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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#692777#9248. An Easy Math ProblemWaO_o#WA 342ms3644kbC++201.8kb2024-10-31 15:01:352024-10-31 15:01:36

Judging History

This is the latest submission verdict.

  • [2024-10-31 22:36:43]
  • hack成功,自动添加数据
  • (/hack/1098)
  • [2024-10-31 22:13:58]
  • hack成功,自动添加数据
  • (/hack/1096)
  • [2024-10-31 22:00:43]
  • hack成功,自动添加数据
  • (/hack/1095)
  • [2024-10-31 15:01:36]
  • Judged
  • Verdict: WA
  • Time: 342ms
  • Memory: 3644kb
  • [2024-10-31 15:01:35]
  • Submitted

answer

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define deg( x ) cout<<""#x"="<<x<<endl
#define endl '\n'
#define pll pair<int,int>
#define se second
#define fr first
#define double long double

const int N=1e5+10;

int gcd( int a , int b ){
    if( b==0 ) return a;
    return gcd( b , a%b );
}

int idx=0 , idn=0;

int fac[ N ] , num[ N ] , fan[ N ];

void dec( int x ){
    idx=0;

    //fac[ ++idx ]=1 , num[ idx ]=1;
    for( int i=2; i*i<=x; i++ ){
        if( x%i==0 ) fac[ ++idx ]=i , num[ idx ]=0;
        while( x%i==0 ){
            num[ idx ]+=1;
            x/=i;
        }
    }

    if( x!=1 ) fac[ ++idx ]=x , num[ idx ]=1;

    idn=1; fan[ 1 ]=1;

    for( int i=1; i<=idx; i++ ){
        int en=idn , te=1;
        int now=fac[ i ];

        for( int k=1; k<=num[ i ]; k++ ){
            te*=now;
            for( int j=1; j<=en; j++ ) fan[ ++idn ]=fan[ j ]*te;
        }
    }


    sort( fan+1 , fan+1+idn );

}

void solve(){
    int n;
    cin>>n;
    //n=1e10;

    dec( n );

    int ans=0;

    bool ok=false;

    map< double , int > mp;
    for( int i=1; i<=idn; i++ ){
        int p=fan[ i ];
        //cout<<p<<" ";
        for( int j=i; j<=idn; j++ ){
            int q=fan[ j ];
            if( p*q > n ){
                ok=true;
                break;
            }
            else if( n%( p*q )==0 ){
                double te=(double)q/(double)p;
                if( mp[ te ]==0 ){
                    mp[ te ]=1;
                    ans++;
                }
            }
        }
        if( ok ) break;
    }

    cout<<ans<<endl;

}

signed main() {
    ios::sync_with_stdio( 0 );
    cout.tie( 0 ); cin.tie( 0 );

    int T=1;
    cin>>T;
    while( T-- ){
        solve();
    }

    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3572kb

input:

10
1
2
3
4
5
6
7
8
9
10

output:

1
2
2
3
2
5
2
4
3
5

result:

ok 10 lines

Test #2:

score: -100
Wrong Answer
time: 342ms
memory: 3644kb

input:

2000
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
6469693230
646969323...

output:

1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
1535
...

result:

wrong answer 1st lines differ - expected: '29525', found: '1535'