oj.uz

Submission #237483

# Submission time Handle Problem Language Result Execution time Memory
237483 2020-06-07T01:55:55 Z _7_7_ Nice sequence (IZhO18_sequence) C++14
76 / 100
 2000 ms 39736 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 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 int inf = 1e9, maxn = 4e5 + 148, mod = 1e9 + 7, N = 4e5 + 11;
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;						
	}
	t[v] = ++timer;
	c[v] = 2;
}


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; ++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:60:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for (int i = 0; i <= k; ++i) 
     ^~~
sequence.cpp:64:2: 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:86:7: 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 10 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 10 ms 9728 KB Ok
6 Correct 11 ms 9600 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 12 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 9984 KB Ok
7 Correct 34 ms 10872 KB Ok
8 Correct 21 ms 10240 KB Ok
9 Correct 37 ms 11076 KB Ok
10 Correct 27 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 10 ms 9728 KB Ok
7 Correct 10 ms 9728 KB Ok
8 Correct 11 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

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 374 ms 26848 KB Ok
7 Correct 332 ms 28792 KB Ok
8 Correct 747 ms 31608 KB Ok
9 Correct 427 ms 28920 KB Ok
10 Correct 222 ms 20344 KB Ok
11 Correct 369 ms 30328 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 10 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 10 ms 9728 KB Ok
6 Correct 11 ms 9600 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 10 ms 9728 KB Ok
19 Correct 10 ms 9728 KB Ok
20 Correct 11 ms 9728 KB Ok
21 Correct 10 ms 9728 KB Ok
22 Correct 10 ms 9728 KB Ok
23 Correct 10 ms 9728 KB Ok
24 Correct 14 ms 9856 KB Ok
25 Correct 14 ms 9984 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 9984 KB Ok
32 Correct 15 ms 9856 KB Ok
33 Correct 14 ms 9856 KB Ok
34 Correct 20 ms 10112 KB Ok
35 Correct 21 ms 10240 KB Ok
36 Correct 21 ms 10368 KB Ok
37 Correct 20 ms 10240 KB Ok
38 Correct 21 ms 10240 KB Ok
39 Correct 20 ms 10112 KB Ok
40 Correct 23 ms 10240 KB Ok
41 Correct 21 ms 10240 KB Ok
42 Correct 21 ms 10232 KB Ok
43 Correct 23 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 10 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 10 ms 9728 KB Ok
6 Correct 11 ms 9600 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 12 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 9984 KB Ok
19 Correct 34 ms 10872 KB Ok
20 Correct 21 ms 10240 KB Ok
21 Correct 37 ms 11076 KB Ok
22 Correct 27 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 10 ms 9728 KB Ok
29 Correct 10 ms 9728 KB Ok
30 Correct 11 ms 9728 KB Ok
31 Correct 10 ms 9728 KB Ok
32 Correct 10 ms 9728 KB Ok
33 Correct 10 ms 9728 KB Ok
34 Correct 14 ms 9856 KB Ok
35 Correct 14 ms 9984 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 9984 KB Ok
42 Correct 15 ms 9856 KB Ok
43 Correct 14 ms 9856 KB Ok
44 Correct 20 ms 10112 KB Ok
45 Correct 21 ms 10240 KB Ok
46 Correct 21 ms 10368 KB Ok
47 Correct 20 ms 10240 KB Ok
48 Correct 21 ms 10240 KB Ok
49 Correct 20 ms 10112 KB Ok
50 Correct 23 ms 10240 KB Ok
51 Correct 21 ms 10240 KB Ok
52 Correct 21 ms 10232 KB Ok
53 Correct 23 ms 10240 KB Ok
54 Correct 251 ms 15080 KB Ok
55 Correct 343 ms 15552 KB Ok
56 Correct 310 ms 15544 KB Ok
57 Correct 200 ms 14456 KB Ok
58 Correct 239 ms 14924 KB Ok
59 Correct 200 ms 14456 KB Ok
60 Correct 174 ms 14072 KB Ok
61 Correct 203 ms 14584 KB Ok
62 Correct 270 ms 15096 KB Ok
63 Correct 227 ms 14584 KB Ok
64 Correct 310 ms 15352 KB Ok
65 Correct 255 ms 14980 KB Ok
66 Correct 227 ms 14712 KB Ok
67 Correct 209 ms 14712 KB Ok
68 Correct 214 ms 14840 KB Ok
69 Correct 1089 ms 24388 KB Ok
70 Correct 902 ms 24828 KB Ok
71 Correct 1041 ms 24440 KB Ok
72 Correct 1041 ms 24316 KB Ok
73 Correct 834 ms 24440 KB Ok
74 Correct 1089 ms 24440 KB Ok
75 Correct 1010 ms 23928 KB Ok
76 Correct 979 ms 24656 KB Ok
77 Correct 1214 ms 23928 KB Ok
78 Correct 1033 ms 24504 KB Ok
79 Correct 1040 ms 24568 KB Ok
80 Correct 1059 ms 24824 KB Ok
81 Correct 1238 ms 24544 KB Ok
82 Correct 1167 ms 24648 KB Ok
83 Correct 1077 ms 24136 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 10 ms 9728 KB Ok
4 Correct 10 ms 9728 KB Ok
5 Correct 10 ms 9728 KB Ok
6 Correct 11 ms 9600 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 12 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 9984 KB Ok
19 Correct 34 ms 10872 KB Ok
20 Correct 21 ms 10240 KB Ok
21 Correct 37 ms 11076 KB Ok
22 Correct 27 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 10 ms 9728 KB Ok
29 Correct 10 ms 9728 KB Ok
30 Correct 11 ms 9728 KB Ok
31 Correct 10 ms 9728 KB Ok
32 Correct 10 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 374 ms 26848 KB Ok
40 Correct 332 ms 28792 KB Ok
41 Correct 747 ms 31608 KB Ok
42 Correct 427 ms 28920 KB Ok
43 Correct 222 ms 20344 KB Ok
44 Correct 369 ms 30328 KB Ok
45 Correct 14 ms 9856 KB Ok
46 Correct 14 ms 9984 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 9984 KB Ok
53 Correct 15 ms 9856 KB Ok
54 Correct 14 ms 9856 KB Ok
55 Correct 20 ms 10112 KB Ok
56 Correct 21 ms 10240 KB Ok
57 Correct 21 ms 10368 KB Ok
58 Correct 20 ms 10240 KB Ok
59 Correct 21 ms 10240 KB Ok
60 Correct 20 ms 10112 KB Ok
61 Correct 23 ms 10240 KB Ok
62 Correct 21 ms 10240 KB Ok
63 Correct 21 ms 10232 KB Ok
64 Correct 23 ms 10240 KB Ok
65 Correct 251 ms 15080 KB Ok
66 Correct 343 ms 15552 KB Ok
67 Correct 310 ms 15544 KB Ok
68 Correct 200 ms 14456 KB Ok
69 Correct 239 ms 14924 KB Ok
70 Correct 200 ms 14456 KB Ok
71 Correct 174 ms 14072 KB Ok
72 Correct 203 ms 14584 KB Ok
73 Correct 270 ms 15096 KB Ok
74 Correct 227 ms 14584 KB Ok
75 Correct 310 ms 15352 KB Ok
76 Correct 255 ms 14980 KB Ok
77 Correct 227 ms 14712 KB Ok
78 Correct 209 ms 14712 KB Ok
79 Correct 214 ms 14840 KB Ok
80 Correct 1089 ms 24388 KB Ok
81 Correct 902 ms 24828 KB Ok
82 Correct 1041 ms 24440 KB Ok
83 Correct 1041 ms 24316 KB Ok
84 Correct 834 ms 24440 KB Ok
85 Correct 1089 ms 24440 KB Ok
86 Correct 1010 ms 23928 KB Ok
87 Correct 979 ms 24656 KB Ok
88 Correct 1214 ms 23928 KB Ok
89 Correct 1033 ms 24504 KB Ok
90 Correct 1040 ms 24568 KB Ok
91 Correct 1059 ms 24824 KB Ok
92 Correct 1238 ms 24544 KB Ok
93 Correct 1167 ms 24648 KB Ok
94 Correct 1077 ms 24136 KB Ok
95 Correct 824 ms 23672 KB Ok
96 Correct 1347 ms 29560 KB Ok
97 Correct 1012 ms 26360 KB Ok
98 Correct 642 ms 26104 KB Ok
99 Correct 894 ms 25640 KB Ok
100 Correct 935 ms 25208 KB Ok
101 Correct 890 ms 27896 KB Ok
102 Correct 977 ms 26232 KB Ok
103 Correct 868 ms 27256 KB Ok
104 Correct 1267 ms 28968 KB Ok
105 Correct 1170 ms 29252 KB Ok
106 Correct 1092 ms 29348 KB Ok
107 Correct 940 ms 28476 KB Ok
108 Correct 1525 ms 29132 KB Ok
109 Correct 1261 ms 30200 KB Ok
110 Execution timed out 2082 ms 39736 KB Time limit exceeded
111 Halted 0 ms 0 KB -