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Submission #210459

# Submission time Handle Problem Language Result Execution time Memory
210459 2020-03-17T11:51:43 Z itiam Trol (COCI19_trol) C++11
50 / 50
 7 ms 376 KB 
#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
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 7 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct