Submission #1171311

#	Time	Username	Problem	Language	Result	Execution time	Memory
1171311		Pajaraja	Nice sequence (IZhO18_sequence)	C++20	76 / 100	2015 ms	53348 KiB

sequence

#include <bits/stdc++.h>
using namespace std;
vector<int> g[400007];
int pv[400007],deg[400007],parc[400007];
bool provera(int s,int n,int m)
{
	fill(deg,deg+s+1,0);
	for(int i=0;i<=s;i++) g[i].clear();
	for(int i=n;i<=s;i++) 
	{
	    g[i].push_back(i-n);
	    deg[i-n]++;
	}
	for(int i=m;i<=s;i++)
	{
		g[i-m].push_back(i);
		deg[i]++;
	}
	queue<int> q;
	for(int i=0;i<=s;i++) if(deg[i]==0) q.push(i);
	int cnt=0;
	while(!q.empty())
	{
		int u=q.front();
		pv[u]=cnt++;
		q.pop();
		for(int i=0;i<g[u].size();i++) 
		{
			deg[g[u][i]]--;
			if(deg[g[u][i]]==0) q.push(g[u][i]);
		}
	}
	if(cnt<=s) return false;
	return true;
}
int binarna(int l,int r,int n,int m)
{
	if(l==r) return l;
	int s=(l+r)/2;
	if(!provera(s,n,m)) return binarna(l,s,n,m);
	else return binarna(s+1,r,n,m);
}
int main()
{
	int t;
	scanf("%d",&t);
	while(t--)
	{
		int n,m;
		scanf("%d%d",&n,&m);
		int x=binarna(fmax(m,n)-1,m+n+5,n,m);
		printf("%d\n",x-1);
		provera(x-1,n,m);
		for(int i=1;i<x;i++) printf("%d ",pv[i]-pv[i-1]);
		printf("\n");
	}
}

Compilation message (stderr)

sequence.cpp: In function 'int main()':
sequence.cpp:46:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |         scanf("%d",&t);
      |         ~~~~~^~~~~~~~~
sequence.cpp:50:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |                 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: 0 / 24