oj.uz

Submission #237484

# Submission time Handle Problem Language Result Execution time Memory
237484 2020-06-07T01:59:47 Z _7_7_ Nice sequence (IZhO18_sequence) C++14
76 / 100
 2000 ms 42508 KB 
#include <bits/stdc++.h>                                           
 
//#define int long long
//#pragma GCC optimize("Ofast")
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
 
 
#define file(s) freopen(s".in","r",stdin); freopen(s".out","w",stdout);
#define forev(i, b, a) for(int i = (b); i >= (a); --i)
#define forn(i, a, b) for(int i = (a); i <= (b); ++i)
#define all(x) x.begin(), x.end()
#define sz(s) (int)s.size()
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define s second
#define f first
 
 
using namespace std;
 
 
typedef pair < long long, long long > pll;    
typedef pair < int, int > pii;
typedef unsigned long long ull;         
typedef vector < pii > vpii;
typedef vector < int > vi;
typedef long double ldb;  
typedef long long ll;  
typedef double db;                             
 
 
const int inf = 1e9, maxn = 4e5 + 148, mod = 1e9 + 7, N = 4e5 + 11;
const int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, 1, -1}, block = 555;
const pii base = mp(1171, 3307), Mod = mp(1e9 + 7, 1e9 + 9);
const db eps = 1e-12, pi = 3.14159265359;
const ll INF = 1e18;


int T, n, m, timer, t[N], c[N];
bool cycle;
vi g[N];


void dfs (int v) {
	c[v] = 1;
	for (auto to : g[v]) {
		if (!c[to])  
			dfs(to);
		if (c[to] == 1)	 {
			cycle = 1;	
			return;
		}
	}
	t[v] = ++timer;
	c[v] = 2;
}

	
inline bool check (int k) {
    for (int i = 0; i <= k; ++i) 
    	g[i].clear();
    

	for (int i = 0; i <= k; ++i) {
		t[i] = 0; 
		c[i] = 0;
		if (i - n >= 0)
			g[i - n].pb(i);
		if (i - m >= 0)
			g[i].pb(i - m);
	}



	timer = 0;
	cycle = 0;

	for (int i = 0; i <= k && !cycle; ++i)
		if (!c[i])
			dfs(i);

	return cycle ^ 1;

}

main () {
	cin >> T;
	while (T--) {
		cin >> n >> m;
		int l = 1, r = n + m, res = 0;
		while (l <= r) {
			int mid = (l + r) >> 1;
			if (check(mid)) {
				l = mid + 1;
				res = mid;
			} else
				r = mid - 1;				
		}

		check(res);
		printf("%d\n", res);
		for (int i = 1; i <= res; ++i)
			printf("%d ", t[i] - t[i - 1]);
		printf("\n");
	}
}

Compilation message

sequence.cpp: In function 'bool check(int)':
sequence.cpp:62:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for (int i = 0; i <= k; ++i) 
     ^~~
sequence.cpp:66:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  for (int i = 0; i <= k; ++i) {
  ^~~
sequence.cpp: At global scope:
sequence.cpp:88:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Ok
2 Correct 10 ms 9728 KB Ok
3 Correct 11 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 12 ms 9728 KB Ok
6 Correct 10 ms 9728 KB Ok
7 Correct 10 ms 9728 KB Ok
8 Correct 10 ms 9728 KB Ok
9 Correct 10 ms 9728 KB Ok
10 Correct 10 ms 9728 KB Ok
11 Correct 10 ms 9728 KB Ok
12 Correct 10 ms 9728 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Ok
2 Correct 11 ms 9728 KB Ok
3 Correct 10 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 10 ms 9728 KB Ok
6 Correct 15 ms 9984 KB Ok
7 Correct 35 ms 10872 KB Ok
8 Correct 22 ms 10240 KB Ok
9 Correct 40 ms 11016 KB Ok
10 Correct 26 ms 10496 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Ok
2 Correct 10 ms 9728 KB Ok
3 Correct 10 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 10 ms 9728 KB Ok
6 Correct 14 ms 9728 KB Ok
7 Correct 10 ms 9728 KB Ok
8 Correct 10 ms 9728 KB Ok
9 Correct 10 ms 9716 KB Ok
10 Correct 12 ms 9728 KB Ok
11 Correct 10 ms 9728 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Ok
2 Correct 10 ms 9728 KB Ok
3 Correct 10 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 10 ms 9728 KB Ok
6 Correct 356 ms 26744 KB Ok
7 Correct 330 ms 28792 KB Ok
8 Correct 683 ms 31616 KB Ok
9 Correct 449 ms 28900 KB Ok
10 Correct 205 ms 20348 KB Ok
11 Correct 357 ms 30200 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Ok
2 Correct 10 ms 9728 KB Ok
3 Correct 11 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 12 ms 9728 KB Ok
6 Correct 10 ms 9728 KB Ok
7 Correct 10 ms 9728 KB Ok
8 Correct 10 ms 9728 KB Ok
9 Correct 10 ms 9728 KB Ok
10 Correct 10 ms 9728 KB Ok
11 Correct 10 ms 9728 KB Ok
12 Correct 10 ms 9728 KB Ok
13 Correct 10 ms 9728 KB Ok
14 Correct 10 ms 9728 KB Ok
15 Correct 10 ms 9728 KB Ok
16 Correct 10 ms 9728 KB Ok
17 Correct 10 ms 9728 KB Ok
18 Correct 14 ms 9728 KB Ok
19 Correct 10 ms 9728 KB Ok
20 Correct 10 ms 9728 KB Ok
21 Correct 10 ms 9716 KB Ok
22 Correct 12 ms 9728 KB Ok
23 Correct 10 ms 9728 KB Ok
24 Correct 14 ms 9984 KB Ok
25 Correct 16 ms 9856 KB Ok
26 Correct 14 ms 9856 KB Ok
27 Correct 14 ms 9856 KB Ok
28 Correct 13 ms 9856 KB Ok
29 Correct 13 ms 9856 KB Ok
30 Correct 13 ms 9856 KB Ok
31 Correct 14 ms 9856 KB Ok
32 Correct 15 ms 9856 KB Ok
33 Correct 13 ms 9856 KB Ok
34 Correct 20 ms 10216 KB Ok
35 Correct 20 ms 10164 KB Ok
36 Correct 21 ms 10240 KB Ok
37 Correct 21 ms 10240 KB Ok
38 Correct 20 ms 10240 KB Ok
39 Correct 20 ms 10240 KB Ok
40 Correct 21 ms 10240 KB Ok
41 Correct 20 ms 10240 KB Ok
42 Correct 20 ms 10240 KB Ok
43 Correct 21 ms 10240 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Ok
2 Correct 10 ms 9728 KB Ok
3 Correct 11 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 12 ms 9728 KB Ok
6 Correct 10 ms 9728 KB Ok
7 Correct 10 ms 9728 KB Ok
8 Correct 10 ms 9728 KB Ok
9 Correct 10 ms 9728 KB Ok
10 Correct 10 ms 9728 KB Ok
11 Correct 10 ms 9728 KB Ok
12 Correct 10 ms 9728 KB Ok
13 Correct 10 ms 9728 KB Ok
14 Correct 11 ms 9728 KB Ok
15 Correct 10 ms 9728 KB Ok
16 Correct 10 ms 9728 KB Ok
17 Correct 10 ms 9728 KB Ok
18 Correct 15 ms 9984 KB Ok
19 Correct 35 ms 10872 KB Ok
20 Correct 22 ms 10240 KB Ok
21 Correct 40 ms 11016 KB Ok
22 Correct 26 ms 10496 KB Ok
23 Correct 10 ms 9728 KB Ok
24 Correct 10 ms 9728 KB Ok
25 Correct 10 ms 9728 KB Ok
26 Correct 10 ms 9728 KB Ok
27 Correct 10 ms 9728 KB Ok
28 Correct 14 ms 9728 KB Ok
29 Correct 10 ms 9728 KB Ok
30 Correct 10 ms 9728 KB Ok
31 Correct 10 ms 9716 KB Ok
32 Correct 12 ms 9728 KB Ok
33 Correct 10 ms 9728 KB Ok
34 Correct 14 ms 9984 KB Ok
35 Correct 16 ms 9856 KB Ok
36 Correct 14 ms 9856 KB Ok
37 Correct 14 ms 9856 KB Ok
38 Correct 13 ms 9856 KB Ok
39 Correct 13 ms 9856 KB Ok
40 Correct 13 ms 9856 KB Ok
41 Correct 14 ms 9856 KB Ok
42 Correct 15 ms 9856 KB Ok
43 Correct 13 ms 9856 KB Ok
44 Correct 20 ms 10216 KB Ok
45 Correct 20 ms 10164 KB Ok
46 Correct 21 ms 10240 KB Ok
47 Correct 21 ms 10240 KB Ok
48 Correct 20 ms 10240 KB Ok
49 Correct 20 ms 10240 KB Ok
50 Correct 21 ms 10240 KB Ok
51 Correct 20 ms 10240 KB Ok
52 Correct 20 ms 10240 KB Ok
53 Correct 21 ms 10240 KB Ok
54 Correct 216 ms 14968 KB Ok
55 Correct 272 ms 15352 KB Ok
56 Correct 264 ms 15352 KB Ok
57 Correct 163 ms 14456 KB Ok
58 Correct 209 ms 14840 KB Ok
59 Correct 173 ms 14456 KB Ok
60 Correct 151 ms 14072 KB Ok
61 Correct 164 ms 14656 KB Ok
62 Correct 225 ms 15096 KB Ok
63 Correct 180 ms 14456 KB Ok
64 Correct 259 ms 15352 KB Ok
65 Correct 205 ms 14968 KB Ok
66 Correct 184 ms 14712 KB Ok
67 Correct 181 ms 14640 KB Ok
68 Correct 192 ms 14840 KB Ok
69 Correct 1073 ms 24568 KB Ok
70 Correct 927 ms 24824 KB Ok
71 Correct 1018 ms 24312 KB Ok
72 Correct 996 ms 24312 KB Ok
73 Correct 771 ms 24508 KB Ok
74 Correct 1112 ms 24312 KB Ok
75 Correct 1074 ms 23804 KB Ok
76 Correct 1008 ms 24672 KB Ok
77 Correct 1063 ms 24056 KB Ok
78 Correct 953 ms 24404 KB Ok
79 Correct 989 ms 24568 KB Ok
80 Correct 1094 ms 24568 KB Ok
81 Correct 1265 ms 24568 KB Ok
82 Correct 964 ms 24568 KB Ok
83 Correct 1004 ms 24160 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Ok
2 Correct 10 ms 9728 KB Ok
3 Correct 11 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 12 ms 9728 KB Ok
6 Correct 10 ms 9728 KB Ok
7 Correct 10 ms 9728 KB Ok
8 Correct 10 ms 9728 KB Ok
9 Correct 10 ms 9728 KB Ok
10 Correct 10 ms 9728 KB Ok
11 Correct 10 ms 9728 KB Ok
12 Correct 10 ms 9728 KB Ok
13 Correct 10 ms 9728 KB Ok
14 Correct 11 ms 9728 KB Ok
15 Correct 10 ms 9728 KB Ok
16 Correct 10 ms 9728 KB Ok
17 Correct 10 ms 9728 KB Ok
18 Correct 15 ms 9984 KB Ok
19 Correct 35 ms 10872 KB Ok
20 Correct 22 ms 10240 KB Ok
21 Correct 40 ms 11016 KB Ok
22 Correct 26 ms 10496 KB Ok
23 Correct 10 ms 9728 KB Ok
24 Correct 10 ms 9728 KB Ok
25 Correct 10 ms 9728 KB Ok
26 Correct 10 ms 9728 KB Ok
27 Correct 10 ms 9728 KB Ok
28 Correct 14 ms 9728 KB Ok
29 Correct 10 ms 9728 KB Ok
30 Correct 10 ms 9728 KB Ok
31 Correct 10 ms 9716 KB Ok
32 Correct 12 ms 9728 KB Ok
33 Correct 10 ms 9728 KB Ok
34 Correct 10 ms 9728 KB Ok
35 Correct 10 ms 9728 KB Ok
36 Correct 10 ms 9728 KB Ok
37 Correct 10 ms 9728 KB Ok
38 Correct 10 ms 9728 KB Ok
39 Correct 356 ms 26744 KB Ok
40 Correct 330 ms 28792 KB Ok
41 Correct 683 ms 31616 KB Ok
42 Correct 449 ms 28900 KB Ok
43 Correct 205 ms 20348 KB Ok
44 Correct 357 ms 30200 KB Ok
45 Correct 14 ms 9984 KB Ok
46 Correct 16 ms 9856 KB Ok
47 Correct 14 ms 9856 KB Ok
48 Correct 14 ms 9856 KB Ok
49 Correct 13 ms 9856 KB Ok
50 Correct 13 ms 9856 KB Ok
51 Correct 13 ms 9856 KB Ok
52 Correct 14 ms 9856 KB Ok
53 Correct 15 ms 9856 KB Ok
54 Correct 13 ms 9856 KB Ok
55 Correct 20 ms 10216 KB Ok
56 Correct 20 ms 10164 KB Ok
57 Correct 21 ms 10240 KB Ok
58 Correct 21 ms 10240 KB Ok
59 Correct 20 ms 10240 KB Ok
60 Correct 20 ms 10240 KB Ok
61 Correct 21 ms 10240 KB Ok
62 Correct 20 ms 10240 KB Ok
63 Correct 20 ms 10240 KB Ok
64 Correct 21 ms 10240 KB Ok
65 Correct 216 ms 14968 KB Ok
66 Correct 272 ms 15352 KB Ok
67 Correct 264 ms 15352 KB Ok
68 Correct 163 ms 14456 KB Ok
69 Correct 209 ms 14840 KB Ok
70 Correct 173 ms 14456 KB Ok
71 Correct 151 ms 14072 KB Ok
72 Correct 164 ms 14656 KB Ok
73 Correct 225 ms 15096 KB Ok
74 Correct 180 ms 14456 KB Ok
75 Correct 259 ms 15352 KB Ok
76 Correct 205 ms 14968 KB Ok
77 Correct 184 ms 14712 KB Ok
78 Correct 181 ms 14640 KB Ok
79 Correct 192 ms 14840 KB Ok
80 Correct 1073 ms 24568 KB Ok
81 Correct 927 ms 24824 KB Ok
82 Correct 1018 ms 24312 KB Ok
83 Correct 996 ms 24312 KB Ok
84 Correct 771 ms 24508 KB Ok
85 Correct 1112 ms 24312 KB Ok
86 Correct 1074 ms 23804 KB Ok
87 Correct 1008 ms 24672 KB Ok
88 Correct 1063 ms 24056 KB Ok
89 Correct 953 ms 24404 KB Ok
90 Correct 989 ms 24568 KB Ok
91 Correct 1094 ms 24568 KB Ok
92 Correct 1265 ms 24568 KB Ok
93 Correct 964 ms 24568 KB Ok
94 Correct 1004 ms 24160 KB Ok
95 Correct 685 ms 23472 KB Ok
96 Correct 944 ms 29564 KB Ok
97 Correct 883 ms 26360 KB Ok
98 Correct 507 ms 26104 KB Ok
99 Correct 747 ms 25816 KB Ok
100 Correct 765 ms 25224 KB Ok
101 Correct 753 ms 27896 KB Ok
102 Correct 804 ms 26104 KB Ok
103 Correct 728 ms 27228 KB Ok
104 Correct 1020 ms 29152 KB Ok
105 Correct 925 ms 29432 KB Ok
106 Correct 819 ms 29288 KB Ok
107 Correct 781 ms 28148 KB Ok
108 Correct 1120 ms 28920 KB Ok
109 Correct 946 ms 30072 KB Ok
110 Execution timed out 2090 ms 42508 KB Time limit exceeded
111 Halted 0 ms 0 KB -