oj.uz

Submission #494271

# Submission time Handle Problem Language Result Execution time Memory
494271 2021-12-15T01:02:16 Z flappybird Minerals (JOI19_minerals) C++14
75 / 100
 44 ms 4680 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];

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);
			chk[i] = 0;
		}
	}
	for (i = 1; i <= 2 * N; i++) rem[i] = 1;
	ll b;
	for (b = 15; b >= 1; b--) {
		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 (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 328 KB Output is correct
2 Correct 2 ms 456 KB Output is correct
3 Correct 3 ms 712 KB Output is correct
4 Correct 6 ms 1244 KB Output is correct
5 Correct 14 ms 1956 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 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 3 ms 712 KB Output is correct
8 Correct 6 ms 1244 KB Output is correct
9 Correct 14 ms 1956 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 8 ms 1480 KB Output is correct
12 Correct 14 ms 2088 KB Output is correct
13 Correct 14 ms 2016 KB Output is correct
14 Correct 15 ms 1956 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 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 3 ms 712 KB Output is correct
8 Correct 6 ms 1244 KB Output is correct
9 Correct 14 ms 1956 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 8 ms 1480 KB Output is correct
12 Correct 14 ms 2088 KB Output is correct
13 Correct 14 ms 2016 KB Output is correct
14 Correct 15 ms 1956 KB Output is correct
15 Correct 44 ms 4548 KB Output is correct
16 Correct 39 ms 4560 KB Output is correct
17 Correct 43 ms 4556 KB Output is correct
18 Correct 37 ms 4412 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 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 3 ms 712 KB Output is correct
8 Correct 6 ms 1244 KB Output is correct
9 Correct 14 ms 1956 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 8 ms 1480 KB Output is correct
12 Correct 14 ms 2088 KB Output is correct
13 Correct 14 ms 2016 KB Output is correct
14 Correct 15 ms 1956 KB Output is correct
15 Correct 44 ms 4548 KB Output is correct
16 Correct 39 ms 4560 KB Output is correct
17 Correct 43 ms 4556 KB Output is correct
18 Correct 37 ms 4412 KB Output is correct
19 Correct 43 ms 4656 KB Output is correct
20 Correct 42 ms 4648 KB Output is correct
21 Correct 40 ms 4680 KB Output is correct
22 Correct 38 ms 4504 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 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 3 ms 712 KB Output is correct
8 Correct 6 ms 1244 KB Output is correct
9 Correct 14 ms 1956 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 8 ms 1480 KB Output is correct
12 Correct 14 ms 2088 KB Output is correct
13 Correct 14 ms 2016 KB Output is correct
14 Correct 15 ms 1956 KB Output is correct
15 Correct 44 ms 4548 KB Output is correct
16 Correct 39 ms 4560 KB Output is correct
17 Correct 43 ms 4556 KB Output is correct
18 Correct 37 ms 4412 KB Output is correct
19 Correct 43 ms 4656 KB Output is correct
20 Correct 42 ms 4648 KB Output is correct
21 Correct 40 ms 4680 KB Output is correct
22 Correct 38 ms 4504 KB Output is correct
23 Incorrect 40 ms 4476 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 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 3 ms 712 KB Output is correct
8 Correct 6 ms 1244 KB Output is correct
9 Correct 14 ms 1956 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 8 ms 1480 KB Output is correct
12 Correct 14 ms 2088 KB Output is correct
13 Correct 14 ms 2016 KB Output is correct
14 Correct 15 ms 1956 KB Output is correct
15 Correct 44 ms 4548 KB Output is correct
16 Correct 39 ms 4560 KB Output is correct
17 Correct 43 ms 4556 KB Output is correct
18 Correct 37 ms 4412 KB Output is correct
19 Correct 43 ms 4656 KB Output is correct
20 Correct 42 ms 4648 KB Output is correct
21 Correct 40 ms 4680 KB Output is correct
22 Correct 38 ms 4504 KB Output is correct
23 Incorrect 40 ms 4476 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 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 3 ms 712 KB Output is correct
8 Correct 6 ms 1244 KB Output is correct
9 Correct 14 ms 1956 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 8 ms 1480 KB Output is correct
12 Correct 14 ms 2088 KB Output is correct
13 Correct 14 ms 2016 KB Output is correct
14 Correct 15 ms 1956 KB Output is correct
15 Correct 44 ms 4548 KB Output is correct
16 Correct 39 ms 4560 KB Output is correct
17 Correct 43 ms 4556 KB Output is correct
18 Correct 37 ms 4412 KB Output is correct
19 Correct 43 ms 4656 KB Output is correct
20 Correct 42 ms 4648 KB Output is correct
21 Correct 40 ms 4680 KB Output is correct
22 Correct 38 ms 4504 KB Output is correct
23 Incorrect 40 ms 4476 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 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 3 ms 712 KB Output is correct
8 Correct 6 ms 1244 KB Output is correct
9 Correct 14 ms 1956 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 8 ms 1480 KB Output is correct
12 Correct 14 ms 2088 KB Output is correct
13 Correct 14 ms 2016 KB Output is correct
14 Correct 15 ms 1956 KB Output is correct
15 Correct 44 ms 4548 KB Output is correct
16 Correct 39 ms 4560 KB Output is correct
17 Correct 43 ms 4556 KB Output is correct
18 Correct 37 ms 4412 KB Output is correct
19 Correct 43 ms 4656 KB Output is correct
20 Correct 42 ms 4648 KB Output is correct
21 Correct 40 ms 4680 KB Output is correct
22 Correct 38 ms 4504 KB Output is correct
23 Incorrect 40 ms 4476 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -