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Use set.insert retval to determine duplicate values

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Jack Bond-Preston 2018-12-01 22:44:45 +00:00
parent 4a306e36a2
commit 7e9f1b8f47
1 changed files with 2 additions and 2 deletions
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4
aoc-1/main.cpp
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@ -33,11 +33,11 @@ int main() {
in.seekg(0, std::ios::beg);
while (std::getline(in, line) && !reoccurence_found) {
if (seen_values.find(total) != seen_values.end()) { // if total is already in set
auto result = seen_values.insert(total); // add it to set
if (!result.second) { // if it could not be inserted
first_reocurrence = total;
reoccurence_found = true;
}
else seen_values.insert(total); // add it to set
long value = std::stol(line);