#include <bits/stdc++.h>
#define int long long
using namespace std;
int digitcalc(int n){
int ret = 0;
while(n!=0){
ret += n%10;
n/=10;
}
return ret;
}
signed main (){
int q; cin >> q;
for(int i = 0;i<q;i++){
int l,r; cin >> l >> r;
int ans = 0;
for(int j = l;j<=r;j++){
int rec = j;
while(digitcalc(rec) >= 10){
rec = digitcalc(rec);
}
ans += digitcalc(rec);
}
cout << ans << endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
344 KB |
Output is correct |
3 |
Correct |
5 ms |
348 KB |
Output is correct |
4 |
Execution timed out |
1067 ms |
424 KB |
Time limit exceeded |
5 |
Execution timed out |
1024 ms |
344 KB |
Time limit exceeded |