Submission #40508

#	Time	Username	Problem	Language	Result	Execution time	Memory
40508		Akylbek	Nice sequence (IZhO18_sequence)	C++14	100 / 100	1743 ms	73296 KiB

sequence

#include <bits/stdc++.h>

#define ll long long

#define pb push_back

using namespace std;

const int N = 4e5 + 10;
const int md = 1e9 + 7;

int T;

int n, m;

vector <int> g[N];

int p[N];

int used[N];

vector <int> ord;

void dfs (int v) {
 used[v] = 1;
 for (auto to : g[v]) {
  if (!used[to]) dfs(to);
 }
 ord.pb(v);
}

int main() {
 scanf("%d", &T);
 while (T--) {
  scanf("%d%d", &n, &m);
  int len = n + m - __gcd(n, m) - 1;
  for (int i = n; i <= len; i++) {
   g[i - n].pb(i);
  }
  for (int i = m; i <= len; i++) {
   g[i].pb(i - m);
  }
  for (int i = 0; i <= len; i++) {
   if (!used[i]) {
    dfs(i);
   }
  }
  for (int i = 0; i < len + 1; i++) {
   if (ord[i] == 0) {
    p[ord[i]] = 0;
    continue;
   }
   if (i == 0) {
    p[ord[i]] = -1000000;
    continue;
   }
   p[ord[i]] = p[ord[i - 1]] + 1;
  }
  cout << len << '\n';
  for (int i = 1; i <= len; i++) {
   cout << p[i] - p[i - 1] << ' ';
  }
  cout << '\n';
  for (int i = 0; i <= len; i++) {
   g[i].clear();
   used[i] = 0;
  }
  ord.clear();
 }
 return 0;
}

Compilation message (stderr)

sequence.cpp: In function 'int main()':
sequence.cpp:33:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &T);
                 ^
sequence.cpp:35:24: 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 / 6
• Subtask 2: 9 / 9
• Subtask 3: 14 / 14
• Subtask 4: 15 / 15
• Subtask 5: 14 / 14
• Subtask 6: 18 / 18
• Subtask 7: 24 / 24