Submission #684008

#	Time	Username	Problem	Language	Result	Execution time	Memory
684008		pragmatist	UFO (IZhO14_ufo)	C++17	15 / 100	2089 ms	8148 KiB

ufo

/*
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("O3")
#pragma GCC target ("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")
*/

#include<bits/stdc++.h>
 
#define ld long double
#define sz(v) (int)v.size()
#define ll long long
#define pb push_back
#define x first
#define y second
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define nl "\n"

using namespace std;
using pii = pair<int, int>;

const int N = (int)1e2 + 7; // make sure this is right
const int M = (int)1e3 + 7;
const int inf = (int)2e9 + 7;
const ll INF = (ll)3e18 + 7; 
const double PI = acos(-1);
ll MOD = (ll)1e9 + 7; // make sure this is right

bool bit(int x, int i) {
	return x >> i & 1;
}

int sum(int x, int y) {
	x += y;
	if(x >= MOD) x -= MOD;
	return x;
}

pii dir[] = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};

int n, m, r, q, p;

void solve() {
	cin >> n >> m >> r >> q >> p;
	int a[n + 1][m + 1];
	for(int i = 1; i <= n; ++i) {
		for(int j = 1; j <= m; ++j) {
			cin >> a[i][j];
		}
	}
	while(q--) {
		char tp;
		cin >> tp;
		int x, y;
		cin >> x >> y;
		if(tp == 'W') {
			for(int i = 1, cnt = r; i <= m && cnt; ++i) {
				if(a[x][i] >= y) {
					a[x][i]--;
					cnt--;
				}
			}
		}
		if(tp == 'E') {
			for(int i = m, cnt = r; i >= 1 && cnt; --i) {
				if(a[x][i] >= y) {
					a[x][i]--;
					cnt--;
				}
			}
		}
		if(tp == 'N') {
			for(int i = 1, cnt = r; i <= n && cnt; ++i) {
				if(a[i][x] >= y) {
					a[i][x]--;
					cnt--;
				}
			}
		}
		if(tp == 'S') {
			for(int i = n, cnt = 1; i >= 1 && cnt; --i) {
				if(a[i][x] >= y) {
					a[i][x]--;
					cnt--;
				}
			}
		}
	}
	int ans = 0;
	for(int i = 1; i <= n - p + 1; ++i) {
		for(int j = 1; j <= m - p + 1; ++j) {
			int cur = 0;
			for(int ii = i; ii <= i + p - 1; ++ii) {
				for(int jj = j; jj <= j + p - 1; ++jj) {
					cur += a[ii][jj];
				}
			}
			ans = max(ans, cur);
		}
	}
	cout << ans;
}

signed main() {	
	ios_base::sync_with_stdio(0);
	cin.tie(0);
//	freopen("g.in", "r", stdin);
//	freopen("g.out", "w", stdout);
	int test = 1;
	//cin >> test;
	for(int i = 1; i <= test; ++i) {
	 	//cout << "Case #" << i << ": ";
		solve();
	}
	return 0;
}

• Subtask 1: 15 / 100