Submission #975991

#TimeUsernameProblemLanguageResultExecution timeMemory
975991vjudge1Trol (COCI19_trol)C++17
20 / 50
1058 ms600 KiB
#include <bits/stdc++.h> using namespace std; #define in long long int bil (int n){ while(n>=10){ int hasil=0; while (n>0){ hasil+= n%10; n/=10; } n= hasil; } return n; } int main(){ in q; cin >> q; for (int i=0; i<q; i++){ in l, r; in sum=0; cin >> l >> r; for (int j=l; j<=r; j++){ sum+= bil(j); } cout << sum << endl; } return 0; }
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