#include<bits/stdc++.h>
using namespace std;
#define ll long long
int f(ll i){
while(i>9){
int cur=i;
int sum=0;
while(cur!=0){
sum+=cur%10;
cur/=10;
}
i=sum;
}
return i;
}
int main(){
int n;
cin>>n;
while(n--){
ll l,r;
cin>>l>>r;
ll ans=0;
for(ll i=l;i<=r;i++){
ans+=f(i);
}
cout<<ans<<endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
4 |
Execution timed out |
1092 ms |
404 KB |
Time limit exceeded |
5 |
Execution timed out |
1022 ms |
348 KB |
Time limit exceeded |