oj.uz

Submission #334963

# Submission time Handle Problem Language Result Execution time Memory
334963 2020-12-10T13:17:54 Z tengiz05 Nice sequence (IZhO18_sequence) C++17
100 / 100
 1824 ms 51932 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define FASTIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define pii pair<int, int>
#define ff first
#define ss second
#define PI acos(-1)
#define ld long double
const int mod = 1e9+7, N = 4e6+5;
int msb(int val){return sizeof(int)*8-__builtin_clzll(val);}
int a[N], n, m, k;
bool used[N];
vector<int> order;
int md;
void dfs(int u){
	used[u] = true;
	if(u-n >= 0 && !used[u-n])dfs(u-n);
	if(u+m <= md && !used[u+m])dfs(u+m);
	order.pb(u);
}

bool check(int mid){
	int i;
	md = mid;
	order.clear();
	memset(used, 0, sizeof(used));
	for(i=0;i<=mid;i++)if(!used[i])dfs(i);
	for(i=0;i<=mid;i++)a[order[i]] = i;
	for(i=0;i<=mid;i++){
		if(i-n >= 0){
			if(a[i]-a[i-n] <=0)return false;
		}else if(i-m >= 0){
			if(a[i]-a[i-m] >=0)return false;
		}
	}return true;
}
void solve(int test_case){
	int i, j;
	cin >> n >> m;
	int l = 0, r = n+m+1;
	check(l);
	while(l+1 < r){
		int mid = (l+r)/2;
	//	cout << l << ' ' << r << ' ' << mid << '\n';
		if(check(mid))l = mid;
		else r = mid;
	}
	cout << l << '\n';
	assert(l != -1);
	check(l);
	for(i=1;i<=l;i++){
		cout << -(a[i]-a[i-1]) << ' ';
	}cout << '\n';
	return;
}

signed main(){
	FASTIO;
#define MULTITEST 1
#if MULTITEST
	int ___T;
	cin >> ___T;
	for(int T_CASE = 1; T_CASE <= ___T; T_CASE++)
		solve(T_CASE);
#else
	solve(1);
#endif
	return 0;
}

Compilation message

sequence.cpp: In function 'void solve(long long int)':
sequence.cpp:41:9: warning: unused variable 'j' [-Wunused-variable]
   41 |  int i, j;
      |         ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 4204 KB Ok
2 Correct 15 ms 4204 KB Ok
3 Correct 16 ms 4224 KB Ok
4 Correct 16 ms 4208 KB Ok
5 Correct 17 ms 4204 KB Ok
6 Correct 16 ms 4204 KB Ok
7 Correct 16 ms 4224 KB Ok
8 Correct 16 ms 4224 KB Ok
9 Correct 17 ms 4332 KB Ok
10 Correct 16 ms 4204 KB Ok
11 Correct 16 ms 4204 KB Ok
12 Correct 17 ms 4204 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 4204 KB Ok
2 Correct 12 ms 4204 KB Ok
3 Correct 13 ms 4204 KB Ok
4 Correct 13 ms 4204 KB Ok
5 Correct 14 ms 4332 KB Ok
6 Correct 26 ms 4460 KB Ok
7 Correct 49 ms 5228 KB Ok
8 Correct 33 ms 4588 KB Ok
9 Correct 53 ms 5356 KB Ok
10 Correct 47 ms 4844 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4204 KB Ok
2 Correct 9 ms 4204 KB Ok
3 Correct 10 ms 4204 KB Ok
4 Correct 10 ms 4204 KB Ok
5 Correct 11 ms 4204 KB Ok
6 Correct 13 ms 4332 KB Ok
7 Correct 11 ms 4204 KB Ok
8 Correct 12 ms 4204 KB Ok
9 Correct 13 ms 4204 KB Ok
10 Correct 12 ms 4204 KB Ok
11 Correct 11 ms 4204 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 4204 KB Ok
2 Correct 12 ms 4204 KB Ok
3 Correct 13 ms 4204 KB Ok
4 Correct 14 ms 4204 KB Ok
5 Correct 15 ms 4204 KB Ok
6 Correct 348 ms 15332 KB Ok
7 Correct 294 ms 15844 KB Ok
8 Correct 541 ms 18020 KB Ok
9 Correct 417 ms 18020 KB Ok
10 Correct 292 ms 11880 KB Ok
11 Correct 457 ms 18532 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 4204 KB Ok
2 Correct 15 ms 4204 KB Ok
3 Correct 16 ms 4224 KB Ok
4 Correct 16 ms 4208 KB Ok
5 Correct 17 ms 4204 KB Ok
6 Correct 16 ms 4204 KB Ok
7 Correct 16 ms 4224 KB Ok
8 Correct 16 ms 4224 KB Ok
9 Correct 17 ms 4332 KB Ok
10 Correct 16 ms 4204 KB Ok
11 Correct 16 ms 4204 KB Ok
12 Correct 17 ms 4204 KB Ok
13 Correct 5 ms 4204 KB Ok
14 Correct 9 ms 4204 KB Ok
15 Correct 10 ms 4204 KB Ok
16 Correct 10 ms 4204 KB Ok
17 Correct 11 ms 4204 KB Ok
18 Correct 13 ms 4332 KB Ok
19 Correct 11 ms 4204 KB Ok
20 Correct 12 ms 4204 KB Ok
21 Correct 13 ms 4204 KB Ok
22 Correct 12 ms 4204 KB Ok
23 Correct 11 ms 4204 KB Ok
24 Correct 29 ms 4332 KB Ok
25 Correct 27 ms 4460 KB Ok
26 Correct 27 ms 4332 KB Ok
27 Correct 29 ms 4460 KB Ok
28 Correct 26 ms 4332 KB Ok
29 Correct 27 ms 4332 KB Ok
30 Correct 26 ms 4332 KB Ok
31 Correct 27 ms 4332 KB Ok
32 Correct 27 ms 4332 KB Ok
33 Correct 27 ms 4332 KB Ok
34 Correct 34 ms 4588 KB Ok
35 Correct 34 ms 4588 KB Ok
36 Correct 35 ms 4588 KB Ok
37 Correct 33 ms 4588 KB Ok
38 Correct 34 ms 4588 KB Ok
39 Correct 33 ms 4588 KB Ok
40 Correct 36 ms 4844 KB Ok
41 Correct 32 ms 4588 KB Ok
42 Correct 34 ms 4608 KB Ok
43 Correct 34 ms 4588 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 4204 KB Ok
2 Correct 15 ms 4204 KB Ok
3 Correct 16 ms 4224 KB Ok
4 Correct 16 ms 4208 KB Ok
5 Correct 17 ms 4204 KB Ok
6 Correct 16 ms 4204 KB Ok
7 Correct 16 ms 4224 KB Ok
8 Correct 16 ms 4224 KB Ok
9 Correct 17 ms 4332 KB Ok
10 Correct 16 ms 4204 KB Ok
11 Correct 16 ms 4204 KB Ok
12 Correct 17 ms 4204 KB Ok
13 Correct 10 ms 4204 KB Ok
14 Correct 12 ms 4204 KB Ok
15 Correct 13 ms 4204 KB Ok
16 Correct 13 ms 4204 KB Ok
17 Correct 14 ms 4332 KB Ok
18 Correct 26 ms 4460 KB Ok
19 Correct 49 ms 5228 KB Ok
20 Correct 33 ms 4588 KB Ok
21 Correct 53 ms 5356 KB Ok
22 Correct 47 ms 4844 KB Ok
23 Correct 5 ms 4204 KB Ok
24 Correct 9 ms 4204 KB Ok
25 Correct 10 ms 4204 KB Ok
26 Correct 10 ms 4204 KB Ok
27 Correct 11 ms 4204 KB Ok
28 Correct 13 ms 4332 KB Ok
29 Correct 11 ms 4204 KB Ok
30 Correct 12 ms 4204 KB Ok
31 Correct 13 ms 4204 KB Ok
32 Correct 12 ms 4204 KB Ok
33 Correct 11 ms 4204 KB Ok
34 Correct 29 ms 4332 KB Ok
35 Correct 27 ms 4460 KB Ok
36 Correct 27 ms 4332 KB Ok
37 Correct 29 ms 4460 KB Ok
38 Correct 26 ms 4332 KB Ok
39 Correct 27 ms 4332 KB Ok
40 Correct 26 ms 4332 KB Ok
41 Correct 27 ms 4332 KB Ok
42 Correct 27 ms 4332 KB Ok
43 Correct 27 ms 4332 KB Ok
44 Correct 34 ms 4588 KB Ok
45 Correct 34 ms 4588 KB Ok
46 Correct 35 ms 4588 KB Ok
47 Correct 33 ms 4588 KB Ok
48 Correct 34 ms 4588 KB Ok
49 Correct 33 ms 4588 KB Ok
50 Correct 36 ms 4844 KB Ok
51 Correct 32 ms 4588 KB Ok
52 Correct 34 ms 4608 KB Ok
53 Correct 34 ms 4588 KB Ok
54 Correct 248 ms 8040 KB Ok
55 Correct 268 ms 8424 KB Ok
56 Correct 266 ms 8296 KB Ok
57 Correct 213 ms 7656 KB Ok
58 Correct 257 ms 8296 KB Ok
59 Correct 251 ms 8168 KB Ok
60 Correct 217 ms 7656 KB Ok
61 Correct 210 ms 7784 KB Ok
62 Correct 286 ms 8680 KB Ok
63 Correct 238 ms 8040 KB Ok
64 Correct 269 ms 8680 KB Ok
65 Correct 254 ms 8296 KB Ok
66 Correct 222 ms 8040 KB Ok
67 Correct 206 ms 7784 KB Ok
68 Correct 245 ms 8296 KB Ok
69 Correct 425 ms 15264 KB Ok
70 Correct 428 ms 15720 KB Ok
71 Correct 430 ms 15208 KB Ok
72 Correct 426 ms 15244 KB Ok
73 Correct 433 ms 15464 KB Ok
74 Correct 424 ms 15080 KB Ok
75 Correct 404 ms 15336 KB Ok
76 Correct 425 ms 15336 KB Ok
77 Correct 424 ms 15208 KB Ok
78 Correct 440 ms 15144 KB Ok
79 Correct 431 ms 15744 KB Ok
80 Correct 420 ms 15464 KB Ok
81 Correct 414 ms 15564 KB Ok
82 Correct 437 ms 15464 KB Ok
83 Correct 443 ms 15464 KB Ok

Subtask #7
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 4204 KB Ok
2 Correct 15 ms 4204 KB Ok
3 Correct 16 ms 4224 KB Ok
4 Correct 16 ms 4208 KB Ok
5 Correct 17 ms 4204 KB Ok
6 Correct 16 ms 4204 KB Ok
7 Correct 16 ms 4224 KB Ok
8 Correct 16 ms 4224 KB Ok
9 Correct 17 ms 4332 KB Ok
10 Correct 16 ms 4204 KB Ok
11 Correct 16 ms 4204 KB Ok
12 Correct 17 ms 4204 KB Ok
13 Correct 10 ms 4204 KB Ok
14 Correct 12 ms 4204 KB Ok
15 Correct 13 ms 4204 KB Ok
16 Correct 13 ms 4204 KB Ok
17 Correct 14 ms 4332 KB Ok
18 Correct 26 ms 4460 KB Ok
19 Correct 49 ms 5228 KB Ok
20 Correct 33 ms 4588 KB Ok
21 Correct 53 ms 5356 KB Ok
22 Correct 47 ms 4844 KB Ok
23 Correct 5 ms 4204 KB Ok
24 Correct 9 ms 4204 KB Ok
25 Correct 10 ms 4204 KB Ok
26 Correct 10 ms 4204 KB Ok
27 Correct 11 ms 4204 KB Ok
28 Correct 13 ms 4332 KB Ok
29 Correct 11 ms 4204 KB Ok
30 Correct 12 ms 4204 KB Ok
31 Correct 13 ms 4204 KB Ok
32 Correct 12 ms 4204 KB Ok
33 Correct 11 ms 4204 KB Ok
34 Correct 11 ms 4204 KB Ok
35 Correct 12 ms 4204 KB Ok
36 Correct 13 ms 4204 KB Ok
37 Correct 14 ms 4204 KB Ok
38 Correct 15 ms 4204 KB Ok
39 Correct 348 ms 15332 KB Ok
40 Correct 294 ms 15844 KB Ok
41 Correct 541 ms 18020 KB Ok
42 Correct 417 ms 18020 KB Ok
43 Correct 292 ms 11880 KB Ok
44 Correct 457 ms 18532 KB Ok
45 Correct 29 ms 4332 KB Ok
46 Correct 27 ms 4460 KB Ok
47 Correct 27 ms 4332 KB Ok
48 Correct 29 ms 4460 KB Ok
49 Correct 26 ms 4332 KB Ok
50 Correct 27 ms 4332 KB Ok
51 Correct 26 ms 4332 KB Ok
52 Correct 27 ms 4332 KB Ok
53 Correct 27 ms 4332 KB Ok
54 Correct 27 ms 4332 KB Ok
55 Correct 34 ms 4588 KB Ok
56 Correct 34 ms 4588 KB Ok
57 Correct 35 ms 4588 KB Ok
58 Correct 33 ms 4588 KB Ok
59 Correct 34 ms 4588 KB Ok
60 Correct 33 ms 4588 KB Ok
61 Correct 36 ms 4844 KB Ok
62 Correct 32 ms 4588 KB Ok
63 Correct 34 ms 4608 KB Ok
64 Correct 34 ms 4588 KB Ok
65 Correct 248 ms 8040 KB Ok
66 Correct 268 ms 8424 KB Ok
67 Correct 266 ms 8296 KB Ok
68 Correct 213 ms 7656 KB Ok
69 Correct 257 ms 8296 KB Ok
70 Correct 251 ms 8168 KB Ok
71 Correct 217 ms 7656 KB Ok
72 Correct 210 ms 7784 KB Ok
73 Correct 286 ms 8680 KB Ok
74 Correct 238 ms 8040 KB Ok
75 Correct 269 ms 8680 KB Ok
76 Correct 254 ms 8296 KB Ok
77 Correct 222 ms 8040 KB Ok
78 Correct 206 ms 7784 KB Ok
79 Correct 245 ms 8296 KB Ok
80 Correct 425 ms 15264 KB Ok
81 Correct 428 ms 15720 KB Ok
82 Correct 430 ms 15208 KB Ok
83 Correct 426 ms 15244 KB Ok
84 Correct 433 ms 15464 KB Ok
85 Correct 424 ms 15080 KB Ok
86 Correct 404 ms 15336 KB Ok
87 Correct 425 ms 15336 KB Ok
88 Correct 424 ms 15208 KB Ok
89 Correct 440 ms 15144 KB Ok
90 Correct 431 ms 15744 KB Ok
91 Correct 420 ms 15464 KB Ok
92 Correct 414 ms 15564 KB Ok
93 Correct 437 ms 15464 KB Ok
94 Correct 443 ms 15464 KB Ok
95 Correct 596 ms 13924 KB Ok
96 Correct 837 ms 18780 KB Ok
97 Correct 793 ms 17004 KB Ok
98 Correct 623 ms 15280 KB Ok
99 Correct 702 ms 15708 KB Ok
100 Correct 721 ms 16476 KB Ok
101 Correct 739 ms 16732 KB Ok
102 Correct 709 ms 16348 KB Ok
103 Correct 703 ms 17116 KB Ok
104 Correct 838 ms 18176 KB Ok
105 Correct 799 ms 18164 KB Ok
106 Correct 677 ms 16732 KB Ok
107 Correct 785 ms 17372 KB Ok
108 Correct 836 ms 18496 KB Ok
109 Correct 744 ms 18012 KB Ok
110 Correct 1726 ms 49424 KB Ok
111 Correct 1779 ms 51164 KB Ok
112 Correct 1824 ms 51432 KB Ok
113 Correct 1721 ms 49884 KB Ok
114 Correct 1768 ms 51760 KB Ok
115 Correct 1761 ms 51292 KB Ok
116 Correct 1748 ms 51796 KB Ok
117 Correct 1738 ms 50300 KB Ok
118 Correct 1750 ms 51816 KB Ok
119 Correct 1780 ms 49884 KB Ok
120 Correct 1779 ms 50396 KB Ok
121 Correct 1743 ms 50012 KB Ok
122 Correct 1734 ms 50780 KB Ok
123 Correct 1784 ms 50932 KB Ok
124 Correct 1707 ms 51932 KB Ok
125 Correct 1754 ms 33500 KB Ok