Submission #1257880

#TimeUsernameProblemLanguageResultExecution timeMemory
1257880fchrTrol (COCI19_trol)C++20
30 / 50
1095 ms480 KiB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

ll panggil (ll bilangan) {
    ll temp = 0;
    while (bilangan >= 10) {
        temp += bilangan % 10;
        bilangan /= 10;

        if (bilangan < 10) {
            temp += bilangan % 10;
            bilangan = temp;
            temp = 0;
        }
    }
    return bilangan;
}

int main () {
    ll q;
    cin >> q;

    while (q--) {
        ll l, r, ans = 0;
        cin >> l >> r;

        for (ll i = l; i <= r; i++) {
            ans += panggil(i);
        }

        cout << ans << endl;
    }
}
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