Submission #857556


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import std.stdio, std.string, std.conv;
import std.math;
 
auto solve(string s_)
{
    immutable n = s_.to!long();
    immutable s = readln.chomp.to!long();
    if(s==n) return s+1;
    immutable m = sqrt(n.to!real()).to!long+1;
    foreach(i;2..m)
    {
        long v=n, c=0;
        while(v) c+=v%i, v/=i;
        if(c==s) return i;
    }
    foreach_reverse(i;1..m)
    {
        auto v1=n/i, v2=n/(i+1), v=v1-(s-i-(n%(n/i)));
        if(v2<v && v<=v1) return v;
    }
    return -1;
}

void main(){ for(string s; (s=readln.chomp()).length;) writeln(solve(s)); }

Submission Info

Submission Time
Task D - Digit Sum
User jasy
Language D (LDC 0.17.0)
Score 0
Code Size 589 Byte
Status WA
Exec Time 39 ms
Memory 368 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 5
AC × 37
WA × 10
Set Name Test Cases
Sample subtask1_87654_30.txt, subtask1_87654_138.txt, subtask1_87654_45678.txt, subtask1_31415926535_1.txt, subtask1_1_31415926535.txt
All subtask1_100000000000_1.txt, subtask1_100000000000_100000000000.txt, subtask1_100000000000_2.txt, subtask1_100000000000_3.txt, subtask1_100000000000_50000000000.txt, subtask1_100000000000_50000000001.txt, subtask1_100000000000_99999999999.txt, subtask1_16983563041_1.txt, subtask1_1_1.txt, subtask1_1_2.txt, subtask1_1_31415926535.txt, subtask1_239484768_194586924.txt, subtask1_2_1.txt, subtask1_2_2.txt, subtask1_31415926535_1.txt, subtask1_49234683534_2461734011.txt, subtask1_4_1.txt, subtask1_58640129658_232122496.txt, subtask1_68719476735_35.txt, subtask1_68719476735_36.txt, subtask1_68719476735_37.txt, subtask1_68719476736_1.txt, subtask1_68719476736_2.txt, subtask1_72850192441_16865701.txt, subtask1_79285169301_27.txt, subtask1_82914867733_1676425945.txt, subtask1_8594813796_75700.txt, subtask1_87654_12345.txt, subtask1_87654_138.txt, subtask1_87654_30.txt, subtask1_87654_4294967308.txt, subtask1_87654_45678.txt, subtask1_97822032312_49157112.txt, subtask1_98750604051_977728851.txt, subtask1_99999515529_1.txt, subtask1_99999515529_316226.txt, subtask1_99999515529_316227.txt, subtask1_99999515529_316228.txt, subtask1_99999515529_49999757765.txt, subtask1_99999515529_49999757766.txt, subtask1_99999515530_2.txt, subtask1_99999999977_1.txt, subtask1_99999999977_2.txt, subtask1_99999999977_49999999989.txt, subtask1_99999999977_49999999990.txt, subtask1_99999999999_1.txt, subtask1_99999999999_100000000000.txt
Case Name Status Exec Time Memory
subtask1_100000000000_1.txt AC 4 ms 256 KB
subtask1_100000000000_100000000000.txt AC 4 ms 256 KB
subtask1_100000000000_2.txt AC 37 ms 256 KB
subtask1_100000000000_3.txt WA 37 ms 256 KB
subtask1_100000000000_50000000000.txt AC 37 ms 256 KB
subtask1_100000000000_50000000001.txt AC 37 ms 256 KB
subtask1_100000000000_99999999999.txt AC 37 ms 256 KB
subtask1_16983563041_1.txt AC 4 ms 256 KB
subtask1_1_1.txt AC 5 ms 368 KB
subtask1_1_2.txt AC 4 ms 256 KB
subtask1_1_31415926535.txt AC 4 ms 256 KB
subtask1_239484768_194586924.txt AC 5 ms 256 KB
subtask1_2_1.txt AC 4 ms 256 KB
subtask1_2_2.txt AC 4 ms 256 KB
subtask1_31415926535_1.txt AC 22 ms 256 KB
subtask1_49234683534_2461734011.txt WA 27 ms 256 KB
subtask1_4_1.txt AC 4 ms 256 KB
subtask1_58640129658_232122496.txt WA 29 ms 256 KB
subtask1_68719476735_35.txt AC 11 ms 256 KB
subtask1_68719476735_36.txt AC 4 ms 256 KB
subtask1_68719476735_37.txt AC 31 ms 256 KB
subtask1_68719476736_1.txt AC 4 ms 256 KB
subtask1_68719476736_2.txt AC 4 ms 256 KB
subtask1_72850192441_16865701.txt WA 32 ms 256 KB
subtask1_79285169301_27.txt AC 4 ms 256 KB
subtask1_82914867733_1676425945.txt WA 35 ms 256 KB
subtask1_8594813796_75700.txt AC 7 ms 256 KB
subtask1_87654_12345.txt WA 4 ms 256 KB
subtask1_87654_138.txt AC 4 ms 256 KB
subtask1_87654_30.txt AC 4 ms 256 KB
subtask1_87654_4294967308.txt AC 4 ms 256 KB
subtask1_87654_45678.txt AC 4 ms 256 KB
subtask1_97822032312_49157112.txt WA 36 ms 256 KB
subtask1_98750604051_977728851.txt WA 36 ms 256 KB
subtask1_99999515529_1.txt AC 22 ms 256 KB
subtask1_99999515529_316226.txt WA 37 ms 256 KB
subtask1_99999515529_316227.txt WA 21 ms 256 KB
subtask1_99999515529_316228.txt AC 27 ms 256 KB
subtask1_99999515529_49999757765.txt AC 37 ms 256 KB
subtask1_99999515529_49999757766.txt AC 37 ms 256 KB
subtask1_99999515530_2.txt AC 21 ms 256 KB
subtask1_99999999977_1.txt AC 37 ms 256 KB
subtask1_99999999977_2.txt AC 39 ms 256 KB
subtask1_99999999977_49999999989.txt AC 37 ms 256 KB
subtask1_99999999977_49999999990.txt AC 37 ms 256 KB
subtask1_99999999999_1.txt AC 37 ms 256 KB
subtask1_99999999999_100000000000.txt AC 37 ms 256 KB