답안 #91483

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
91483 2018-12-27T16:59:41 Z Just_Solve_The_Problem UFO (IZhO14_ufo) C++11
0 / 100
902 ms 212236 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);
		}
	}
	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);
			}
		}
	}
	return 0;
	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:103:8: 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 Runtime error 2 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Incorrect 2 ms 624 KB Output isn't correct
3 Runtime error 3 ms 680 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Incorrect 16 ms 1104 KB Output isn't correct
5 Incorrect 81 ms 2888 KB Output isn't correct
6 Incorrect 215 ms 18232 KB Output isn't correct
7 Runtime error 278 ms 85524 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 245 ms 85524 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 231 ms 85524 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 239 ms 85524 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Incorrect 404 ms 85524 KB Output isn't correct
12 Runtime error 246 ms 85524 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 241 ms 91948 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Incorrect 523 ms 91948 KB Output isn't correct
15 Incorrect 609 ms 91948 KB Output isn't correct
16 Runtime error 248 ms 91948 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Incorrect 902 ms 91948 KB Output isn't correct
18 Runtime error 226 ms 91948 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Runtime error 277 ms 99652 KB Execution killed with signal 11 (could be triggered by violating memory limits)
20 Runtime error 419 ms 212236 KB Execution killed with signal 11 (could be triggered by violating memory limits)