Submission #1254162

#	Time	Username	Problem	Language	Result	Execution time	Memory
1254162		bumsakalaka	Trol (COCI19_trol)	C++20	0 / 50	6 ms	1092 KiB

trol

#include <bits/stdc++.h>
using namespace std;
#define int long long
int l,r,fw[100000005];
void ups(int x,int upd)
{
	for(int i=x;i<=r;i+=(i&(-i)))
		fw[i]+=upd;
}
int query(int u)
{
	int sum=0;
	for(int i=u;i>0;i-=(i&(-i)))
		sum+=fw[i];
	return sum;
}
signed main()
{
	int t;
	cin>>t;
	while(t--)
	{
		cin>>l>>r;
		for(int i=l;i<=r;i++)
		{
			int sum=0,j,m;
			j=i;
			while(j/10)
			{
				sum+=j%10;
				j/=10;
				m=log10(sum);
				if(m>0) sum=sum%10+1;
			}
			sum+=j;
			m=log10(sum);
			if(m) sum=sum%10+1;
			ups(i,sum);
		}
		cout<<query(r)-query(l-1)<<"\n";
	}
}

• Subtask 1: 0 / 50