oj.uz

Submission #966460

# Submission time Handle Problem Language Result Execution time Memory
966460 2024-04-19T23:40:01 Z pavement Ancient Machine (JOI21_ancient_machine) C++17
96 / 100
 48 ms 8064 KB 
#include "Anna.h"
#include <bits/stdc++.h>
using namespace std;

using i128 = __int128;

#define pb push_back

const int BLK_SZ = 179;

void Anna(int N, vector<char> S) {
	int first_X = -1;
	vector<bool> positions(N);
	vector<i128> fib(BLK_SZ + 5);
	fib[0] = fib[1] = 1;
	for (int i = 2; i < BLK_SZ + 5; i++) {
		fib[i] = fib[i - 1] + fib[i - 2];
	}
	for (int i = 0; i < N; i++) {
		if (S[i] == 'X' && first_X == -1) {
			first_X = i;
		} else if (first_X == -1) {
			continue;
		} else if (S[i] == 'Z') {
			assert(i);
			if (positions[i - 1] == 1) {
				positions[i - 1] = 0;
			}
			positions[i] = 1;
		}
	}
	for (int i = 0; i < N; i += BLK_SZ) {
		int r = min(N, i + BLK_SZ);
		// [i, r)
		i128 cur = 0;
		for (int j = i; j < r; j++) {
			if (positions[j]) {
				cur += fib[r - j];
			}
		}
		for (int j = 0; j < 128; j++) {
			Send(!!(cur & ((i128)1 << j)));
		}
	}
	for (int j = 0; j < 17; j++) {
		Send(!!((first_X + 1) & ((i128)1 << j)));
	}
}

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

using i128 = __int128;

#define pb push_back

const int BLK_SZ = 179;

void Bruno(int N, int L, vector<int> A) {
	int first_X = 0;
	vector<bool> positions(N);
	vector<i128> fib(BLK_SZ + 5);
	fib[0] = fib[1] = 1;
	for (int i = 2; i < BLK_SZ + 5; i++) {
		fib[i] = fib[i - 1] + fib[i - 2];
	}
	for (int j = L - 17; j < L; j++) {
		if (A[j]) {
			first_X |= (1 << (j - (L - 17)));
		}
	}
	first_X--;
	if (first_X == -1) {
		for (int i = 0; i < N; i++) {
			Remove(i);
		}
		return;
	}
	for (int i = 0, l = 0; i < L - 17; i += 128, l += BLK_SZ) {
		int r = min(N, l + BLK_SZ);
		i128 cur = 0;
		for (int j = i; j < min(L, i + 128); j++) {
			if (A[j]) {
				cur |= ((i128)1 << (j - i));
			}
		}
		// [l, r)
		for (int j = l; j < r; j++) {
			if (fib[r - j] > cur) {
				positions[j] = 0;
			} else {
				positions[j] = 1;
				cur -= fib[r - j];
				j++;
			}
		}
	}
	for (int i = 0; i < first_X; i++) {
		Remove(i);
	}
	vector<int> buf;
	for (int i = first_X + 1; i < N; i++) {
		if (positions[i]) {
			while (!buf.empty()) {
				Remove(buf.back());
				buf.pop_back();
			}
			Remove(i);
		} else {
			buf.pb(i);
		}
	}
	buf.pb(first_X);
	while (!buf.empty()) {
		Remove(buf.back());
		buf.pop_back();
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 792 KB Output is correct
2 Correct 0 ms 792 KB Output is correct
3 Correct 1 ms 792 KB Output is correct
4 Correct 0 ms 792 KB Output is correct
5 Correct 0 ms 792 KB Output is correct
6 Correct 1 ms 780 KB Output is correct
7 Correct 1 ms 1248 KB Output is correct
8 Correct 0 ms 792 KB Output is correct
9 Correct 0 ms 792 KB Output is correct
10 Correct 0 ms 792 KB Output is correct
11 Correct 0 ms 780 KB Output is correct

Subtask #2
91.0 / 95.0

# Verdict Execution time Memory Grader output
1 Partially correct 38 ms 7716 KB Partially correct
2 Partially correct 43 ms 7740 KB Partially correct
3 Partially correct 41 ms 7856 KB Partially correct
4 Partially correct 38 ms 7824 KB Partially correct
5 Partially correct 38 ms 7640 KB Partially correct
6 Partially correct 38 ms 7728 KB Partially correct
7 Partially correct 39 ms 7712 KB Partially correct
8 Partially correct 38 ms 7712 KB Partially correct
9 Partially correct 38 ms 8056 KB Partially correct
10 Partially correct 38 ms 7640 KB Partially correct
11 Partially correct 38 ms 8064 KB Partially correct
12 Partially correct 41 ms 7588 KB Partially correct
13 Partially correct 45 ms 7736 KB Partially correct
14 Partially correct 45 ms 7736 KB Partially correct
15 Partially correct 43 ms 7816 KB Partially correct
16 Partially correct 43 ms 7728 KB Partially correct
17 Partially correct 42 ms 7852 KB Partially correct
18 Partially correct 42 ms 7732 KB Partially correct
19 Partially correct 41 ms 7648 KB Partially correct
20 Partially correct 39 ms 7796 KB Partially correct
21 Partially correct 38 ms 7772 KB Partially correct
22 Partially correct 43 ms 7872 KB Partially correct
23 Partially correct 48 ms 7724 KB Partially correct
24 Partially correct 37 ms 7736 KB Partially correct
25 Partially correct 42 ms 7708 KB Partially correct
26 Partially correct 44 ms 7828 KB Partially correct
27 Partially correct 43 ms 7596 KB Partially correct
28 Partially correct 42 ms 7820 KB Partially correct
29 Partially correct 42 ms 7824 KB Partially correct
30 Partially correct 43 ms 7724 KB Partially correct
31 Partially correct 44 ms 7752 KB Partially correct
32 Partially correct 39 ms 7732 KB Partially correct
33 Partially correct 39 ms 7812 KB Partially correct