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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#698633#9248. An Easy Math ProblemSDNUyuqi#WA 119ms7652kbC++231.7kb2024-11-01 20:56:282024-11-01 20:56:28

Judging History

This is the latest submission verdict.

  • [2024-11-01 20:56:28]
  • Judged
  • Verdict: WA
  • Time: 119ms
  • Memory: 7652kb
  • [2024-11-01 20:56:28]
  • Submitted

answer

#include<bits/stdc++.h>

using namespace std;

#define endl "\n"

typedef long long ll;

const int N=1e6+100;
const int M=1e5;
int flag[N];
vector<int>p;
map<int,int>yz;
ll su;

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    for(int i=2;i<=M;i++)
    {
        if(!flag[i])
        {
            p.push_back(i);
        }
        for(auto j:p)
        {
            if(j*i>N)
            {
                break;
            }
            flag[j*i]=1;
            if(i%j==0)
            {
                break;
            }
        }
    }
    int T;
    cin>>T;
    while(T--)
    {
        su=1;
        yz.clear();
        ll n;
        cin>>n;
        for(auto i:p)
        {
            if(n%i!=0)
            {
                continue;
            }
                while(n%i==0)
                {
                    n/=i;
                    yz[i]++;
                }
                su*=(yz[i]+1);

        }
        if(n!=1)
        {
            yz[n]++;
            su*=(yz[n]+1);
        }
        ll an=0;
        vector<pair<int,int>>zy;
        for(auto [i,j]:yz)
        {
            zy.push_back({i,j});
        }
        int nu=yz.size();
        for(int i=1;i<(1<<nu)-1;i++)
        {
            ll mul=1;
            for(int j=0;j<nu;j++)
            {
                if((i>>j)&1)
                {
                    mul*=zy[j].second+1;
                }
            }
            if(mul==su)
            {
                continue;
            }
            an+=(mul-1)*(su/mul-1);
        }
        cout<<an/2+su<<endl;
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 7652kb

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: 119ms
memory: 7600kb

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:

466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775
466775...

result:

wrong answer 1st lines differ - expected: '29525', found: '466775'