oj.uz

답안 #39071

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
39071 2018-01-09T07:00:58 Z RockyB UFO (IZhO14_ufo) C++14
85 / 100
 1933 ms 41816 KB 
/// In The Name Of God
 
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,sse3,sse4,popcnt,abm,mmx")
 
#include <bits/stdc++.h>
 
#define f first
#define s second
 
#define pb push_back
#define pp pop_back
#define mp make_pair
 
#define sz(x) (int)x.size()
#define sqr(x) ((x) * 1ll * (x))
#define all(x) x.begin(), x.end()
 
#define Kazakhstan ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
 
#define nl '\n'
#define ioi exit(0);
 
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
 
const int inf = (int)1e9 + 7, mod = (int)1e9 + 7;
const ll linf = (ll)1e18 + 7;
const int dx[] = {-1, 0, 1, 0, 1, -1, -1, 1}, dy[] = {0, 1, 0, -1, 1, -1, 1, -1};
 
using namespace std;

int get_int() {
	char x = getchar();
	while (!isdigit(x)) x = getchar();
	int res = 0;
	while (isdigit(x)) res = res * 10 + x - '0', x = getchar();
	return res;
}
char get_char() {
	char x = getchar();
	while (!isalpha(x)) x = getchar();
	return x;
}
 
int n, m, r, k, p;
vector < vector <int> > a;
int get(int x1, int y1) {
	int res = 0;
	int x2 = x1 + p - 1, y2 = y1 + p - 1;
	return a[x2][y2] - a[x1 - 1][y2] - a[x2][y1 - 1] + a[x1 - 1][y1 - 1];
}
void build() {
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) {
			a[i][j] += a[i - 1][j];
			a[i][j] += a[i][j - 1];
			a[i][j] -= a[i - 1][j - 1];
		}
	}
}

int S[(int)2e6], N[(int)2e6], E[(int)2e6], W[(int)2e6];
int main() {
	#ifdef IOI2018
		freopen ("in.txt", "r", stdin);
	#endif
	n = get_int(), m = get_int(), r = get_int(), k = get_int(), p = get_int();
	a.resize(n + 2);
	a[0].resize(m + 2);
	for (int i = 1; i <= n; i++) {
		a[i].resize(m + 2);
		for (int j = 1; j <= m; j++) {
			a[i][j] = get_int();
		}
	}
	
	for (int i = 1; i <= m; i++) {
		S[i] = n;
		N[i] = 1;
	}
	for (int i = 1; i <= n; i++) {
		E[i] = m;
		W[i] = 1;
	}
	const int go = 2500;
	for (int t = 1; t <= k; t++) {
		char c = get_char();
		int x = get_int(), y = get_int();
		if (c == 'S') {
			while (!a[S[x]][x] && S[x] >= 1) S[x]--;
			for (int i = S[x], done = 0, total = 0; done < r && i >= 1 && total <= go; i--, total++) {
				if (a[i][x] >= y) a[i][x]--, done++;
			}
		}
		else if (c == 'N') {
			while (N[x] <= n && !a[N[x]][x]) N[x]++;
			for (int i = N[x], done = 0, total = 0; done < r && i <= n && total <= go; i++, total++) {
				if (a[i][x] >= y) a[i][x]--, done++;
			}
		}
		else if (c == 'W') {
			while (W[x] <= m && !a[x][W[x]]) W[x]++;
			for (int i = W[x], done = 0, total = 0; done < r && i <= m && total <= go; i++, total++) {
				if (a[x][i] >= y) a[x][i]--, done++;
			}
		}
		else {
			while (!a[x][E[x]] && E[x] >= 1) E[x]--;
			for (int i = E[x], done = 0, total = 0; done < r && i >= 1 && total <= go; i--, total++) {
				if (a[x][i] >= y) a[x][i]--, done++;
			}
		}
	}
	int ans = 0;
	build();
	for (int i = 1; i <= n - p + 1; i++) {
		for (int j = 1; j <= m - p + 1; j++) {
			ans = max(ans, get(i, j));
		}
	}
	cout << ans;
	ioi
}

Compilation message

ufo.cpp: In function 'int get(int, int)':
ufo.cpp:50:6: warning: unused variable 'res' [-Wunused-variable]
  int res = 0;
      ^

Subtask #1
85.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 33268 KB Output is correct
2 Correct 0 ms 33268 KB Output is correct
3 Correct 0 ms 33268 KB Output is correct
4 Correct 3 ms 33268 KB Output is correct
5 Correct 13 ms 33540 KB Output is correct
6 Correct 59 ms 35248 KB Output is correct
7 Correct 803 ms 37580 KB Output is correct
8 Correct 773 ms 37580 KB Output is correct
9 Correct 56 ms 37384 KB Output is correct
10 Correct 53 ms 37580 KB Output is correct
11 Correct 49 ms 37516 KB Output is correct
12 Correct 56 ms 37580 KB Output is correct
13 Correct 93 ms 41816 KB Output is correct
14 Correct 709 ms 37516 KB Output is correct
15 Incorrect 703 ms 37580 KB Output isn't correct
16 Correct 1036 ms 37516 KB Output is correct
17 Incorrect 1933 ms 41816 KB Output isn't correct
18 Correct 1649 ms 41760 KB Output is correct
19 Incorrect 953 ms 37972 KB Output isn't correct
20 Correct 926 ms 41084 KB Output is correct