Submission #3228495

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Source Code Expand

#include <iostream>
#include <vector>
#include <numeric>//accumulate(v.begin(), v.end(), 0);
#include <algorithm>//sort(v.begin(),v.end());
#include <string>//
#include <cmath>
#include <iomanip> //setprecision(2)
using namespace std;
#define ll long long
#define rep(i, n) for(int i = 0; i < (int)(n); i++)

int main(){
        string s;
        int N;
        cin >> s;
        N=s.size();
        ll ans = 0;
        rep(i,N) {
                ll sm = 0;
                ll a = s[0] - '0';
                rep(j,N) {
                        if (i & (1 << j)) {
                                sm += a;
                                a = 0;
                        }
                        a = a * 10 + s[j + 1] - '0';
                }
                sm += a;
                ans += sm;
        }
        cout << ans << endl;

        return 0;
}

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