Submission #59876

# Submission time Handle Problem Language Result Execution time Memory
59876 2018-07-23T08:26:03 Z ainta(#1720) Cultivation (JOI17_cultivation) C++11
15 / 100
2000 ms 263168 KB
#include<cstdio>
#include<algorithm>
#include<set>
using namespace std;
int W, H, n,  S[130][130], M[130][130], D[130][130];
set<int>X, Y;
struct point {
	int x, y;
}w[330];
bool Pos(int dx, int dy) {
	int i, j;
	for (i = 0; i < 130; i++)for (j = 0; j < 130; j++)S[i][j] = 0;
	for (i = 1; i <= n; i++) {
		S[w[i].x][w[i].y]++;
		S[w[i].x][w[i].y+dy+1]--;
		S[w[i].x+dx+1][w[i].y]--;
		S[w[i].x+dx+1][w[i].y+dy+1]++;
	}
	for (i = 1; i < 130; i++)for (j = 1; j < 130; j++)S[i][j] += S[i][j - 1];
	for (i = 1; i < 130; i++)for (j = 1; j < 130; j++)S[i][j] += S[i-1][j];
	for (i = 1; i < 130; i++) {
		for (j = 1; j < 130; j++) {
			if (!S[i][j])M[i][j] = 0;
			else M[i][j] = M[i][j - 1] + 1;
		}
	}
	for (i = 1; i < 130; i++) {
		for (j = 1; j < 130; j++) {
			if (M[i][j] < H)D[i][j] = 0;
			else D[i][j] = D[i - 1][j] + 1;
			if (D[i][j] >= W) {
				return true;
			}
		}
	}
	return false;
}
int main() {
	
	int i, j;
	scanf("%d%d%d", &W, &H, &n);
	for (i = 1; i <= n; i++) {
		scanf("%d%d", &w[i].x, &w[i].y);
	}
	for (i = 1; i <= n; i++) {
		for (j = 1; j <= n; j++) {
			if (w[i].x <= w[j].x) {
				if(w[j].x>w[i].x)X.insert(w[j].x - w[i].x - 1);
				X.insert(w[i].x - 1 + W - w[j].x);
			}
			if (w[i].y <= w[j].y) {
				if (w[j].y>w[i].y)Y.insert(w[j].y - w[i].y - 1);
				Y.insert(w[i].y - 1 + H - w[j].y);
			}
		}
	}
	for (i = 0; i <= max(2*W, 2*H); i++)X.insert(i),Y.insert(i);
	int res = 1e9;
	for (auto &x : X) {
		for (auto &y : Y) {
			if (Pos(x, y)) {
				res = min(res, x + y);
			}
		}
	}
	printf("%d\n", res);
	return 0;
}

Compilation message

cultivation.cpp: In function 'int main()':
cultivation.cpp:41:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &W, &H, &n);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~
cultivation.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &w[i].x, &w[i].y);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 13 ms 504 KB Output is correct
2 Correct 12 ms 504 KB Output is correct
3 Correct 7 ms 520 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 9 ms 596 KB Output is correct
6 Correct 13 ms 644 KB Output is correct
7 Correct 10 ms 644 KB Output is correct
8 Correct 10 ms 772 KB Output is correct
9 Correct 11 ms 836 KB Output is correct
10 Correct 10 ms 836 KB Output is correct
11 Correct 14 ms 836 KB Output is correct
12 Correct 7 ms 836 KB Output is correct
13 Correct 9 ms 836 KB Output is correct
14 Correct 11 ms 836 KB Output is correct
15 Correct 10 ms 836 KB Output is correct
16 Correct 12 ms 836 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 13 ms 504 KB Output is correct
2 Correct 12 ms 504 KB Output is correct
3 Correct 7 ms 520 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 9 ms 596 KB Output is correct
6 Correct 13 ms 644 KB Output is correct
7 Correct 10 ms 644 KB Output is correct
8 Correct 10 ms 772 KB Output is correct
9 Correct 11 ms 836 KB Output is correct
10 Correct 10 ms 836 KB Output is correct
11 Correct 14 ms 836 KB Output is correct
12 Correct 7 ms 836 KB Output is correct
13 Correct 9 ms 836 KB Output is correct
14 Correct 11 ms 836 KB Output is correct
15 Correct 10 ms 836 KB Output is correct
16 Correct 12 ms 836 KB Output is correct
17 Correct 97 ms 836 KB Output is correct
18 Correct 248 ms 836 KB Output is correct
19 Correct 573 ms 836 KB Output is correct
20 Correct 583 ms 836 KB Output is correct
21 Correct 753 ms 836 KB Output is correct
22 Correct 708 ms 892 KB Output is correct
23 Correct 778 ms 892 KB Output is correct
24 Correct 688 ms 892 KB Output is correct
25 Correct 679 ms 892 KB Output is correct
26 Correct 694 ms 892 KB Output is correct
27 Correct 654 ms 892 KB Output is correct
28 Correct 716 ms 892 KB Output is correct
29 Correct 641 ms 892 KB Output is correct
30 Correct 678 ms 892 KB Output is correct
31 Correct 648 ms 892 KB Output is correct
32 Correct 797 ms 892 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 13 ms 504 KB Output is correct
2 Correct 12 ms 504 KB Output is correct
3 Correct 7 ms 520 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 9 ms 596 KB Output is correct
6 Correct 13 ms 644 KB Output is correct
7 Correct 10 ms 644 KB Output is correct
8 Correct 10 ms 772 KB Output is correct
9 Correct 11 ms 836 KB Output is correct
10 Correct 10 ms 836 KB Output is correct
11 Correct 14 ms 836 KB Output is correct
12 Correct 7 ms 836 KB Output is correct
13 Correct 9 ms 836 KB Output is correct
14 Correct 11 ms 836 KB Output is correct
15 Correct 10 ms 836 KB Output is correct
16 Correct 12 ms 836 KB Output is correct
17 Correct 97 ms 836 KB Output is correct
18 Correct 248 ms 836 KB Output is correct
19 Correct 573 ms 836 KB Output is correct
20 Correct 583 ms 836 KB Output is correct
21 Correct 753 ms 836 KB Output is correct
22 Correct 708 ms 892 KB Output is correct
23 Correct 778 ms 892 KB Output is correct
24 Correct 688 ms 892 KB Output is correct
25 Correct 679 ms 892 KB Output is correct
26 Correct 694 ms 892 KB Output is correct
27 Correct 654 ms 892 KB Output is correct
28 Correct 716 ms 892 KB Output is correct
29 Correct 641 ms 892 KB Output is correct
30 Correct 678 ms 892 KB Output is correct
31 Correct 648 ms 892 KB Output is correct
32 Correct 797 ms 892 KB Output is correct
33 Execution timed out 2089 ms 263168 KB Time limit exceeded
34 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 2060 ms 263168 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 2060 ms 263168 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 13 ms 504 KB Output is correct
2 Correct 12 ms 504 KB Output is correct
3 Correct 7 ms 520 KB Output is correct
4 Correct 4 ms 596 KB Output is correct
5 Correct 9 ms 596 KB Output is correct
6 Correct 13 ms 644 KB Output is correct
7 Correct 10 ms 644 KB Output is correct
8 Correct 10 ms 772 KB Output is correct
9 Correct 11 ms 836 KB Output is correct
10 Correct 10 ms 836 KB Output is correct
11 Correct 14 ms 836 KB Output is correct
12 Correct 7 ms 836 KB Output is correct
13 Correct 9 ms 836 KB Output is correct
14 Correct 11 ms 836 KB Output is correct
15 Correct 10 ms 836 KB Output is correct
16 Correct 12 ms 836 KB Output is correct
17 Correct 97 ms 836 KB Output is correct
18 Correct 248 ms 836 KB Output is correct
19 Correct 573 ms 836 KB Output is correct
20 Correct 583 ms 836 KB Output is correct
21 Correct 753 ms 836 KB Output is correct
22 Correct 708 ms 892 KB Output is correct
23 Correct 778 ms 892 KB Output is correct
24 Correct 688 ms 892 KB Output is correct
25 Correct 679 ms 892 KB Output is correct
26 Correct 694 ms 892 KB Output is correct
27 Correct 654 ms 892 KB Output is correct
28 Correct 716 ms 892 KB Output is correct
29 Correct 641 ms 892 KB Output is correct
30 Correct 678 ms 892 KB Output is correct
31 Correct 648 ms 892 KB Output is correct
32 Correct 797 ms 892 KB Output is correct
33 Execution timed out 2089 ms 263168 KB Time limit exceeded
34 Halted 0 ms 0 KB -