답안 #91482

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
91482 2018-12-27T16:59:09 Z Just_Solve_The_Problem UFO (IZhO14_ufo) C++11
0 / 100
308 ms 106264 KB
#include <bits/stdc++.h>
 
using namespace std;
 
#define ll long long
 
struct T {
	vector < int > tree;
	T() {
	}
	void init(int n) {
		tree.resize(4 * n + 7);
	}
	void upd(int pos, int val, int v, int l, int r) {
		if (l == r) {
			tree[v] = val;
			return ;
		}
		int mid = (l + r) >> 1;
		if (pos <= mid) {
			upd(pos, val, v + v, l, mid);
		} else {
			upd(pos, val, v + v + 1, mid + 1, r);
		}
		tree[v] = max(tree[v + v], tree[v + v + 1]);
	}
	
	int findleft(int val, int l, int r, int v, int tl, int tr) {
		int mid = (tl + tr) >> 1;
		if (l <= tl && tr <= r) {
			if (tree[v] < val) return -1;
			if (tl == tr) return tl;
			if (tree[v + v] >= val) {
				return findleft(val, l, r, v + v, tl, mid);
			}
			return findleft(val, l, r, v + v + 1, mid + 1, tr);
		} else {
			int ans = -1;
			if (l <= mid && tree[v + v] >= val) {
				ans = findleft(val, l, r, v + v, tl, mid);
			}
			if (mid + 1 <= r && ans == -1 && tree[v + v + 1] >= val) {
				ans = findleft(val, l, r, v + v + 1, mid + 1, tr);
			}
			return ans;
		}
	}
	
	int findright(int val, int l, int r, int v, int tl, int tr) {
		int mid = (tl + tr) >> 1;
		if (l <= tl && tr <= r) {
			if (tree[v] < val) return -1;
			if (tl == tr) return tl;
			if (tree[v + v + 1] >= val) {
				return findright(val, l, r, v + v + 1, mid + 1, tr);
			}
			return findright(val, l, r, v + v, tl, mid);
		} else {
			int ans = -1;
			if (mid + 1 <= r && tree[v + v + 1] >= val) {
				ans = findright(val, l, r, v + v + 1, mid + 1, tr);
			}
			if (l <= mid && ans == -1 && tree[v + v] >= val) {
				ans = findright(val, l, r, v + v, tl, mid);
			}
			return ans;
		}
	}
};
 
int n, m, k, r, p;
vector < vector < int > > mat;
vector < T > col, row;
 
main() {
	scanf("%d %d %d %d %d", &n, &m, &r, &k, &p);
	for (int i = 0; i < n; i++) {
		mat.push_back(vector < int > (m));
		for (int j = 0; j < m; j++) {
			scanf("%d", &mat[i][j]);
		}
	}
	for (int i = 0; i < n; i++) {
		row.push_back(T());
		row[i].init(m);
	}
		
	for (int i = 0; i < m; i++) {
		col.push_back(T());
		col[i].init(n);
	}
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			row[i].upd(j, mat[i][j], 1, 0, m - 1);
			col[j].upd(i, mat[i][j], 1, 0, n - 1);
		}
	}
	return 0;
	while (k--) {
		char tp;
		tp = getchar();
		if (tp == '\n') tp = getchar();
		int in, h;
		scanf("%d %d", &in, &h);
		int i = 0;
		in--;
		if (tp == 'N') {
			int pos = -1;
			while (pos + 1 < n && i++ < r) {
				pos = col[in].findleft(h, pos + 1, n - 1, 1, 0, n - 1);
				if (pos == -1) break;
				mat[pos][in]--;
				col[in].upd(pos, mat[pos][in], 1, 0, n - 1);
				row[pos].upd(in, mat[pos][in], 1, 0, m - 1);
			}
		} else if (tp == 'S') {
			int pos = n;
			while (pos - 1 >= 0 && i++ < r) {
				pos = col[in].findright(h, 0, pos - 1, 1, 0, n - 1);
				if (pos == -1) break;
				mat[pos][in]--;
				col[in].upd(pos, mat[pos][in], 1, 0, n - 1);
				row[pos].upd(in, mat[pos][in], 1, 0, m - 1);
			}
		} else if (tp == 'W') {
			int pos = -1;
			while (pos + 1 < m && i++ < r) {
				pos = row[in].findleft(h, pos + 1, m - 1, 1, 0, m - 1);
				if (pos == -1) break;
				mat[in][pos]--;
				row[in].upd(pos, mat[in][pos], 1, 0, m - 1);
				col[pos].upd(in, mat[in][pos], 1, 0, n - 1);
			}
		} else {
			int pos = m;
			while (pos - 1 >= 0 && i++ < r) {
				pos = row[in].findright(h, 0, pos - 1, 1, 0, m - 1);
				if (pos == -1) break;
				mat[in][pos]--;
				row[in].upd(pos, mat[in][pos], 1, 0, m - 1);
				col[pos].upd(in, mat[in][pos], 1, 0, n - 1);
			}
		}
	}
	ll sum[n + 1][m + 1];
	memset(sum, 0, sizeof sum);
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) {
			sum[i][j] = mat[i - 1][j - 1];
			sum[i][j] += sum[i - 1][j];
			sum[i][j] += sum[i][j - 1];
			sum[i][j] -= sum[i - 1][j - 1];
		}
	}
	ll ans = 0;
	for (int i = p; i <= n; i++) {
		for (int j = p; j <= m; j++) {
			ans = max(ans, sum[i][j] - sum[i][j - p] - sum[i - p][j] + sum[i - p][j - p]);
		}
	}
	cout << ans;
}

Compilation message

ufo.cpp:75:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
ufo.cpp: In function 'int main()':
ufo.cpp:76:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d %d %d", &n, &m, &r, &k, &p);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ufo.cpp:80:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &mat[i][j]);
    ~~~~~^~~~~~~~~~~~~~~~~~
ufo.cpp:104:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &in, &h);
   ~~~~~^~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Incorrect 2 ms 508 KB Output isn't correct
3 Incorrect 2 ms 544 KB Output isn't correct
4 Incorrect 3 ms 860 KB Output isn't correct
5 Incorrect 11 ms 2560 KB Output isn't correct
6 Incorrect 124 ms 17984 KB Output isn't correct
7 Incorrect 221 ms 42812 KB Output isn't correct
8 Incorrect 216 ms 42984 KB Output isn't correct
9 Incorrect 204 ms 42984 KB Output isn't correct
10 Incorrect 201 ms 42984 KB Output isn't correct
11 Incorrect 185 ms 42984 KB Output isn't correct
12 Incorrect 198 ms 42984 KB Output isn't correct
13 Incorrect 193 ms 45964 KB Output isn't correct
14 Incorrect 194 ms 45964 KB Output isn't correct
15 Incorrect 233 ms 45964 KB Output isn't correct
16 Incorrect 211 ms 45964 KB Output isn't correct
17 Incorrect 251 ms 45964 KB Output isn't correct
18 Incorrect 175 ms 45964 KB Output isn't correct
19 Incorrect 204 ms 49924 KB Output isn't correct
20 Incorrect 308 ms 106264 KB Output isn't correct