Submission #971253

# Submission time Handle Problem Language Result Execution time Memory
971253 2024-04-28T09:08:50 Z vjudge1 Trol (COCI19_trol) C++
0 / 50
1 ms 440 KB
#include <bits/stdc++.h>
using namespace std;
int sumDigits(int num) {
  int sum = 0;
  while (num > 0) {
    sum += num % 10;
    num /= 10;
  }
  if(sum>9){
    return sumDigits(sum);
  }else{
    return sum;
  }
}
int main(){
    int q;
    cin>>q;
    while (q--)
    {
        long long l,r;
        cin>>l>>r;
        int awal=sumDigits(l);
        int akhir=sumDigits(r);
        int yang_akan_dikurangi=(((r+(9-(r%9)))-(l-(l%9)))/9)*45;
        cout<<yang_akan_dikurangi-(((awal-1)*(awal))/2)-((9-akhir)*(10+akhir)/2)<<endl;
    }
    
}
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Incorrect 0 ms 440 KB Output isn't correct
5 Incorrect 1 ms 348 KB Output isn't correct