#include <iostream>
#include <vector>
using namespace std;
int digitSum(int n) {
int sum = 0;
while (n > 0) {
sum += n % 10;
n /= 10;
}
return sum > 9 ? digitSum(sum) : sum;
}
int main() {
int Q;
cin >> Q;
vector<int> bowls(260260);
for (int i = 1; i <= 260260; i++) {
bowls[i - 1] = digitSum(i);
}
for (int q = 0; q < Q; q++) {
int L, R;
cin >> L >> R;
int sum = 0;
for (int i = L - 1; i < R; i++) {
sum += bowls[i];
}
cout << sum << endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1624 KB |
Output is correct |
2 |
Runtime error |
4 ms |
2396 KB |
Execution killed with signal 11 |
3 |
Incorrect |
3 ms |
1372 KB |
Output isn't correct |
4 |
Runtime error |
4 ms |
2396 KB |
Execution killed with signal 11 |
5 |
Incorrect |
3 ms |
1372 KB |
Output isn't correct |