Submission #210459

#	Time	Username	Problem	Language	Result	Execution time	Memory
210459		itiam	Trol (COCI19_trol)	C++11	50 / 50	7 ms	376 KiB

trol

#include <bits/stdc++.h>

using namespace std;
long long L[107];

int main(){
    long long N,x,y;
    cin >> N;
    for (int i=0;i<N;i++){
        long long zb=45,a,ost,br,z;
        cin >> x >> y;
        a=x%9;
        if (a==0)   a=9;
        z=a;
        br=(y-x)/9;
        ost=(y-x)%9;
        for (long long j=a+1;j<a+1+ost;j++){
            z+=j;
            if (j>=10)  z-=9;
        }
        z+=(br*zb);
        L[i]=z;
    }
    for (long long i=0;i<N;i++){
        if (i!=0)   cout << endl;
        cout << L[i];
    }
    return 0;
}

• Subtask 1: 50 / 50