Submission #976002

#TimeUsernameProblemLanguageResultExecution timeMemory
976002vjudge1Trol (COCI19_trol)C++17
20 / 50
1099 ms348 KiB
#include <iostream> using namespace std; // Fungsi untuk mengubah bilangan menjadi bilangan dengan satu digit int satuDigit(int n) { while (n >= 10) { int sum = 0; while (n > 0) { sum += n % 10; n /= 10; } n = sum; } return n; } int main() { int Q; cin >> Q; for (int i = 0; i < Q; ++i) { long long L, R; cin >> L >> R; long long total = 0; for (long long j = L; j <= R; ++j) { total += satuDigit(j); } cout << total << endl; } return 0; }
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