 ms 7132 KB Output is correct
26 Correct 53 ms 8524 KB Output is correct
27 Correct 45 ms 7184 KB Output is correct
28 Correct 53 ms 8456 KB Output is correct
29 Correct 50 ms 7000 KB Output is correct
30 Correct 45 ms 7264 KB Output is correct
31 Correct 45 ms 7084 KB Output is correct
32 Correct 48 ms 8592 KB Output is correct
33 Correct 49 ms 8492 KB Output is correct