Algorithm/Problem Solve
[백준 11650번] 좌표 정렬하기 (vector sort compare사용)
아네스
2020. 12. 13. 22:21
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#include <bits/stdc++.h>
using namespace std;
int N;
vector<pair<int, int>> v;
bool compare(pair<int,int>& a,pair<int,int>& b)
{
if (a.first == b.first)
{
return a.second < b.second;
}
else {
return a.first < b.first;
}
}
int main(void)
{
ios::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
cin >> N;
for (int i = 0; i < N; i++)
{
int a, b;
cin >> a >> b;
v.push_back({ a,b });
}
sort(v.begin(), v.end(), compare);
for (int i = 0; i < N; i++)
{
cout << v[i].first << ' ' << v[i].second << '\n';
}
}
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