Submission #5544534
Source Code Expand
#include<bits/stdc++.h> #define ll long long #define inf 0x3f3f3f3f3f3f3f3fLL #define rep(i,a,b) for(register ll i=(a);i<=(b);i++) #define dep(i,a,b) for(register ll i=(a);i>=(b);i--) using namespace std; const int maxn=50+5; const int maxm=5000+5; //const double pi=acos(-1.0); //const double eps=1e-9; const ll mo=1e9+7; ll n,m,k; int a[maxn]; ll ans,tmp,cnt; char s[maxn]; ll power(ll a,ll n) { ll sum=1; while(n) { if(n&1) sum=sum*a%mo; n>>=1; a=a*a%mo; } return sum; } ll f(ll b,ll n) { if(n<b) return n; return n%b+f(b,n/b); } int main() { while(scanf("%lld%lld",&n,&m)!=EOF) { ll ans=inf,tmp=sqrt(n*1.0); for(ll i=1;i<=tmp;i++) { ll b=n/i; if((n/b)!=i) continue; if(b<2) continue; ll x=n%b; ll y=(n/i)-(n/(i+1)); ll z=m-i-x; if(((z/i)<y)&&(z%i==0)&&m-i>=0) ans=min(ans,b); } for(ll i=2;i<=tmp;i++) { if(f(i,n)==m) {ans=min(i,ans);break;} } if(ans==inf) ans=-1; printf("%lld\n",ans); } return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Digit Sum |
User | IGVA |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1208 Byte |
Status | WA |
Exec Time | 20 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | ||||||
Status |
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Set Name | Test Cases |
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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 | 14 ms | 256 KB |
subtask1_100000000000_100000000000.txt | WA | 20 ms | 256 KB |
subtask1_100000000000_2.txt | AC | 20 ms | 256 KB |
subtask1_100000000000_3.txt | WA | 20 ms | 256 KB |
subtask1_100000000000_50000000000.txt | WA | 20 ms | 256 KB |
subtask1_100000000000_50000000001.txt | AC | 20 ms | 256 KB |
subtask1_100000000000_99999999999.txt | AC | 20 ms | 256 KB |
subtask1_16983563041_1.txt | AC | 6 ms | 256 KB |
subtask1_1_1.txt | WA | 1 ms | 256 KB |
subtask1_1_2.txt | AC | 1 ms | 256 KB |
subtask1_1_31415926535.txt | AC | 1 ms | 256 KB |
subtask1_239484768_194586924.txt | AC | 2 ms | 256 KB |
subtask1_2_1.txt | AC | 1 ms | 256 KB |
subtask1_2_2.txt | WA | 1 ms | 256 KB |
subtask1_31415926535_1.txt | AC | 12 ms | 256 KB |
subtask1_49234683534_2461734011.txt | WA | 14 ms | 256 KB |
subtask1_4_1.txt | AC | 1 ms | 256 KB |
subtask1_58640129658_232122496.txt | WA | 15 ms | 256 KB |
subtask1_68719476735_35.txt | AC | 14 ms | 256 KB |
subtask1_68719476735_36.txt | AC | 11 ms | 256 KB |
subtask1_68719476735_37.txt | AC | 17 ms | 256 KB |
subtask1_68719476736_1.txt | AC | 11 ms | 256 KB |
subtask1_68719476736_2.txt | AC | 11 ms | 256 KB |
subtask1_72850192441_16865701.txt | WA | 17 ms | 256 KB |
subtask1_79285169301_27.txt | AC | 12 ms | 256 KB |
subtask1_82914867733_1676425945.txt | WA | 18 ms | 256 KB |
subtask1_8594813796_75700.txt | AC | 6 ms | 256 KB |
subtask1_87654_12345.txt | WA | 1 ms | 256 KB |
subtask1_87654_138.txt | AC | 1 ms | 256 KB |
subtask1_87654_30.txt | AC | 1 ms | 256 KB |
subtask1_87654_4294967308.txt | AC | 1 ms | 256 KB |
subtask1_87654_45678.txt | AC | 1 ms | 256 KB |
subtask1_97822032312_49157112.txt | WA | 20 ms | 256 KB |
subtask1_98750604051_977728851.txt | WA | 20 ms | 256 KB |
subtask1_99999515529_1.txt | AC | 20 ms | 256 KB |
subtask1_99999515529_316226.txt | WA | 20 ms | 256 KB |
subtask1_99999515529_316227.txt | WA | 20 ms | 256 KB |
subtask1_99999515529_316228.txt | AC | 20 ms | 256 KB |
subtask1_99999515529_49999757765.txt | WA | 20 ms | 256 KB |
subtask1_99999515529_49999757766.txt | AC | 20 ms | 256 KB |
subtask1_99999515530_2.txt | AC | 20 ms | 256 KB |
subtask1_99999999977_1.txt | AC | 20 ms | 256 KB |
subtask1_99999999977_2.txt | WA | 20 ms | 256 KB |
subtask1_99999999977_49999999989.txt | WA | 20 ms | 256 KB |
subtask1_99999999977_49999999990.txt | AC | 20 ms | 256 KB |
subtask1_99999999999_1.txt | AC | 20 ms | 256 KB |
subtask1_99999999999_100000000000.txt | AC | 20 ms | 256 KB |