Submission #198374

#	Time	Username	Problem	Language	Result	Execution time	Memory
198374		grobar	Trol (COCI19_trol)	C++14	0 / 50	11 ms	376 KiB

trol

#include<bits/stdc++.h>

using namespace std;

int main()
{
    int t;
    cin>>t;
    long long int a,b;
    while(t>0)
    {
        long long int sum=0;
        cin>>a>>b;
        long long int dif=b-a;
        int pm=a%9;
        sum=(dif/9)*45;
        int mod=b%9;
        if(mod==0)
        {
            mod=9;
        }
        for(int j=pm; j<=mod; j++)
        {

            if(j==0)
            {
                sum=sum+9;
            }
            sum=sum+j;
        }
        cout<<sum<<endl;
        t--;
    }
}

• Subtask 1: 0 / 50