#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int MAX = 2e6 + 15;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
#define pb push_back
#define sz(x) (int) x.size()
#define fr first
#define sc second
#define mp make_pair
#define all(x) x.begin(), x.end()
#define dbg(x) cerr << #x << ": " << "[ " << x << " ]\n"
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ll q; cin >> q;
while(q--){
ll l, r; cin >> l >> r;
ll ans = ((r - l + 1) / 9) * 45;
ll m1 = (l % 9 == 0 ? 9 : l % 9), m2 = (r % 9 == 0 ? 9 : r % 9);
for(int i = m1; i != m2; i = (i == 9 ? 1 : i + 1))
ans += i;
cout << ans + m2 << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Incorrect |
1 ms |
316 KB |
Output isn't correct |
3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
4 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
5 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |