Submission #976080

#TimeUsernameProblemLanguageResultExecution timeMemory
976080vjudge1Trol (COCI19_trol)C++17
20 / 50
1085 ms348 KiB
#include <bits/stdc++.h>
using namespace std;

int q, l[1005], r[1005], ans[1005];;

int main() {
  cin >> q;
  for (int i = 0; i < q; i++) {
    cin >> l[i] >> r[i];
    for (int j = l[i]; j <= r[i]; j++) {
      if (j % 9 == 0) {
        ans[i] += 9;
      } else {
        ans[i] += j % 9;
      }
    }
  }
  for (int i = 0; i < q; i++) {
    cout << ans[i] << endl;
  }
  return 0;
}
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