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#include "aoc.h"
#include <algorithm>
#include <vector>
namespace aoc2022 {
std::pair<int, int> day4(line_view file) {
int c1{0}, c2{0};
per_line(file, [&c1, &c2](line_view lv){
apair p;
p.load(lv);
c1 += (int) p.covered();
c2 += (int) p.overlap();
return true;
});
return {c1, c2};
}
} // namespace aoc2022
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