문제 링크 : boj.kr/31885난이도 : G3태그 : 애드혹, set코드#include #define all(x) (x).begin(), (x).end()#define INF 0x7FFFFFFFusing namespace std;using ll = long long;using ld = long double;using pii = pair;using pll = pair;ll dist(pll a, pll b) { return abs(a.first-b.first) + abs(a.second-b.second);}int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, k; cin >> n >> k; set _s..