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Submission #974882

# Submission time Handle Problem Language Result Execution time Memory
974882 2024-05-04T05:39:31 Z vjudge1 Trol (COCI19_trol) C++17
30 / 50
 1000 ms 348 KB 
#include <bits/stdc++.h>
#define ld long double
using namespace std;
ld r, l;

ld change(ld k)
{
    long double sum = k;

    while (sum >= 10)
    {
        long double tempSum = 0.0;
        string sumStr = to_string(sum);
        for (char digit : sumStr)
        {
            if (isdigit(digit))
            {
                tempSum += (digit - '0');
            }
        }
        sum = tempSum;
    }

    return sum;
}

void solve()
{
    cin >> r >> l;
    ld ans = 0;
    for (ld i = r; i <= l; i++)
    {
        ans += change(i);
    }
    cout << fixed << setprecision(0);
    cout << ans << '\n';
}
int main()
{
    int t = 1;
    cin >> t;
    while (t--)
    {
        solve();
    }
}

Subtask #1
30.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 37 ms 348 KB Output is correct
3 Correct 55 ms 348 KB Output is correct
4 Execution timed out 1061 ms 348 KB Time limit exceeded
5 Execution timed out 1077 ms 348 KB Time limit exceeded