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55 lines
1.1 KiB
55 lines
1.1 KiB
#include <iostream>
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#include <vector>
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#include <array>
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#include <algorithm>
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using namespace std;
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struct Range {
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unsigned min;
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unsigned max;
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bool contains(const Range &in) const {
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return min <= in.min && max >= in.max;
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}
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bool overlaps(const Range &in) const {
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return min <= in.max && in.min <= max;
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}
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};
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typedef vector<array<Range, 2>> Input;
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Input parse()
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{
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Input data;
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for (string line; getline(cin, line);) {
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array<Range, 2> entry;
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sscanf(line.c_str(), "%u-%u,%u-%u",
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&entry[0].min, &entry[0].max,
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&entry[1].min, &entry[1].max);
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data.push_back(entry);
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}
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return data;
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}
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unsigned p1(const Input &input)
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{
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return count_if(input.begin(), input.end(), [](decltype(input[0]) i){
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return i[0].contains(i[1]) || i[1].contains(i[0]);
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});
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}
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unsigned p2(const Input &input)
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{
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return count_if(input.begin(), input.end(), [](decltype(input[0]) i){
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return i[0].overlaps(i[1]);
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});
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}
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int main()
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{
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auto input = parse();
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cout << p1(input) << endl;
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cout << p2(input) << endl;
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}
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