Submission #896949

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Source Code Expand

#include<stdio.h>
#include<vector>
#include<algorithm>
#include<set>
using namespace std;
int ans[200000];
int now[200000];
int aaa[200000];
int main()
{
	int num,len,query;
	scanf("%d%d%d",&num,&len,&query);
	vector<int>v;
	for(int i=0;i<query;i++)
	{
		int z;
		scanf("%d",&z);
		z--;
		v.push_back(z);
	}
	reverse(v.begin(),v.end());
	set<int>se;
	vector<int>dd;
	for(int i=0;i<v.size();i++)
	{
		if(se.find(v[i])==se.end())
		{
			ans[v[i]]=se.size()+1;
			se.insert(v[i]);
			dd.push_back(v[i]);
		}
		int x=ans[v[i]];
		int beg=0,end=num;
		for(;;)
		{
			if(beg==end)break;
			int med=(beg+end)/2;
			if(now[med]<x)end=med;
			else beg=med+1;
		}
		//printf("  %d %d  %d\n",beg,v[i]+1,x);
		if(beg!=num&&now[beg]==x-1)
		{
			now[beg]++;
		}
	}
	for(int i=0;i<len;i++)if(ans[i]==0)dd.push_back(i);
	vector<int>z;
	for(int i=0;i<now[num-1];i++)
	{
		z.push_back(dd[i]);
		aaa[dd[i]]=1;
	}
	for(int i=0;i<len;i++)if(aaa[i]==0)z.push_back(i);
	//for(int i=0;i<len;i++)printf("%d %d\n",dd[i]+1,z[i]+1);
	if(dd==z)printf("Yes\n");
	else printf("No\n");
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d",&num,&len,&query);
                                  ^
./Main.cpp:17:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&z);
                 ^

Judge Result