# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
975991 | vjudge1 | Trol (COCI19_trol) | C++17 | 1058 ms | 600 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define in long long
int bil (int n){
while(n>=10){
int hasil=0;
while (n>0){
hasil+= n%10;
n/=10;
}
n= hasil;
}
return n;
}
int main(){
in q;
cin >> q;
for (int i=0; i<q; i++){
in l, r;
in sum=0;
cin >> l >> r;
for (int j=l; j<=r; j++){
sum+= bil(j);
}
cout << sum << endl;
}
return 0;
}
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---|---|---|---|---|
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