제출 #1256795

#제출 시각아이디문제언어결과실행 시간메모리
1256795horizonsTrol (COCI19_trol)C++20
20 / 50
1093 ms412 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long int divide(int n){ if (n < 10) return n; int temp = 0; while (n > 0){ int ones = n % 10; temp += ones; n /= 10; } return divide(temp); } int main(){ int q; cin >> q; while (q--){ int l,r; cin >> l >> r; ll total = 0; for(int i = l; i <= r;i++){ int a = i; if (a >= 10) a = divide(a); total += a; } cout << total << endl; } }
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