Submission #1146583

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1146583	2025-02-06 10:00:08	tatas07	Trol (COCI19_trol)	C++17	50 / 50	0 ms	372 KiB

trol

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#include <iostream>
using namespace std;
int main(){
    long long q;
    cin>>q;
    while (q--)
    {
        long long l,r;
        cin>>l>>r;
        long long batas_awal=l,batas_akhir=r;
        if(l%9!=1){
            batas_awal=((l/9)*9)+1;
            if(l%9==0){
                batas_awal=l-8;
            }
        }
        if(r%9!=0){
            batas_akhir=((r/9)+1)*9;
        }
        long long suma=(batas_akhir-batas_awal+1)/9;
         suma*=45;
        long long sumb=0;
        long long counter=1;
        for (long long i = batas_awal; i <l ; i++)
        {
            sumb+=counter;
            counter++;
        }
        counter=9;
        long long sumc=0;
 
 
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• Subtask 1: 50 / 50