Submission #498677

#	Time	Username	Problem	Language	Result	Execution time	Memory
498677		IOI_champion_in_1980	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	0 / 100	3077 ms	8172 KiB

sortbooks

#include <bits/stdc++.h>
#include <math.h>
typedef long long ll;
using namespace std;
ll i, j, t, a, n, m, b, c, d, f, g;
int x[1000100], y[1000100];
void quickSort(int *array, int low, int high)
{
	int i=low;int j=high;int pivot=array[(i + j)/2];int temp;while(i<=j){while(array[i]<pivot)i++;while(array[j]>pivot)j--;
	if(i<=j){temp=array[i];array[i]=array[j];array[j]=temp;i++;j--;}}if(j>low)quickSort(array,low,j);if(i<high)quickSort(array,i,high);
}
int binarySearch(int array[], int x, int low, int high)
{
	while(low<=high){int mid=low+(high-low)/2;if(array[mid]==x)return mid;
	if(array[mid]<x)low=mid+1;else high=mid-1;}return -1;
}
int main()
{
    ios::sync_with_stdio(0);
	cin.tie(0);

	cin>>n>>m;
	for (a=1; a<=n; a++) cin>>x[a];
	for (a=1; a<=m; a++)
	{
		int l, r, k;
		cin>>l>>r>>k;
		int ans=1;
		for (b=l; b<=r; b++) y[b-l+1]=x[b];
		for (b=(r-l)+1; b>=2; b=b-2)
		{
			int mmax1=y[b-1], mmax2=y[b];
			int p1=b-1, p2=b;
//			int r=0;
			for (c=b; c>=1; c--)
			{
				if (y[c]>mmax1)
				{
//					r=1;
					mmax2=mmax1;
					mmax1=y[c];
					p2=p1;
					p1=c;
				}
			}
//			for (c=1; c<=n; c++) cout<<y[c]<<" ";
//			cout<<endl;
			if (p1==b-1 and p2==b and y[b]>=y[b-1])
			{
				b++;
				continue;
			}
			if (y[p1]+y[p2]>k)
			{
				ans=0;
				break;
			}
			swap(y[b], y[p1]);
			swap(y[b-1], y[p2]);
//			for (c=1; c<=n; c++) cout<<y[c]<<" ";
//			cout<<endl;
		}
		cout<<ans<<endl;
	}
}
/*

*/

Compilation message (stderr)

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:32:22: warning: variable 'mmax2' set but not used [-Wunused-but-set-variable]
   32 |    int mmax1=y[b-1], mmax2=y[b];
      |                      ^~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23