oj.uz

Submission #685350

# Submission time Handle Problem Language Result Execution time Memory
685350 2023-01-24T06:19:58 Z flappybird Remittance (JOI19_remittance) C++17
100 / 100
 217 ms 51972 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 1020200
#define MAXS 20
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
ll A[MAX];
ll B[MAX];
ll d[MAX];
ll X[MAX];
int N;
bool chk(ll x0) {
	X[N] = x0;
	int i;
	for (i = N - 1; i >= 0; i--) {
		X[i] = 2 * X[i + 1] + d[i + 1];
		if (X[i] < 0) return false;
		if (X[i] > 1e18) return false;
	}
	for (i = 0; i < N; i++) if (X[i] < 0) return false;
	return X[0] == X[N];
}
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	cin >> N;
	ll i;
	for (i = 0; i < N; i++) cin >> A[i] >> B[i], d[i] = B[i] - A[i];
	d[N] = d[0];
	ll sum = 0;
	for (i = 1; i <= min(60, N); i++) sum -= d[N - i + 1] >> i;
	if (sum < -101010 || sum > 1e10) {
		cout << "No" << ln;
		return 0;
	}
	if (N <= 20) {
		sum <<= N;
		sum /= ((1ll << N) - 1ll);
	}
	int c = 0;
	for (i = sum - 500; i <= sum + 500; i++) {
		if (chk(i)) {
			c = 1;
			break;
		}
	}
	if (!c) {
		cout << "No" << ln;
		return 0;
	}
	while (1) {
		int c = 0;
		for (i = 0; i < N; i++) {
			if (X[i] && A[i] > 1) {
				c = 1;
				ll x = min(X[i], A[i] / 2);
				X[i] -= x;
				A[(i + 1) % N] += x;
				A[i] -= x * 2;
			}
		}
		if (!c) break;
	}
	int no = 0;
	for (i = 0; i < N; i++) if (X[i]) no = 1;
	if (!no) cout << "Yes" << ln;
	else cout << "No" << ln;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 328 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 328 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 328 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 0 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 336 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 340 KB Output is correct
62 Correct 1 ms 340 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 328 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 328 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 328 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 0 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 336 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 340 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 191 ms 43032 KB Output is correct
64 Correct 108 ms 35508 KB Output is correct
65 Correct 215 ms 50476 KB Output is correct
66 Correct 119 ms 35532 KB Output is correct
67 Correct 119 ms 36880 KB Output is correct
68 Correct 130 ms 39192 KB Output is correct
69 Correct 204 ms 50944 KB Output is correct
70 Correct 113 ms 27728 KB Output is correct
71 Correct 115 ms 35228 KB Output is correct
72 Correct 123 ms 33736 KB Output is correct
73 Correct 207 ms 44900 KB Output is correct
74 Correct 104 ms 33084 KB Output is correct
75 Correct 118 ms 35940 KB Output is correct
76 Correct 125 ms 37812 KB Output is correct
77 Correct 203 ms 50748 KB Output is correct
78 Correct 150 ms 43276 KB Output is correct
79 Correct 143 ms 35592 KB Output is correct
80 Correct 154 ms 43152 KB Output is correct
81 Correct 141 ms 35692 KB Output is correct
82 Correct 96 ms 35472 KB Output is correct
83 Correct 92 ms 27660 KB Output is correct
84 Correct 101 ms 35448 KB Output is correct
85 Correct 217 ms 51972 KB Output is correct
86 Correct 212 ms 45832 KB Output is correct
87 Correct 184 ms 44364 KB Output is correct
88 Correct 179 ms 44256 KB Output is correct