53 lines
784 B
C++
53 lines
784 B
C++
#include <bits/stdc++.h>
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using namespace std;
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typedef unsigned long long ull;
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inline ull testn(vector<int> &ns, ull b) {
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ull v = ns[0];
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for (int i = 1; i < ns.size(); i++) {
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switch (b % 3) {
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case 0:
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v += ns[i];
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break;
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case 1:
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v *= ns[i];
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break;
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case 2:
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v *= pow(10, (int)log10(ns[i]) + 1);
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v += ns[i];
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}
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b /= 3;
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}
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return v;
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}
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int main() {
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ios::sync_with_stdio(0);
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cin.tie(0);
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ull sum = 0;
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string line;
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while (getline(cin, line) && !line.empty()) {
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istringstream l(line);
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ull n;
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int a;
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vector<int> ns;
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l >> n;
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l.ignore();
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while (l >> a) {
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ns.push_back(a);
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}
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ull btot = pow(3, (ns.size() - 1));
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for (ull b = 0; b <= btot; b++) {
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if (testn(ns, b) == n) {
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sum += n;
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break;
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}
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}
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}
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cout << sum << '\n';
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}
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