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답안 #217251

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
217251 2020-03-29T10:15:52 Z bayemirov Trol (COCI19_trol) C++17
30 / 50
 1000 ms 384 KB 
//bayemirov                                       
#include <bits/stdc++.h>               

using namespace std;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

typedef long long ll;

#define pb push_back

ll sumofDigits(ll x, ll res = 0) {
	while (x) {
		res += x % 10;
		x /= 10;
	}
	return res;
}

bool ok(ll x) {
	return x < 10;
}

ll get(ll x) {
	while (!ok(x))
		 x = sumofDigits(x);
	return x;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int q;
	cin >> q;
	while (q--) {
	   ll l, r;
	   cin >> l >> r;
	   ll ans = 0;
	   while (l <= r) {
	     	ans += get(l);
	     	l++;
	   }
	   cout << ans << "\n";
	}
	return 0;
}

Subtask #1
30.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 7 ms 384 KB Output is correct
4 Execution timed out 1094 ms 384 KB Time limit exceeded
5 Execution timed out 1093 ms 384 KB Time limit exceeded