Submission #975895

#	Time	Username	Problem	Language	Result	Execution time	Memory
975895		vjudge1	Trol (COCI19_trol)	C++17	30 / 50	1067 ms	424 KiB

trol

#include <bits/stdc++.h>
#define int long long
using namespace std;

int digitcalc(int n){
	int ret = 0;
	while(n!=0){
		ret += n%10;
		n/=10;
	}
	return ret;
}

signed main (){

	int q; cin >> q;
	for(int i = 0;i<q;i++){
		int l,r; cin >> l >> r;
		int ans  = 0;
		for(int j = l;j<=r;j++){
			int rec = j;
			while(digitcalc(rec) >= 10){
				rec = digitcalc(rec);
			}
			ans += digitcalc(rec);
		}
		cout << ans << endl;
	}
	
	return 0;
}

• Subtask 1: 30 / 50