문제 링크 : boj.kr/31858난이도 : G4태그 : 애드혹, 스택코드#include #define all(x) (x).begin(), (x).end()#define INF 987654321#define int llusing namespace std;using ll = long long;using ld = long double;using pii = pair;using pll = pair;istream& operator>>(istream & ist, pii &p) { ist >> p.first >> p.second; return ist;}template istream& operator>>(istream & ist, vector &arr) { for(auto &u : arr) ist >..