#include <bits/stdc++.h>
#define F first
#define S second
#define ll long long
#define pb push_back
#define endl '\n'
using namespace std;
const int MOD = 1e9 + 7;
const int N = 510;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int T;
cin >> T;
while(T--) {
ll a, b;
cin >> a >> b;
ll sum = 0;
for (ll i = a; i <= b; ++i) {
ll x = sum;
string s = to_string(i);
for (char c: s) {
sum += (c - '0');
}
while (sum > x + 9) {
s = to_string(sum - x);
sum = x;
for (char c: s) {
sum += (c - '0');
}
}
}
cout << sum << endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
12 ms |
384 KB |
Output is correct |
3 |
Correct |
20 ms |
384 KB |
Output is correct |
4 |
Execution timed out |
1085 ms |
384 KB |
Time limit exceeded |
5 |
Execution timed out |
1084 ms |
384 KB |
Time limit exceeded |