제출 #1017200

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1017200		Gray	Bomb (IZhO17_bomb)	C++17	24 / 100	134 ms	55748 KiB

bomb

#include <algorithm>
#include <cassert>
#include <cstring>
#include <deque>
#include <ios>
#include <iostream>
#include <map>
#include <vector>
#define ll long long
#define ull unsigned ll
#define ld long double
#define ff first
#define ss second
#define ln "\n"
#define pll pair<ll, ll>
using namespace std;

void solve(){
	ll n, m; cin >> n >> m;
	vector<vector<ll>> a(n, vector<ll>(m));
	for (ll i=0; i<n; i++) for (ll j=0; j<m; j++) {
		char x; cin >> x;
		a[i][j]=x-'0';
	}
	ll w=2e18, h=2e18;
	for (ll i=0; i<n; i++){
		ll cc=0;
		for (ll j=0; j<m; j++){
			if (a[i][j]==1){
				cc++;
			}else {
				if (cc) h=min(h, cc); 
				cc=0;
			}
		}
		if (cc) h=min(h, cc);
	}
	for (ll j=0; j<m; j++){
		ll cc=0;
		for (ll i=0; i<n; i++){
			if (a[i][j]==1){
				cc++;
			}else {
				if (cc) w=min(w, cc); 
				cc=0;
			}
		}
		if (cc) w=min(w, cc);
	}
	cout << h*w << ln;
}
int main(){
  	ios_base::sync_with_stdio(0);
  	cin.tie(nullptr);
  	ll t=1;
  	// cin >> t;
  	while (t--)solve();
}

• Subtask 1: 24 / 100