Submission #976704

#	Time	Username	Problem	Language	Result	Execution time	Memory
976704		vjudge1	Trol (COCI19_trol)	C++17	20 / 50	1076 ms	348 KiB

trol

#include <iostream>
#include <vector>
using namespace std;

int digitSum(int x) {
    int sum = 0;
    while (x > 0) {
        sum += x % 10;
        x /= 10;
    }
    if (sum >= 10) {
        return digitSum(sum);
    }
    return sum;
}

int main() {
    int q;
    cin >> q;
    
    vector<int> answers;
    
    for (int i = 0; i < q; ++i) {
        int l, r;
        cin >> l >> r;
        
        int sum = 0;
        for (int j = l; j <= r; ++j) {
            sum += digitSum(j);
        }
        
        answers.push_back(sum);
    }
    
    for (int ans : answers) {
        cout << ans << endl;
    }
    
    return 0;
}

• Subtask 1: 20 / 50