oj.uz

Submission #39059

# Submission time Handle Problem Language Result Execution time Memory
39059 2018-01-09T06:42:56 Z RockyB UFO (IZhO14_ufo) C++14
60 / 100
 2000 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;
	}
	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 <= 3000; i--, total++) {
				if (a[i][x] >= y) a[i][x]--, done++;
			}
		}
		else if (c == 'N') {
			while (!a[N[x]][x] && N[x] <= n) N[x]++;
			for (int i = N[x], done = 0, total = 0; done < r && i <= n && total <= 3000; i++, total++) {
				if (a[i][x] >= y) a[i][x]--, done++;
			}
		}
		else if (c == 'W') {
			while (!a[x][W[x]] && W[x] <= m) W[x]++;
			for (int i = W[x], done = 0, total = 0; done < r && i <= m && total <= 3000; i++, total++) {
				if (a[x][i] >= y) a[x][i]--, done++;
			}
		}
		else {
			for (int i = E[x], done = 0, total = 0; done < r && i >= 1 && total <= 3000; 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
60.0 / 100.0

# Verdict Execution time Memory 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 43 ms 35248 KB Output is correct
7 Correct 856 ms 37580 KB Output is correct
8 Correct 859 ms 37580 KB Output is correct
9 Runtime error 36 ms 37384 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 33 ms 37580 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Runtime error 33 ms 37516 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 29 ms 37580 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Correct 93 ms 41816 KB Output is correct
14 Correct 786 ms 37516 KB Output is correct
15 Incorrect 783 ms 37580 KB Output isn't correct
16 Correct 1093 ms 37516 KB Output is correct
17 Execution timed out 2000 ms 41816 KB Execution timed out
18 Execution timed out 2000 ms 41760 KB Execution timed out
19 Incorrect 1073 ms 37972 KB Output isn't correct
20 Correct 1189 ms 41084 KB Output is correct