oj.uz

Submission #494272

# Submission time Handle Problem Language Result Execution time Memory
494272 2021-12-15T01:14:45 Z flappybird Minerals (JOI19_minerals) C++14
75 / 100
 46 ms 5956 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define ln '\n'
#define MAX 101010

ll rnd[MAX];
vector<ll> A, B; //A is old
ll chk[MAX];
ll rem[MAX];
ll pv = 0;
ll pvv = 0;

ll query(ll x) {
	rem[x] = !rem[x];
	pv = pvv;
	pvv = Query(rnd[x]);
	return pvv;
}

void answer(ll x, ll y) {
	Answer(rnd[x], rnd[y]);
}

void rnd_gen(ll N) {
	ll i;
	for (i = 1; i <= 2 * N; i++) rnd[i] = i;
	for (i = 2 * N; i > 1; i--) {
		ll a = rand() % i + 1;
		swap(rnd[i], rnd[a]);
	}
}

ll ans[MAX];
ll anschk[MAX];
ll num[MAX];
ll checked[MAX];

void Solve(int N) {
	srand(77777); //lucky seven
	ll i;
	rnd_gen(N);
	for (i = 1; i <= 2 * N; i++) {
		ll res = query(i);
		if (res != pv) {
			B.push_back(i);
			chk[i] = 1;
		}
		else {
			A.push_back(i);
			num[i] = B.size();
			chk[i] = 0;
		}
	}
	for (i = 1; i <= 2 * N; i++) rem[i] = 1, checked[i] = 16;
	for (i = 1; i <= 2 * N; i++) {
		for (ll j = 15; j >= 0; j--) {
			if (i < (1LL << j)) {
				checked[i] = j;
			}
		}
	}
	ll b;
	for (b = 15; b >= 1; b--) {
		for (i = 0; i < N; i++) {
			if (checked[i] <= b) continue;
			if (!((1LL << b) & i)) {
				if (!rem[B[i]]) query(B[i]);
			}
			else {
				if (rem[B[i]]) query(B[i]);
			}
		}
		for (i = 0; i < N; i++) if (query(A[i]) != pv) ans[i] += (1LL << b);
	}
	b = 0;
	for (i = 0; i < N; i++) {
		for (i = 0; i < N; i++) {
			if (!((1LL << b) & i)) {
				if (!rem[B[i]]) query(B[i]);
			}
			else {
				if (rem[B[i]]) query(B[i]);
			}
		}
		for (i = 0; i < N; i++) {
			if (anschk[ans[i]] || anschk[ans[i] + 1]) {
				if (anschk[ans[i]]) ans[i]++;
			}
			else {
				if (query(A[i]) != pv) ans[i] += (1LL << b);
				anschk[ans[i]] = 1;
			}
		}
	}
	for (i = 0; i < N; i++) answer(A[i], B[ans[i]]);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 456 KB Output is correct
2 Correct 2 ms 584 KB Output is correct
3 Correct 3 ms 840 KB Output is correct
4 Correct 7 ms 1480 KB Output is correct
5 Correct 14 ms 2432 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 2 ms 584 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1480 KB Output is correct
9 Correct 14 ms 2432 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 9 ms 1864 KB Output is correct
12 Correct 14 ms 2484 KB Output is correct
13 Correct 13 ms 2504 KB Output is correct
14 Correct 13 ms 2428 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 2 ms 584 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1480 KB Output is correct
9 Correct 14 ms 2432 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 9 ms 1864 KB Output is correct
12 Correct 14 ms 2484 KB Output is correct
13 Correct 13 ms 2504 KB Output is correct
14 Correct 13 ms 2428 KB Output is correct
15 Correct 46 ms 5824 KB Output is correct
16 Correct 39 ms 5736 KB Output is correct
17 Correct 39 ms 5812 KB Output is correct
18 Correct 46 ms 5584 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 2 ms 584 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1480 KB Output is correct
9 Correct 14 ms 2432 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 9 ms 1864 KB Output is correct
12 Correct 14 ms 2484 KB Output is correct
13 Correct 13 ms 2504 KB Output is correct
14 Correct 13 ms 2428 KB Output is correct
15 Correct 46 ms 5824 KB Output is correct
16 Correct 39 ms 5736 KB Output is correct
17 Correct 39 ms 5812 KB Output is correct
18 Correct 46 ms 5584 KB Output is correct
19 Correct 44 ms 5956 KB Output is correct
20 Correct 45 ms 5944 KB Output is correct
21 Correct 42 ms 5948 KB Output is correct
22 Correct 38 ms 5700 KB Output is correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 2 ms 584 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1480 KB Output is correct
9 Correct 14 ms 2432 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 9 ms 1864 KB Output is correct
12 Correct 14 ms 2484 KB Output is correct
13 Correct 13 ms 2504 KB Output is correct
14 Correct 13 ms 2428 KB Output is correct
15 Correct 46 ms 5824 KB Output is correct
16 Correct 39 ms 5736 KB Output is correct
17 Correct 39 ms 5812 KB Output is correct
18 Correct 46 ms 5584 KB Output is correct
19 Correct 44 ms 5956 KB Output is correct
20 Correct 45 ms 5944 KB Output is correct
21 Correct 42 ms 5948 KB Output is correct
22 Correct 38 ms 5700 KB Output is correct
23 Incorrect 41 ms 5688 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 2 ms 584 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1480 KB Output is correct
9 Correct 14 ms 2432 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 9 ms 1864 KB Output is correct
12 Correct 14 ms 2484 KB Output is correct
13 Correct 13 ms 2504 KB Output is correct
14 Correct 13 ms 2428 KB Output is correct
15 Correct 46 ms 5824 KB Output is correct
16 Correct 39 ms 5736 KB Output is correct
17 Correct 39 ms 5812 KB Output is correct
18 Correct 46 ms 5584 KB Output is correct
19 Correct 44 ms 5956 KB Output is correct
20 Correct 45 ms 5944 KB Output is correct
21 Correct 42 ms 5948 KB Output is correct
22 Correct 38 ms 5700 KB Output is correct
23 Incorrect 41 ms 5688 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 2 ms 584 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1480 KB Output is correct
9 Correct 14 ms 2432 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 9 ms 1864 KB Output is correct
12 Correct 14 ms 2484 KB Output is correct
13 Correct 13 ms 2504 KB Output is correct
14 Correct 13 ms 2428 KB Output is correct
15 Correct 46 ms 5824 KB Output is correct
16 Correct 39 ms 5736 KB Output is correct
17 Correct 39 ms 5812 KB Output is correct
18 Correct 46 ms 5584 KB Output is correct
19 Correct 44 ms 5956 KB Output is correct
20 Correct 45 ms 5944 KB Output is correct
21 Correct 42 ms 5948 KB Output is correct
22 Correct 38 ms 5700 KB Output is correct
23 Incorrect 41 ms 5688 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 2 ms 584 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1480 KB Output is correct
9 Correct 14 ms 2432 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 9 ms 1864 KB Output is correct
12 Correct 14 ms 2484 KB Output is correct
13 Correct 13 ms 2504 KB Output is correct
14 Correct 13 ms 2428 KB Output is correct
15 Correct 46 ms 5824 KB Output is correct
16 Correct 39 ms 5736 KB Output is correct
17 Correct 39 ms 5812 KB Output is correct
18 Correct 46 ms 5584 KB Output is correct
19 Correct 44 ms 5956 KB Output is correct
20 Correct 45 ms 5944 KB Output is correct
21 Correct 42 ms 5948 KB Output is correct
22 Correct 38 ms 5700 KB Output is correct
23 Incorrect 41 ms 5688 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -