oj.uz

Submission #496578

# Submission time Handle Problem Language Result Execution time Memory
496578 2021-12-21T14:55:21 Z vinnipuh01 Nice sequence (IZhO18_sequence) C++17
76 / 100
 2000 ms 41668 KB 
#include <iostream>
#include <bits/stdc++.h>
#include <cmath>
#include <algorithm>
#include <vector>
#include <deque>
#include <set>
#include <stack>
#include <string>
#include <map>
#include <queue>
 
using namespace std;
 
const long long oo = 1000000000000000000;
 
long long int  sum, ans = 0, mx = 0, mn = 1000000000, num, pos;
 
 
/*
    ViHHiPuh
 
   (( `'-""``""-'` ))
     )-__-_.._-__-(
   / --- (o _ o) --- \
   \ .-* ( .0. ) *-. /
   _'-. ,_ '=' _, .-'_
  / `;#'#'# - #'#'#;` \
 \_)) -----'#'----- ((_/
      # --------- #
  '# ------- ------ #'
  /..-'# ------- #'-.\
  _\...-\'# -- #'/-.../_
  ((____)- '#' -(____))
 
 
    cout << fixed << setprecision(6) << x;
 
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
 
    freopen ( "sum.in", "r", stdin )
*/
 
int sz;
int n, m, p[ 400001 ], used[ 400001 ], nn[ 400001 ], mm[ 400001 ], ts[400001];
vector <int> vv;
 
inline void dfs( int u ) {
	used[ u ] = 1;
	for ( int i = 1; i <= 2; i ++ ) {
		int to;
		if ( ans )
			return;
		if ( i == 1 ) {
			if ( nn[ u ] >= 0 )
				to = nn[ u ];
			else
				continue;
		}
		else {
			if ( mm[ u ] >= 0 )
				to = mm[ u ];
			else
				continue;
		}
		if ( !used[ to ] )
			dfs( to );
		else if ( used[ to ] == 1 ) {
			ans = 1;
			return;
		}
	}
		if ( ans )
			return;
	used[ u ] = 2;
}
 
inline void dfs1( int u ) {
	used[ u ] = 1;
	for ( int i = 1; i <= 2; i ++ ) {
		int to;
		if ( i == 1 ) {
			if ( nn[ u ] >= 0 )
				to = nn[ u ];
			else
				continue;
		}
		else {
			if ( mm[ u ] >= 0 )
				to = mm[ u ];
			else
				continue;
		}
		if ( !used[ to ] )
			dfs1( to );
	}
	ts[sz++] = u ;
}
 
bool ok( int x ) {
	for ( int i = 0; i <= x; i ++ ) {
		used[ i ] = 0;
		nn[ i ] = -1;
		mm[ i ] = -1; 
		if ( i >= n )
			nn[ i - n ] = i;
		if ( i >= m )
			mm[ i ] = i - m; 
	}
	ans = 0;
	for ( int i = 0; i <= x; i ++ ) {
		if ( !used[ i ] )
			dfs( i );
	}
	if ( ans )
		return false;
	if ( sum ) {
		sz = 0;
		for ( int i = 0; i <= x; i ++ ) {
			p[ i ] = 0;
			used[ i ] = 0;
		}
		for ( int i = 0; i<= x; i ++ ) {
			if ( !used[ i ] )
				dfs1( i );
		}
		num = 0;
        for (int j = 0; j < sz; j++) {
          int i = ts[j];
          p[i] = ++num;
        }
		for ( int i = 1; i <= x; i ++ ) {
			p[ i ] -= p[ 0 ];
		}
		p[ 0 ] = 0;
	}
	return true;
}
 
int main () {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
	int t;
	cin >> t;
	int l, r, mid;
	while ( t -- ) {
		cin >> n >> m;
		mx = max( n, m );
		l = mx - 1;
		r = 400000;
		sum = 0;
		while ( r - l > 1 ) {
			mid = ( r + l ) / 2;
			if ( ok( mid ) )
				l = mid;
			else
				r = mid - 1;
		}
		if ( ok( r ) ) {
			sum = 1;
			ok( r );
			cout << r << "\n";
			for ( int i = 1; i <= r; i ++ )
				cout << p[ i ] - p[ i - 1 ] << " ";
		}
		else {
			sum = 1;
			ok( l );
			cout << l << "\n";
			for ( int i = 1; i <= l; i ++ )
				cout << p[ i ] - p[ i - 1 ] << " ";
		}
		cout << "\n";
	}
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 7884 KB Ok
2 Correct 21 ms 7876 KB Ok
3 Correct 13 ms 3020 KB Ok
4 Correct 12 ms 3020 KB Ok
5 Correct 12 ms 3052 KB Ok
6 Correct 13 ms 3916 KB Ok
7 Correct 12 ms 2940 KB Ok
8 Correct 13 ms 3916 KB Ok
9 Correct 12 ms 2764 KB Ok
10 Correct 14 ms 5196 KB Ok
11 Correct 13 ms 2892 KB Ok
12 Correct 12 ms 2844 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 5296 KB Ok
2 Correct 15 ms 5288 KB Ok
3 Correct 18 ms 5196 KB Ok
4 Correct 16 ms 5284 KB Ok
5 Correct 16 ms 5284 KB Ok
6 Correct 19 ms 5324 KB Ok
7 Correct 31 ms 5952 KB Ok
8 Correct 27 ms 5576 KB Ok
9 Correct 33 ms 5964 KB Ok
10 Correct 28 ms 5708 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7884 KB Ok
2 Correct 28 ms 7900 KB Ok
3 Correct 23 ms 5288 KB Ok
4 Correct 18 ms 4424 KB Ok
5 Correct 19 ms 7896 KB Ok
6 Correct 20 ms 7820 KB Ok
7 Correct 19 ms 7900 KB Ok
8 Correct 19 ms 7824 KB Ok
9 Correct 17 ms 7896 KB Ok
10 Correct 15 ms 5188 KB Ok
11 Correct 14 ms 4300 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 5288 KB Ok
2 Correct 14 ms 3424 KB Ok
3 Correct 13 ms 3080 KB Ok
4 Correct 13 ms 2988 KB Ok
5 Correct 13 ms 2892 KB Ok
6 Correct 190 ms 11840 KB Ok
7 Correct 180 ms 12272 KB Ok
8 Correct 318 ms 15300 KB Ok
9 Correct 235 ms 13636 KB Ok
10 Correct 128 ms 7804 KB Ok
11 Correct 209 ms 13380 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 7884 KB Ok
2 Correct 21 ms 7876 KB Ok
3 Correct 13 ms 3020 KB Ok
4 Correct 12 ms 3020 KB Ok
5 Correct 12 ms 3052 KB Ok
6 Correct 13 ms 3916 KB Ok
7 Correct 12 ms 2940 KB Ok
8 Correct 13 ms 3916 KB Ok
9 Correct 12 ms 2764 KB Ok
10 Correct 14 ms 5196 KB Ok
11 Correct 13 ms 2892 KB Ok
12 Correct 12 ms 2844 KB Ok
13 Correct 9 ms 7884 KB Ok
14 Correct 28 ms 7900 KB Ok
15 Correct 23 ms 5288 KB Ok
16 Correct 18 ms 4424 KB Ok
17 Correct 19 ms 7896 KB Ok
18 Correct 20 ms 7820 KB Ok
19 Correct 19 ms 7900 KB Ok
20 Correct 19 ms 7824 KB Ok
21 Correct 17 ms 7896 KB Ok
22 Correct 15 ms 5188 KB Ok
23 Correct 14 ms 4300 KB Ok
24 Correct 15 ms 2764 KB Ok
25 Correct 14 ms 2744 KB Ok
26 Correct 13 ms 2744 KB Ok
27 Correct 14 ms 2748 KB Ok
28 Correct 15 ms 2720 KB Ok
29 Correct 14 ms 2772 KB Ok
30 Correct 12 ms 2636 KB Ok
31 Correct 14 ms 2764 KB Ok
32 Correct 13 ms 2764 KB Ok
33 Correct 13 ms 2764 KB Ok
34 Correct 17 ms 2896 KB Ok
35 Correct 20 ms 2960 KB Ok
36 Correct 18 ms 2872 KB Ok
37 Correct 19 ms 2940 KB Ok
38 Correct 19 ms 2892 KB Ok
39 Correct 19 ms 2880 KB Ok
40 Correct 20 ms 2920 KB Ok
41 Correct 18 ms 2896 KB Ok
42 Correct 19 ms 2928 KB Ok
43 Correct 19 ms 2892 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 7884 KB Ok
2 Correct 21 ms 7876 KB Ok
3 Correct 13 ms 3020 KB Ok
4 Correct 12 ms 3020 KB Ok
5 Correct 12 ms 3052 KB Ok
6 Correct 13 ms 3916 KB Ok
7 Correct 12 ms 2940 KB Ok
8 Correct 13 ms 3916 KB Ok
9 Correct 12 ms 2764 KB Ok
10 Correct 14 ms 5196 KB Ok
11 Correct 13 ms 2892 KB Ok
12 Correct 12 ms 2844 KB Ok
13 Correct 18 ms 5296 KB Ok
14 Correct 15 ms 5288 KB Ok
15 Correct 18 ms 5196 KB Ok
16 Correct 16 ms 5284 KB Ok
17 Correct 16 ms 5284 KB Ok
18 Correct 19 ms 5324 KB Ok
19 Correct 31 ms 5952 KB Ok
20 Correct 27 ms 5576 KB Ok
21 Correct 33 ms 5964 KB Ok
22 Correct 28 ms 5708 KB Ok
23 Correct 9 ms 7884 KB Ok
24 Correct 28 ms 7900 KB Ok
25 Correct 23 ms 5288 KB Ok
26 Correct 18 ms 4424 KB Ok
27 Correct 19 ms 7896 KB Ok
28 Correct 20 ms 7820 KB Ok
29 Correct 19 ms 7900 KB Ok
30 Correct 19 ms 7824 KB Ok
31 Correct 17 ms 7896 KB Ok
32 Correct 15 ms 5188 KB Ok
33 Correct 14 ms 4300 KB Ok
34 Correct 15 ms 2764 KB Ok
35 Correct 14 ms 2744 KB Ok
36 Correct 13 ms 2744 KB Ok
37 Correct 14 ms 2748 KB Ok
38 Correct 15 ms 2720 KB Ok
39 Correct 14 ms 2772 KB Ok
40 Correct 12 ms 2636 KB Ok
41 Correct 14 ms 2764 KB Ok
42 Correct 13 ms 2764 KB Ok
43 Correct 13 ms 2764 KB Ok
44 Correct 17 ms 2896 KB Ok
45 Correct 20 ms 2960 KB Ok
46 Correct 18 ms 2872 KB Ok
47 Correct 19 ms 2940 KB Ok
48 Correct 19 ms 2892 KB Ok
49 Correct 19 ms 2880 KB Ok
50 Correct 20 ms 2920 KB Ok
51 Correct 18 ms 2896 KB Ok
52 Correct 19 ms 2928 KB Ok
53 Correct 19 ms 2892 KB Ok
54 Correct 111 ms 5248 KB Ok
55 Correct 132 ms 5592 KB Ok
56 Correct 131 ms 5628 KB Ok
57 Correct 93 ms 4824 KB Ok
58 Correct 117 ms 5124 KB Ok
59 Correct 105 ms 4888 KB Ok
60 Correct 90 ms 4704 KB Ok
61 Correct 95 ms 4932 KB Ok
62 Correct 123 ms 5332 KB Ok
63 Correct 101 ms 5044 KB Ok
64 Correct 142 ms 5696 KB Ok
65 Correct 123 ms 5296 KB Ok
66 Correct 109 ms 5080 KB Ok
67 Correct 95 ms 4964 KB Ok
68 Correct 131 ms 5124 KB Ok
69 Correct 305 ms 12236 KB Ok
70 Correct 374 ms 12972 KB Ok
71 Correct 309 ms 12412 KB Ok
72 Correct 338 ms 12352 KB Ok
73 Correct 341 ms 12300 KB Ok
74 Correct 306 ms 12132 KB Ok
75 Correct 337 ms 11808 KB Ok
76 Correct 367 ms 12612 KB Ok
77 Correct 287 ms 11760 KB Ok
78 Correct 376 ms 12376 KB Ok
79 Correct 341 ms 12428 KB Ok
80 Correct 318 ms 12496 KB Ok
81 Correct 342 ms 12380 KB Ok
82 Correct 313 ms 12368 KB Ok
83 Correct 285 ms 11852 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 7884 KB Ok
2 Correct 21 ms 7876 KB Ok
3 Correct 13 ms 3020 KB Ok
4 Correct 12 ms 3020 KB Ok
5 Correct 12 ms 3052 KB Ok
6 Correct 13 ms 3916 KB Ok
7 Correct 12 ms 2940 KB Ok
8 Correct 13 ms 3916 KB Ok
9 Correct 12 ms 2764 KB Ok
10 Correct 14 ms 5196 KB Ok
11 Correct 13 ms 2892 KB Ok
12 Correct 12 ms 2844 KB Ok
13 Correct 18 ms 5296 KB Ok
14 Correct 15 ms 5288 KB Ok
15 Correct 18 ms 5196 KB Ok
16 Correct 16 ms 5284 KB Ok
17 Correct 16 ms 5284 KB Ok
18 Correct 19 ms 5324 KB Ok
19 Correct 31 ms 5952 KB Ok
20 Correct 27 ms 5576 KB Ok
21 Correct 33 ms 5964 KB Ok
22 Correct 28 ms 5708 KB Ok
23 Correct 9 ms 7884 KB Ok
24 Correct 28 ms 7900 KB Ok
25 Correct 23 ms 5288 KB Ok
26 Correct 18 ms 4424 KB Ok
27 Correct 19 ms 7896 KB Ok
28 Correct 20 ms 7820 KB Ok
29 Correct 19 ms 7900 KB Ok
30 Correct 19 ms 7824 KB Ok
31 Correct 17 ms 7896 KB Ok
32 Correct 15 ms 5188 KB Ok
33 Correct 14 ms 4300 KB Ok
34 Correct 16 ms 5288 KB Ok
35 Correct 14 ms 3424 KB Ok
36 Correct 13 ms 3080 KB Ok
37 Correct 13 ms 2988 KB Ok
38 Correct 13 ms 2892 KB Ok
39 Correct 190 ms 11840 KB Ok
40 Correct 180 ms 12272 KB Ok
41 Correct 318 ms 15300 KB Ok
42 Correct 235 ms 13636 KB Ok
43 Correct 128 ms 7804 KB Ok
44 Correct 209 ms 13380 KB Ok
45 Correct 15 ms 2764 KB Ok
46 Correct 14 ms 2744 KB Ok
47 Correct 13 ms 2744 KB Ok
48 Correct 14 ms 2748 KB Ok
49 Correct 15 ms 2720 KB Ok
50 Correct 14 ms 2772 KB Ok
51 Correct 12 ms 2636 KB Ok
52 Correct 14 ms 2764 KB Ok
53 Correct 13 ms 2764 KB Ok
54 Correct 13 ms 2764 KB Ok
55 Correct 17 ms 2896 KB Ok
56 Correct 20 ms 2960 KB Ok
57 Correct 18 ms 2872 KB Ok
58 Correct 19 ms 2940 KB Ok
59 Correct 19 ms 2892 KB Ok
60 Correct 19 ms 2880 KB Ok
61 Correct 20 ms 2920 KB Ok
62 Correct 18 ms 2896 KB Ok
63 Correct 19 ms 2928 KB Ok
64 Correct 19 ms 2892 KB Ok
65 Correct 111 ms 5248 KB Ok
66 Correct 132 ms 5592 KB Ok
67 Correct 131 ms 5628 KB Ok
68 Correct 93 ms 4824 KB Ok
69 Correct 117 ms 5124 KB Ok
70 Correct 105 ms 4888 KB Ok
71 Correct 90 ms 4704 KB Ok
72 Correct 95 ms 4932 KB Ok
73 Correct 123 ms 5332 KB Ok
74 Correct 101 ms 5044 KB Ok
75 Correct 142 ms 5696 KB Ok
76 Correct 123 ms 5296 KB Ok
77 Correct 109 ms 5080 KB Ok
78 Correct 95 ms 4964 KB Ok
79 Correct 131 ms 5124 KB Ok
80 Correct 305 ms 12236 KB Ok
81 Correct 374 ms 12972 KB Ok
82 Correct 309 ms 12412 KB Ok
83 Correct 338 ms 12352 KB Ok
84 Correct 341 ms 12300 KB Ok
85 Correct 306 ms 12132 KB Ok
86 Correct 337 ms 11808 KB Ok
87 Correct 367 ms 12612 KB Ok
88 Correct 287 ms 11760 KB Ok
89 Correct 376 ms 12376 KB Ok
90 Correct 341 ms 12428 KB Ok
91 Correct 318 ms 12496 KB Ok
92 Correct 342 ms 12380 KB Ok
93 Correct 313 ms 12368 KB Ok
94 Correct 285 ms 11852 KB Ok
95 Correct 269 ms 9916 KB Ok
96 Correct 386 ms 13080 KB Ok
97 Correct 356 ms 11220 KB Ok
98 Correct 305 ms 10808 KB Ok
99 Correct 327 ms 10576 KB Ok
100 Correct 360 ms 10780 KB Ok
101 Correct 351 ms 11824 KB Ok
102 Correct 339 ms 11076 KB Ok
103 Correct 364 ms 11696 KB Ok
104 Correct 417 ms 13012 KB Ok
105 Correct 397 ms 12972 KB Ok
106 Correct 324 ms 12712 KB Ok
107 Correct 353 ms 12188 KB Ok
108 Correct 434 ms 12896 KB Ok
109 Correct 404 ms 13312 KB Ok
110 Execution timed out 2061 ms 41668 KB Time limit exceeded
111 Halted 0 ms 0 KB -