oj.uz

Submission #46527

# Submission time Handle Problem Language Result Execution time Memory
46527 2018-04-21T09:52:38 Z Bruteforceman Nice sequence (IZhO18_sequence) C++11
76 / 100
 239 ms 41148 KB 
#include "bits/stdc++.h"
using namespace std;
int N, M;
vector <int> g[400010];
int solution[400010], pref[400010];
int deg[400010];
int v[400010];
void solve(int size) {
	for(int i = 0; i <= size; i++) {
		g[i].clear();
		deg[i] = 0;
	}
	for(int i = N; i <= size; i++) {
		g[i].push_back(i - N);
		++deg[i - N];
	}
	for(int i = 0; i <= size - M; i++) {
		g[i].push_back(i + M);
		++deg[i + M];
	}
	queue <int> Q;
	for(int i = 0; i <= size; i++) {
		if(deg[i] == 0) {
			Q.push(i);
		}
	}
	int cnt = 0;
	while(!Q.empty()) {
		int x = Q.front();
		Q.pop();
		v[cnt++] = x;
		for(auto i : g[x]) {
			--deg[i];
			if(deg[i] == 0) {
				Q.push(i);
			}
		}
	}
	if(cnt == size + 1) {
		for(int i = 0; i < cnt; i++) {
			if(v[i] == 0) {
				int cur = 0;
				for(int j = i-1; j >= 0; j--) {
					pref[v[j]] = --cur; 
				}
				cur = 0;
				for(int j = i+1; j < cnt; j++) {
					pref[v[j]] = ++cur;
				}
				pref[v[i]] = 0;
				break;
			}
		}
		for(int i = 1; i <= size; i++) {
			solution[i] = pref[i] - pref[i - 1];
		}
	} else {
		assert(false);
	}
}

int main(int argc, char const *argv[])
{
	int test;
	scanf("%d", &test);
	for(int cs = 1; cs <= test; cs++) {
		scanf("%d %d", &N, &M);		
		int ans = 0;
		if(N == M) {
			ans = N-1;
		} else if (N > M) {
			int diff = N % M;
			for(int i = 0; i < M; i++) {
				ans = max(ans, (i * diff) % M);
			}
			ans += N - 1;
		} else {
			int diff = M % N;
			for(int i = 0; i < N; i++) {
				ans = max(ans, (i * diff) % N);
			}
			ans += M - 1;
		}
		solve(ans);
		printf("%d\n", ans);
		for(int i = 1; i <= ans; i++) {
			printf("%d ", solution[i]);
		}
		printf("\n");
	}
	return 0; 
}

Compilation message

sequence.cpp: In function 'int main(int, const char**)':
sequence.cpp:65:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &test);
  ~~~~~^~~~~~~~~~~~~
sequence.cpp:67:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &N, &M);  
   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 9 ms 9868 KB Ok
3 Correct 9 ms 9868 KB Ok
4 Correct 9 ms 9868 KB Ok
5 Correct 9 ms 9868 KB Ok
6 Correct 9 ms 9868 KB Ok
7 Correct 10 ms 9868 KB Ok
8 Correct 10 ms 9916 KB Ok
9 Correct 10 ms 9964 KB Ok
10 Correct 9 ms 9964 KB Ok
11 Correct 12 ms 10092 KB Ok
12 Correct 9 ms 10092 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 10092 KB Ok
2 Correct 11 ms 10092 KB Ok
3 Correct 9 ms 10092 KB Ok
4 Correct 9 ms 10092 KB Ok
5 Correct 9 ms 10092 KB Ok
6 Correct 11 ms 10108 KB Ok
7 Correct 22 ms 10748 KB Ok
8 Correct 14 ms 10748 KB Ok
9 Correct 22 ms 10908 KB Ok
10 Correct 16 ms 10908 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 10908 KB Ok
2 Correct 9 ms 10908 KB Ok
3 Correct 9 ms 10908 KB Ok
4 Correct 9 ms 10908 KB Ok
5 Correct 10 ms 10908 KB Ok
6 Correct 9 ms 10908 KB Ok
7 Correct 10 ms 10908 KB Ok
8 Correct 11 ms 10908 KB Ok
9 Correct 12 ms 10908 KB Ok
10 Correct 9 ms 10908 KB Ok
11 Correct 10 ms 10908 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 10908 KB Ok
2 Correct 12 ms 10908 KB Ok
3 Correct 10 ms 10908 KB Ok
4 Correct 10 ms 10908 KB Ok
5 Correct 9 ms 10908 KB Ok
6 Correct 117 ms 20592 KB Ok
7 Correct 113 ms 21380 KB Ok
8 Correct 174 ms 23340 KB Ok
9 Correct 149 ms 23340 KB Ok
10 Correct 94 ms 23340 KB Ok
11 Correct 170 ms 23340 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 9 ms 9868 KB Ok
3 Correct 9 ms 9868 KB Ok
4 Correct 9 ms 9868 KB Ok
5 Correct 9 ms 9868 KB Ok
6 Correct 9 ms 9868 KB Ok
7 Correct 10 ms 9868 KB Ok
8 Correct 10 ms 9916 KB Ok
9 Correct 10 ms 9964 KB Ok
10 Correct 9 ms 9964 KB Ok
11 Correct 12 ms 10092 KB Ok
12 Correct 9 ms 10092 KB Ok
13 Correct 10 ms 10908 KB Ok
14 Correct 9 ms 10908 KB Ok
15 Correct 9 ms 10908 KB Ok
16 Correct 9 ms 10908 KB Ok
17 Correct 10 ms 10908 KB Ok
18 Correct 9 ms 10908 KB Ok
19 Correct 10 ms 10908 KB Ok
20 Correct 11 ms 10908 KB Ok
21 Correct 12 ms 10908 KB Ok
22 Correct 9 ms 10908 KB Ok
23 Correct 10 ms 10908 KB Ok
24 Correct 12 ms 23340 KB Ok
25 Correct 11 ms 23340 KB Ok
26 Correct 14 ms 23340 KB Ok
27 Correct 11 ms 23340 KB Ok
28 Correct 15 ms 23340 KB Ok
29 Correct 11 ms 23340 KB Ok
30 Correct 12 ms 23340 KB Ok
31 Correct 15 ms 23340 KB Ok
32 Correct 16 ms 23340 KB Ok
33 Correct 14 ms 23340 KB Ok
34 Correct 15 ms 23340 KB Ok
35 Correct 19 ms 23340 KB Ok
36 Correct 15 ms 23340 KB Ok
37 Correct 17 ms 23340 KB Ok
38 Correct 18 ms 23340 KB Ok
39 Correct 13 ms 23340 KB Ok
40 Correct 14 ms 23340 KB Ok
41 Correct 14 ms 23340 KB Ok
42 Correct 14 ms 23340 KB Ok
43 Correct 14 ms 23340 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 9 ms 9868 KB Ok
3 Correct 9 ms 9868 KB Ok
4 Correct 9 ms 9868 KB Ok
5 Correct 9 ms 9868 KB Ok
6 Correct 9 ms 9868 KB Ok
7 Correct 10 ms 9868 KB Ok
8 Correct 10 ms 9916 KB Ok
9 Correct 10 ms 9964 KB Ok
10 Correct 9 ms 9964 KB Ok
11 Correct 12 ms 10092 KB Ok
12 Correct 9 ms 10092 KB Ok
13 Correct 9 ms 10092 KB Ok
14 Correct 11 ms 10092 KB Ok
15 Correct 9 ms 10092 KB Ok
16 Correct 9 ms 10092 KB Ok
17 Correct 9 ms 10092 KB Ok
18 Correct 11 ms 10108 KB Ok
19 Correct 22 ms 10748 KB Ok
20 Correct 14 ms 10748 KB Ok
21 Correct 22 ms 10908 KB Ok
22 Correct 16 ms 10908 KB Ok
23 Correct 10 ms 10908 KB Ok
24 Correct 9 ms 10908 KB Ok
25 Correct 9 ms 10908 KB Ok
26 Correct 9 ms 10908 KB Ok
27 Correct 10 ms 10908 KB Ok
28 Correct 9 ms 10908 KB Ok
29 Correct 10 ms 10908 KB Ok
30 Correct 11 ms 10908 KB Ok
31 Correct 12 ms 10908 KB Ok
32 Correct 9 ms 10908 KB Ok
33 Correct 10 ms 10908 KB Ok
34 Correct 12 ms 23340 KB Ok
35 Correct 11 ms 23340 KB Ok
36 Correct 14 ms 23340 KB Ok
37 Correct 11 ms 23340 KB Ok
38 Correct 15 ms 23340 KB Ok
39 Correct 11 ms 23340 KB Ok
40 Correct 12 ms 23340 KB Ok
41 Correct 15 ms 23340 KB Ok
42 Correct 16 ms 23340 KB Ok
43 Correct 14 ms 23340 KB Ok
44 Correct 15 ms 23340 KB Ok
45 Correct 19 ms 23340 KB Ok
46 Correct 15 ms 23340 KB Ok
47 Correct 17 ms 23340 KB Ok
48 Correct 18 ms 23340 KB Ok
49 Correct 13 ms 23340 KB Ok
50 Correct 14 ms 23340 KB Ok
51 Correct 14 ms 23340 KB Ok
52 Correct 14 ms 23340 KB Ok
53 Correct 14 ms 23340 KB Ok
54 Correct 104 ms 23340 KB Ok
55 Correct 104 ms 23340 KB Ok
56 Correct 96 ms 23340 KB Ok
57 Correct 89 ms 23340 KB Ok
58 Correct 84 ms 23340 KB Ok
59 Correct 95 ms 23340 KB Ok
60 Correct 78 ms 23340 KB Ok
61 Correct 101 ms 23340 KB Ok
62 Correct 109 ms 23340 KB Ok
63 Correct 92 ms 23340 KB Ok
64 Correct 98 ms 23340 KB Ok
65 Correct 100 ms 23340 KB Ok
66 Correct 84 ms 23340 KB Ok
67 Correct 82 ms 23340 KB Ok
68 Correct 95 ms 23340 KB Ok
69 Correct 196 ms 23340 KB Ok
70 Correct 205 ms 23340 KB Ok
71 Correct 185 ms 23340 KB Ok
72 Correct 181 ms 23340 KB Ok
73 Correct 205 ms 23340 KB Ok
74 Correct 153 ms 23340 KB Ok
75 Correct 172 ms 23340 KB Ok
76 Correct 185 ms 23340 KB Ok
77 Correct 146 ms 23340 KB Ok
78 Correct 188 ms 23340 KB Ok
79 Correct 175 ms 23340 KB Ok
80 Correct 217 ms 23340 KB Ok
81 Correct 203 ms 23340 KB Ok
82 Correct 196 ms 23340 KB Ok
83 Correct 167 ms 23340 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 9 ms 9868 KB Ok
3 Correct 9 ms 9868 KB Ok
4 Correct 9 ms 9868 KB Ok
5 Correct 9 ms 9868 KB Ok
6 Correct 9 ms 9868 KB Ok
7 Correct 10 ms 9868 KB Ok
8 Correct 10 ms 9916 KB Ok
9 Correct 10 ms 9964 KB Ok
10 Correct 9 ms 9964 KB Ok
11 Correct 12 ms 10092 KB Ok
12 Correct 9 ms 10092 KB Ok
13 Correct 9 ms 10092 KB Ok
14 Correct 11 ms 10092 KB Ok
15 Correct 9 ms 10092 KB Ok
16 Correct 9 ms 10092 KB Ok
17 Correct 9 ms 10092 KB Ok
18 Correct 11 ms 10108 KB Ok
19 Correct 22 ms 10748 KB Ok
20 Correct 14 ms 10748 KB Ok
21 Correct 22 ms 10908 KB Ok
22 Correct 16 ms 10908 KB Ok
23 Correct 10 ms 10908 KB Ok
24 Correct 9 ms 10908 KB Ok
25 Correct 9 ms 10908 KB Ok
26 Correct 9 ms 10908 KB Ok
27 Correct 10 ms 10908 KB Ok
28 Correct 9 ms 10908 KB Ok
29 Correct 10 ms 10908 KB Ok
30 Correct 11 ms 10908 KB Ok
31 Correct 12 ms 10908 KB Ok
32 Correct 9 ms 10908 KB Ok
33 Correct 10 ms 10908 KB Ok
34 Correct 10 ms 10908 KB Ok
35 Correct 12 ms 10908 KB Ok
36 Correct 10 ms 10908 KB Ok
37 Correct 10 ms 10908 KB Ok
38 Correct 9 ms 10908 KB Ok
39 Correct 117 ms 20592 KB Ok
40 Correct 113 ms 21380 KB Ok
41 Correct 174 ms 23340 KB Ok
42 Correct 149 ms 23340 KB Ok
43 Correct 94 ms 23340 KB Ok
44 Correct 170 ms 23340 KB Ok
45 Correct 12 ms 23340 KB Ok
46 Correct 11 ms 23340 KB Ok
47 Correct 14 ms 23340 KB Ok
48 Correct 11 ms 23340 KB Ok
49 Correct 15 ms 23340 KB Ok
50 Correct 11 ms 23340 KB Ok
51 Correct 12 ms 23340 KB Ok
52 Correct 15 ms 23340 KB Ok
53 Correct 16 ms 23340 KB Ok
54 Correct 14 ms 23340 KB Ok
55 Correct 15 ms 23340 KB Ok
56 Correct 19 ms 23340 KB Ok
57 Correct 15 ms 23340 KB Ok
58 Correct 17 ms 23340 KB Ok
59 Correct 18 ms 23340 KB Ok
60 Correct 13 ms 23340 KB Ok
61 Correct 14 ms 23340 KB Ok
62 Correct 14 ms 23340 KB Ok
63 Correct 14 ms 23340 KB Ok
64 Correct 14 ms 23340 KB Ok
65 Correct 104 ms 23340 KB Ok
66 Correct 104 ms 23340 KB Ok
67 Correct 96 ms 23340 KB Ok
68 Correct 89 ms 23340 KB Ok
69 Correct 84 ms 23340 KB Ok
70 Correct 95 ms 23340 KB Ok
71 Correct 78 ms 23340 KB Ok
72 Correct 101 ms 23340 KB Ok
73 Correct 109 ms 23340 KB Ok
74 Correct 92 ms 23340 KB Ok
75 Correct 98 ms 23340 KB Ok
76 Correct 100 ms 23340 KB Ok
77 Correct 84 ms 23340 KB Ok
78 Correct 82 ms 23340 KB Ok
79 Correct 95 ms 23340 KB Ok
80 Correct 196 ms 23340 KB Ok
81 Correct 205 ms 23340 KB Ok
82 Correct 185 ms 23340 KB Ok
83 Correct 181 ms 23340 KB Ok
84 Correct 205 ms 23340 KB Ok
85 Correct 153 ms 23340 KB Ok
86 Correct 172 ms 23340 KB Ok
87 Correct 185 ms 23340 KB Ok
88 Correct 146 ms 23340 KB Ok
89 Correct 188 ms 23340 KB Ok
90 Correct 175 ms 23340 KB Ok
91 Correct 217 ms 23340 KB Ok
92 Correct 203 ms 23340 KB Ok
93 Correct 196 ms 23340 KB Ok
94 Correct 167 ms 23340 KB Ok
95 Correct 239 ms 24688 KB Ok
96 Runtime error 61 ms 41148 KB Execution killed with signal 11 (could be triggered by violating memory limits)
97 Halted 0 ms 0 KB -