Submission #976632

#TimeUsernameProblemLanguageResultExecution timeMemory
976632vjudge1Trol (COCI19_trol)C++17
30 / 50
1081 ms348 KiB
#include <bits/stdc++.h> using namespace std; using ll = long long; ll hitung(ll x) { ll temp = 0; while (x>0) { temp+=x%10; x/=10; } if (temp>=10) { return hitung(temp); } return temp; } int main() { ll q;cin >> q; while (q--) { ll l, r; cin >> l >> r; ll ans = 0; for (ll i=l;i<=r;i++) { ans+=hitung(i); } cout << ans << endl; } return 0; }
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