제출 #971307

#제출 시각아이디문제언어결과실행 시간메모리
971307vjudge1Trol (COCI19_trol)C++11
0 / 50
1056 ms348 KiB
#include <bits/stdc++.h>
#define ull unsigned long long
using namespace std;

int convert( ull x) {
	
	int sum = 0;
	while( x >= 1) {
		int temp = x % 10;
		sum+= temp;
		x/=10; 
	}
	return sum % 9;
}

int main() {
	
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int q; cin >> q; 
	while( q--) {
		
		ull l,r, sum = 0; cin >> l >> r;
		for( ull i = l; i <= r; i++) {
			
			int y = convert(i);
//			cout << y << ' ';
			sum+=y; 
		}
		cout << sum << "\n";
	}

//cout << convert(2024);
}
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