제출 #975110

#제출 시각아이디문제언어결과실행 시간메모리
975110vjudge1Trol (COCI19_trol)C++17
0 / 50
1090 ms600 KiB
#include <bits/stdc++.h> #define ll unsigned long long using namespace std; //ll N = 1152921504606846976; //vector<ll> sum(N+1); /* void bruteforce(ll n){ for(ll i = 1; i <= n; i++){ ll t = i; ll m; while(t > 0){ m = t%10; sum[i] += m; t /= 10; } } } */ int main(){ //bruteforce(N); //vector<ll> sum(10); int q; cin >> q; while(q--){ ll l, r; cin >> l >> r; ll ans = 0; for(ll i = l; i <= r; i++){ ans += (i % 9); } cout << ans << endl; } }
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