Submission #857044


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#include <stdio.h>

#define INF 1e18

long long min(long long a, long long b){ return a < b ? a : b; }

int main(){
    long long n, s;
    long long ans = INF;
    scanf("%lld%lld", &n, &s);
    for(int i=2; i<=1000005; i++){
        //printf("n base %d: ", i);
        long long temp = n;
        long long res=0;
        long long res2=0;
        while(temp){
            //printf("%lld ", temp%i);
            res += temp%i;
            temp /= i;
            res2++;
        }
        if(res == s) ans = min(i, ans);
    }
    for(long long x = 1; x <= min(s, 1000005); x++){
        long long y = s-x;
        long long b = (n-y)/x;
        if(b*x != n-y) continue;
        if(y >= b || x >= b) continue;
        ans = min(b, ans);
    }
    if(ans == INF) printf("-1");
    else printf("%lld", ans);
    return 0;
}

Submission Info

Submission Time
Task D - Digit Sum
User zoomswk
Language C++14 (GCC 5.4.1)
Score 0
Code Size 855 Byte
Status WA
Exec Time 64 ms
Memory 128 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld", &n, &s);
                              ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 5
AC × 46
WA × 1
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 43 ms 128 KB
subtask1_100000000000_100000000000.txt WA 62 ms 128 KB
subtask1_100000000000_2.txt AC 43 ms 128 KB
subtask1_100000000000_3.txt AC 43 ms 128 KB
subtask1_100000000000_50000000000.txt AC 60 ms 128 KB
subtask1_100000000000_50000000001.txt AC 60 ms 128 KB
subtask1_100000000000_99999999999.txt AC 60 ms 128 KB
subtask1_16983563041_1.txt AC 39 ms 128 KB
subtask1_1_1.txt AC 21 ms 128 KB
subtask1_1_2.txt AC 20 ms 128 KB
subtask1_1_31415926535.txt AC 37 ms 128 KB
subtask1_239484768_194586924.txt AC 53 ms 128 KB
subtask1_2_1.txt AC 20 ms 128 KB
subtask1_2_2.txt AC 21 ms 128 KB
subtask1_31415926535_1.txt AC 40 ms 128 KB
subtask1_49234683534_2461734011.txt AC 58 ms 128 KB
subtask1_4_1.txt AC 20 ms 128 KB
subtask1_58640129658_232122496.txt AC 58 ms 128 KB
subtask1_68719476735_35.txt AC 42 ms 128 KB
subtask1_68719476735_36.txt AC 42 ms 128 KB
subtask1_68719476735_37.txt AC 42 ms 128 KB
subtask1_68719476736_1.txt AC 43 ms 128 KB
subtask1_68719476736_2.txt AC 42 ms 128 KB
subtask1_72850192441_16865701.txt AC 59 ms 128 KB
subtask1_79285169301_27.txt AC 44 ms 128 KB
subtask1_82914867733_1676425945.txt AC 60 ms 128 KB
subtask1_8594813796_75700.txt AC 39 ms 128 KB
subtask1_87654_12345.txt AC 22 ms 128 KB
subtask1_87654_138.txt AC 22 ms 128 KB
subtask1_87654_30.txt AC 24 ms 128 KB
subtask1_87654_4294967308.txt AC 39 ms 128 KB
subtask1_87654_45678.txt AC 22 ms 128 KB
subtask1_97822032312_49157112.txt AC 60 ms 128 KB
subtask1_98750604051_977728851.txt AC 60 ms 128 KB
subtask1_99999515529_1.txt AC 43 ms 128 KB
subtask1_99999515529_316226.txt AC 48 ms 128 KB
subtask1_99999515529_316227.txt AC 48 ms 128 KB
subtask1_99999515529_316228.txt AC 48 ms 128 KB
subtask1_99999515529_49999757765.txt AC 64 ms 128 KB
subtask1_99999515529_49999757766.txt AC 60 ms 128 KB
subtask1_99999515530_2.txt AC 43 ms 128 KB
subtask1_99999999977_1.txt AC 43 ms 128 KB
subtask1_99999999977_2.txt AC 43 ms 128 KB
subtask1_99999999977_49999999989.txt AC 60 ms 128 KB
subtask1_99999999977_49999999990.txt AC 60 ms 128 KB
subtask1_99999999999_1.txt AC 43 ms 128 KB
subtask1_99999999999_100000000000.txt AC 60 ms 128 KB