제출 #81821

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
81821	2018-10-27 03:15:23	mra2322001	호화 벙커 (IZhO13_burrow)	C++14	100 / 100	795 ms	54500 KiB

burrow

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#include <bits/stdc++.h>
#define f0(i, n) for(int i(0); i < (n); i++)
#define f1(i, n) for(int i(1); i <= n; i++)
using namespace std;
typedef long long ll;
const int N = 1002;
int n, k, a[N][N], m, l[N], r[N], b[N], cur = 0;
vector <int> v;
bool check(int x){
    f1(i, n) b[i] = 0;
    int res = 0;
    stack <int> s;
    f1(i, m){
        f1(j, n){
            if(a[i][j] >= x) b[j]++;
            else b[j] = 0;
        }
        f1(j, n){
            while(s.size() && b[s.top()] >= b[j]) s.pop();
            if(s.size()) l[j] = s.top() + 1;
            else l[j] = 1;
            s.push(j);
        }
        while(s.size()) s.pop();
        for(int j = n; j >= 1; j--){
            while(s.size() && b[s.top()] >= b[j]) s.pop();
            if(s.size()) r[j] = s.top() - 1;
 
 
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• Subtask 1: 100 / 100