oj.uz

Submission #46528

# Submission time Handle Problem Language Result Execution time Memory
46528 2018-04-21T09:54:36 Z Bruteforceman Nice sequence (IZhO18_sequence) C++11
100 / 100
 1751 ms 56168 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++) {
				long long val = 1LL * i * diff;
				val %= M;
				ans = max(ans, (int) val);
			}
			ans += N - 1;
		} else {
			int diff = M % N;
			for(int i = 0; i < N; i++) {
				long long val = 1LL * i * diff;
				val %= N;
				ans = max(ans, (int) val);			}
			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 9 ms 9720 KB Ok
2 Correct 9 ms 9832 KB Ok
3 Correct 11 ms 9832 KB Ok
4 Correct 11 ms 9832 KB Ok
5 Correct 10 ms 9960 KB Ok
6 Correct 9 ms 9960 KB Ok
7 Correct 9 ms 9960 KB Ok
8 Correct 9 ms 10032 KB Ok
9 Correct 9 ms 10032 KB Ok
10 Correct 11 ms 10032 KB Ok
11 Correct 9 ms 10032 KB Ok
12 Correct 9 ms 10068 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 10068 KB Ok
2 Correct 9 ms 10068 KB Ok
3 Correct 9 ms 10084 KB Ok
4 Correct 11 ms 10084 KB Ok
5 Correct 9 ms 10084 KB Ok
6 Correct 11 ms 10088 KB Ok
7 Correct 20 ms 10648 KB Ok
8 Correct 14 ms 10648 KB Ok
9 Correct 24 ms 10868 KB Ok
10 Correct 16 ms 10868 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 10868 KB Ok
2 Correct 12 ms 10868 KB Ok
3 Correct 9 ms 10868 KB Ok
4 Correct 10 ms 10868 KB Ok
5 Correct 9 ms 10868 KB Ok
6 Correct 9 ms 10868 KB Ok
7 Correct 9 ms 10868 KB Ok
8 Correct 9 ms 10868 KB Ok
9 Correct 9 ms 10868 KB Ok
10 Correct 10 ms 10868 KB Ok
11 Correct 9 ms 10868 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 10868 KB Ok
2 Correct 9 ms 10868 KB Ok
3 Correct 9 ms 10868 KB Ok
4 Correct 9 ms 10868 KB Ok
5 Correct 9 ms 10868 KB Ok
6 Correct 113 ms 20636 KB Ok
7 Correct 123 ms 21276 KB Ok
8 Correct 191 ms 23212 KB Ok
9 Correct 161 ms 23212 KB Ok
10 Correct 90 ms 23212 KB Ok
11 Correct 139 ms 23212 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Ok
2 Correct 9 ms 9832 KB Ok
3 Correct 11 ms 9832 KB Ok
4 Correct 11 ms 9832 KB Ok
5 Correct 10 ms 9960 KB Ok
6 Correct 9 ms 9960 KB Ok
7 Correct 9 ms 9960 KB Ok
8 Correct 9 ms 10032 KB Ok
9 Correct 9 ms 10032 KB Ok
10 Correct 11 ms 10032 KB Ok
11 Correct 9 ms 10032 KB Ok
12 Correct 9 ms 10068 KB Ok
13 Correct 10 ms 10868 KB Ok
14 Correct 12 ms 10868 KB Ok
15 Correct 9 ms 10868 KB Ok
16 Correct 10 ms 10868 KB Ok
17 Correct 9 ms 10868 KB Ok
18 Correct 9 ms 10868 KB Ok
19 Correct 9 ms 10868 KB Ok
20 Correct 9 ms 10868 KB Ok
21 Correct 9 ms 10868 KB Ok
22 Correct 10 ms 10868 KB Ok
23 Correct 9 ms 10868 KB Ok
24 Correct 12 ms 23212 KB Ok
25 Correct 13 ms 23212 KB Ok
26 Correct 11 ms 23212 KB Ok
27 Correct 11 ms 23212 KB Ok
28 Correct 11 ms 23212 KB Ok
29 Correct 15 ms 23212 KB Ok
30 Correct 11 ms 23212 KB Ok
31 Correct 11 ms 23212 KB Ok
32 Correct 16 ms 23212 KB Ok
33 Correct 11 ms 23212 KB Ok
34 Correct 14 ms 23212 KB Ok
35 Correct 15 ms 23212 KB Ok
36 Correct 18 ms 23212 KB Ok
37 Correct 13 ms 23212 KB Ok
38 Correct 13 ms 23212 KB Ok
39 Correct 14 ms 23212 KB Ok
40 Correct 16 ms 23212 KB Ok
41 Correct 15 ms 23212 KB Ok
42 Correct 14 ms 23212 KB Ok
43 Correct 14 ms 23212 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Ok
2 Correct 9 ms 9832 KB Ok
3 Correct 11 ms 9832 KB Ok
4 Correct 11 ms 9832 KB Ok
5 Correct 10 ms 9960 KB Ok
6 Correct 9 ms 9960 KB Ok
7 Correct 9 ms 9960 KB Ok
8 Correct 9 ms 10032 KB Ok
9 Correct 9 ms 10032 KB Ok
10 Correct 11 ms 10032 KB Ok
11 Correct 9 ms 10032 KB Ok
12 Correct 9 ms 10068 KB Ok
13 Correct 9 ms 10068 KB Ok
14 Correct 9 ms 10068 KB Ok
15 Correct 9 ms 10084 KB Ok
16 Correct 11 ms 10084 KB Ok
17 Correct 9 ms 10084 KB Ok
18 Correct 11 ms 10088 KB Ok
19 Correct 20 ms 10648 KB Ok
20 Correct 14 ms 10648 KB Ok
21 Correct 24 ms 10868 KB Ok
22 Correct 16 ms 10868 KB Ok
23 Correct 10 ms 10868 KB Ok
24 Correct 12 ms 10868 KB Ok
25 Correct 9 ms 10868 KB Ok
26 Correct 10 ms 10868 KB Ok
27 Correct 9 ms 10868 KB Ok
28 Correct 9 ms 10868 KB Ok
29 Correct 9 ms 10868 KB Ok
30 Correct 9 ms 10868 KB Ok
31 Correct 9 ms 10868 KB Ok
32 Correct 10 ms 10868 KB Ok
33 Correct 9 ms 10868 KB Ok
34 Correct 12 ms 23212 KB Ok
35 Correct 13 ms 23212 KB Ok
36 Correct 11 ms 23212 KB Ok
37 Correct 11 ms 23212 KB Ok
38 Correct 11 ms 23212 KB Ok
39 Correct 15 ms 23212 KB Ok
40 Correct 11 ms 23212 KB Ok
41 Correct 11 ms 23212 KB Ok
42 Correct 16 ms 23212 KB Ok
43 Correct 11 ms 23212 KB Ok
44 Correct 14 ms 23212 KB Ok
45 Correct 15 ms 23212 KB Ok
46 Correct 18 ms 23212 KB Ok
47 Correct 13 ms 23212 KB Ok
48 Correct 13 ms 23212 KB Ok
49 Correct 14 ms 23212 KB Ok
50 Correct 16 ms 23212 KB Ok
51 Correct 15 ms 23212 KB Ok
52 Correct 14 ms 23212 KB Ok
53 Correct 14 ms 23212 KB Ok
54 Correct 93 ms 23212 KB Ok
55 Correct 103 ms 23212 KB Ok
56 Correct 99 ms 23212 KB Ok
57 Correct 90 ms 23212 KB Ok
58 Correct 94 ms 23212 KB Ok
59 Correct 93 ms 23212 KB Ok
60 Correct 86 ms 23212 KB Ok
61 Correct 79 ms 23212 KB Ok
62 Correct 100 ms 23212 KB Ok
63 Correct 89 ms 23212 KB Ok
64 Correct 109 ms 23212 KB Ok
65 Correct 101 ms 23212 KB Ok
66 Correct 86 ms 23212 KB Ok
67 Correct 75 ms 23212 KB Ok
68 Correct 121 ms 23212 KB Ok
69 Correct 249 ms 23212 KB Ok
70 Correct 202 ms 23212 KB Ok
71 Correct 187 ms 23212 KB Ok
72 Correct 192 ms 23212 KB Ok
73 Correct 180 ms 23212 KB Ok
74 Correct 184 ms 23212 KB Ok
75 Correct 201 ms 23212 KB Ok
76 Correct 274 ms 23212 KB Ok
77 Correct 174 ms 23212 KB Ok
78 Correct 254 ms 23212 KB Ok
79 Correct 206 ms 23212 KB Ok
80 Correct 206 ms 23212 KB Ok
81 Correct 216 ms 23212 KB Ok
82 Correct 183 ms 23212 KB Ok
83 Correct 163 ms 23212 KB Ok

Subtask #7
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Ok
2 Correct 9 ms 9832 KB Ok
3 Correct 11 ms 9832 KB Ok
4 Correct 11 ms 9832 KB Ok
5 Correct 10 ms 9960 KB Ok
6 Correct 9 ms 9960 KB Ok
7 Correct 9 ms 9960 KB Ok
8 Correct 9 ms 10032 KB Ok
9 Correct 9 ms 10032 KB Ok
10 Correct 11 ms 10032 KB Ok
11 Correct 9 ms 10032 KB Ok
12 Correct 9 ms 10068 KB Ok
13 Correct 9 ms 10068 KB Ok
14 Correct 9 ms 10068 KB Ok
15 Correct 9 ms 10084 KB Ok
16 Correct 11 ms 10084 KB Ok
17 Correct 9 ms 10084 KB Ok
18 Correct 11 ms 10088 KB Ok
19 Correct 20 ms 10648 KB Ok
20 Correct 14 ms 10648 KB Ok
21 Correct 24 ms 10868 KB Ok
22 Correct 16 ms 10868 KB Ok
23 Correct 10 ms 10868 KB Ok
24 Correct 12 ms 10868 KB Ok
25 Correct 9 ms 10868 KB Ok
26 Correct 10 ms 10868 KB Ok
27 Correct 9 ms 10868 KB Ok
28 Correct 9 ms 10868 KB Ok
29 Correct 9 ms 10868 KB Ok
30 Correct 9 ms 10868 KB Ok
31 Correct 9 ms 10868 KB Ok
32 Correct 10 ms 10868 KB Ok
33 Correct 9 ms 10868 KB Ok
34 Correct 9 ms 10868 KB Ok
35 Correct 9 ms 10868 KB Ok
36 Correct 9 ms 10868 KB Ok
37 Correct 9 ms 10868 KB Ok
38 Correct 9 ms 10868 KB Ok
39 Correct 113 ms 20636 KB Ok
40 Correct 123 ms 21276 KB Ok
41 Correct 191 ms 23212 KB Ok
42 Correct 161 ms 23212 KB Ok
43 Correct 90 ms 23212 KB Ok
44 Correct 139 ms 23212 KB Ok
45 Correct 12 ms 23212 KB Ok
46 Correct 13 ms 23212 KB Ok
47 Correct 11 ms 23212 KB Ok
48 Correct 11 ms 23212 KB Ok
49 Correct 11 ms 23212 KB Ok
50 Correct 15 ms 23212 KB Ok
51 Correct 11 ms 23212 KB Ok
52 Correct 11 ms 23212 KB Ok
53 Correct 16 ms 23212 KB Ok
54 Correct 11 ms 23212 KB Ok
55 Correct 14 ms 23212 KB Ok
56 Correct 15 ms 23212 KB Ok
57 Correct 18 ms 23212 KB Ok
58 Correct 13 ms 23212 KB Ok
59 Correct 13 ms 23212 KB Ok
60 Correct 14 ms 23212 KB Ok
61 Correct 16 ms 23212 KB Ok
62 Correct 15 ms 23212 KB Ok
63 Correct 14 ms 23212 KB Ok
64 Correct 14 ms 23212 KB Ok
65 Correct 93 ms 23212 KB Ok
66 Correct 103 ms 23212 KB Ok
67 Correct 99 ms 23212 KB Ok
68 Correct 90 ms 23212 KB Ok
69 Correct 94 ms 23212 KB Ok
70 Correct 93 ms 23212 KB Ok
71 Correct 86 ms 23212 KB Ok
72 Correct 79 ms 23212 KB Ok
73 Correct 100 ms 23212 KB Ok
74 Correct 89 ms 23212 KB Ok
75 Correct 109 ms 23212 KB Ok
76 Correct 101 ms 23212 KB Ok
77 Correct 86 ms 23212 KB Ok
78 Correct 75 ms 23212 KB Ok
79 Correct 121 ms 23212 KB Ok
80 Correct 249 ms 23212 KB Ok
81 Correct 202 ms 23212 KB Ok
82 Correct 187 ms 23212 KB Ok
83 Correct 192 ms 23212 KB Ok
84 Correct 180 ms 23212 KB Ok
85 Correct 184 ms 23212 KB Ok
86 Correct 201 ms 23212 KB Ok
87 Correct 274 ms 23212 KB Ok
88 Correct 174 ms 23212 KB Ok
89 Correct 254 ms 23212 KB Ok
90 Correct 206 ms 23212 KB Ok
91 Correct 206 ms 23212 KB Ok
92 Correct 216 ms 23212 KB Ok
93 Correct 183 ms 23212 KB Ok
94 Correct 163 ms 23212 KB Ok
95 Correct 209 ms 24716 KB Ok
96 Correct 326 ms 31784 KB Ok
97 Correct 288 ms 31784 KB Ok
98 Correct 233 ms 31784 KB Ok
99 Correct 267 ms 31784 KB Ok
100 Correct 289 ms 31784 KB Ok
101 Correct 347 ms 31784 KB Ok
102 Correct 257 ms 31784 KB Ok
103 Correct 319 ms 31784 KB Ok
104 Correct 321 ms 31784 KB Ok
105 Correct 324 ms 31784 KB Ok
106 Correct 287 ms 31784 KB Ok
107 Correct 375 ms 31784 KB Ok
108 Correct 303 ms 31784 KB Ok
109 Correct 320 ms 32432 KB Ok
110 Correct 1131 ms 46412 KB Ok
111 Correct 1751 ms 56028 KB Ok
112 Correct 1357 ms 56028 KB Ok
113 Correct 1386 ms 56028 KB Ok
114 Correct 1493 ms 56028 KB Ok
115 Correct 1520 ms 56028 KB Ok
116 Correct 1447 ms 56028 KB Ok
117 Correct 1479 ms 56028 KB Ok
118 Correct 1215 ms 56028 KB Ok
119 Correct 1536 ms 56028 KB Ok
120 Correct 1363 ms 56028 KB Ok
121 Correct 1266 ms 56028 KB Ok
122 Correct 1407 ms 56028 KB Ok
123 Correct 1623 ms 56168 KB Ok
124 Correct 1140 ms 56168 KB Ok
125 Correct 533 ms 56168 KB Ok