#include <bits/stdc++.h>
#define endl '\n'
using namespace std ;
int countt(int x ){
int sum = 0 ;
while(x){
sum += x%10 ;
x/=10 ;
}
if(sum<10) return sum ;
return countt(sum) ;
}
int main(){
int q ;
cin>> q ;
while(q--){
int l ,r ;
cin>>l>>r ;
int sum = 0 ;
for(int i=l;i<=r;i++){
sum += countt(i) ;
}
cout << sum << endl ;
}
return 0 ;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Incorrect |
0 ms |
256 KB |
Output isn't correct |
4 |
Execution timed out |
1096 ms |
376 KB |
Time limit exceeded |
5 |
Incorrect |
0 ms |
256 KB |
Output isn't correct |