44 lines
806 B
C++
44 lines
806 B
C++
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#include <map>
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#include <iostream>
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#include <fstream>
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#include <string>
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using namespace std;
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int main() {
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map<int, bool> freqs;
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ifstream input;
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input.open("input");
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string line;
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int total = 0;
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int number;
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if (input.is_open()) {
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while (true) {
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input.clear();
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input.seekg(0, ios::beg);
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while (getline(input, line)) {
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auto found = freqs.find(total);
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if (found == freqs.end()) {
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// Insert new value
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freqs.insert(pair<int,bool>(total, true));
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} else {
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// Value was found. Exit.
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cout << found->first << endl;
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input.close();
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return 0;
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}
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number = stoi(line);
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total += number;
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}
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}
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} else {
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cout << "Could not open file." << endl;
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}
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return 1;
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}
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