#include<bits/stdc++.h>
using namespace std;
using ll = long long;
ll calc(ll v) {
ll ret = 0;
while (v) {
ret += v % 10;
v /= 10;
}
if (ret < 10) return ret;
else return calc(ret);
}
void solve() {
ll ret = 0, l, r;
cin >> l >> r;
while (l <= r) {
ret += calc(l);
l++;
}
cout << ret << '\n';
}
int main(){
ios::sync_with_stdio(0),cin.tie(0);
int q;
while (cin >> q) {
while (q--) solve();
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
412 KB |
Output is correct |
2 |
Correct |
6 ms |
376 KB |
Output is correct |
3 |
Correct |
8 ms |
248 KB |
Output is correct |
4 |
Execution timed out |
1085 ms |
376 KB |
Time limit exceeded |
5 |
Execution timed out |
1090 ms |
376 KB |
Time limit exceeded |