oj.uz

Submission #104931

# Submission time Handle Problem Language Result Execution time Memory
104931 2019-04-09T19:02:13 Z eriksuenderhauf Wombats (IOI13_wombats) C++11
100 / 100
 5524 ms 185328 KB 
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include "wombats.h"
//#include "grader.h"
using namespace std;
typedef long long int ll;
const int INF = 1e9 + 7;
const int MAXN = 2005;
const double eps = 1e-9;
int RW, C, root = 0, segSz = 1;
int h[5000][200], v[5000][200], L[MAXN], R[MAXN];
int dp[MAXN][200][200], opt[200];

void merge(int cur) {
	for (int i = 0; i < C; i++) {
		opt[i] = 0;
		for (int j = 0; j < C; j++)
			dp[cur][i][j] = INF;
	}
	for (int i = C - 1; i > -C; i--) {
		for (int j = C + min(-i, 0) - 1; j >= max(-i, 0); j--) {
			int oL = 0, oR = C - 1;
			if (j != max(-i, 0))
				oL = opt[j - 1];
			if (j != C + min(-i, 0) - 1)
				oR = opt[j];
			for (int k = oL; k <= oR; k++) {
				if (dp[cur][j][i + j] > dp[L[cur]][j][k] + dp[R[cur]][k][i + j]) {
					dp[cur][j][i + j] = dp[L[cur]][j][k] + dp[R[cur]][k][i + j];
					opt[j] = k;
				}
			}
		}
	}
}
 
void init(int cur, int l, int r) {
	for (int i = 0; i < C; i++) {
		for (int j = 0; j < C; j++)
			dp[cur][i][j] = INF;
		dp[cur][i][i] = 0;
	}
	for (int k = l; k <= r; k++) {
		for (int i = 0; i < C; i++) {
			for (int j = 1; j < C; j++)
				dp[cur][i][j] = min(dp[cur][i][j], dp[cur][i][j - 1] + h[k][j - 1]);
			for (int j = C - 2; j > -1; j--)
				dp[cur][i][j] = min(dp[cur][i][j], dp[cur][i][j + 1] + h[k][j]);
		}
		for (int i = 0; i < C; i++)
			for (int j = 0; j < C; j++)
				dp[cur][i][j] += v[k][j];
	}
}
 
void upd(int l, int r, int cur, int ind) {
	if (l + 10 >= r) {
		init(cur, l, r);
		return;
	}
	int m = (l + r) / 2;
	if (ind <= m) upd(l, m, L[cur], ind);
	else upd(m + 1, r, R[cur], ind);
	merge(cur);
}
 
void build(int l, int r, int &cur) {
	cur = segSz++;
	if (l + 10 >= r) {
		init(cur, l, r);
		return;
	}
	int m = (l + r) / 2;
	build(l, m, L[cur]);
	build(m + 1, r, R[cur]);
	merge(cur);
}
 
void init(int R1, int C1, int H[5000][200], int V[5000][200]) {
	RW = R1, C = C1;
	for (int i = 0; i < RW; i++)
		for (int j = 0; j + 1 < C; j++)
			h[i][j] = H[i][j];
	for (int i = 0; i + 1 < RW; i++)
		for (int j = 0; j < C; j++)
			v[i][j] = V[i][j];
	build(0, RW - 1, root);
}
 
void changeH(int p, int q, int w) {
	h[p][q] = w;
	upd(0, RW - 1, root, p);
}
 
void changeV(int p, int q, int w) {
	v[p][q] = w;
	upd(0, RW - 1, root, p);
}
 
int escape(int a, int b) {
	return dp[root][a][b];
}

Compilation message

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 12544 KB Output is correct
2 Correct 13 ms 12544 KB Output is correct
3 Correct 80 ms 14144 KB Output is correct
4 Correct 12 ms 12620 KB Output is correct
5 Correct 15 ms 12544 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 3 ms 512 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 76 ms 1528 KB Output is correct
12 Correct 3 ms 512 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 3320 KB Output is correct
2 Correct 100 ms 3300 KB Output is correct
3 Correct 108 ms 3268 KB Output is correct
4 Correct 110 ms 3200 KB Output is correct
5 Correct 101 ms 3244 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 401 ms 3200 KB Output is correct
10 Correct 2 ms 384 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 21120 KB Output is correct
2 Correct 20 ms 21120 KB Output is correct
3 Correct 20 ms 21164 KB Output is correct
4 Correct 51 ms 21984 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 105 ms 3200 KB Output is correct
2 Correct 91 ms 3200 KB Output is correct
3 Correct 113 ms 3200 KB Output is correct
4 Correct 120 ms 3200 KB Output is correct
5 Correct 105 ms 3200 KB Output is correct
6 Correct 21 ms 21240 KB Output is correct
7 Correct 19 ms 21120 KB Output is correct
8 Correct 23 ms 21180 KB Output is correct
9 Correct 88 ms 21972 KB Output is correct
10 Correct 15 ms 12544 KB Output is correct
11 Correct 13 ms 12544 KB Output is correct
12 Correct 78 ms 14164 KB Output is correct
13 Correct 15 ms 12544 KB Output is correct
14 Correct 12 ms 12544 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 2 ms 508 KB Output is correct
21 Correct 2 ms 512 KB Output is correct
22 Correct 2 ms 512 KB Output is correct
23 Correct 2 ms 512 KB Output is correct
24 Correct 3 ms 512 KB Output is correct
25 Correct 68 ms 1404 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 408 ms 3292 KB Output is correct
28 Correct 1433 ms 100472 KB Output is correct
29 Correct 1376 ms 97704 KB Output is correct
30 Correct 1381 ms 97656 KB Output is correct
31 Correct 1488 ms 101440 KB Output is correct
32 Correct 2 ms 384 KB Output is correct

Subtask #6
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 3200 KB Output is correct
2 Correct 87 ms 3200 KB Output is correct
3 Correct 110 ms 3200 KB Output is correct
4 Correct 113 ms 3200 KB Output is correct
5 Correct 97 ms 3252 KB Output is correct
6 Correct 22 ms 21248 KB Output is correct
7 Correct 19 ms 21120 KB Output is correct
8 Correct 20 ms 21248 KB Output is correct
9 Correct 55 ms 22012 KB Output is correct
10 Correct 11 ms 12544 KB Output is correct
11 Correct 13 ms 12544 KB Output is correct
12 Correct 85 ms 14072 KB Output is correct
13 Correct 15 ms 12544 KB Output is correct
14 Correct 13 ms 12544 KB Output is correct
15 Correct 1861 ms 176248 KB Output is correct
16 Correct 5524 ms 178804 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 4 ms 412 KB Output is correct
21 Correct 4 ms 512 KB Output is correct
22 Correct 2 ms 432 KB Output is correct
23 Correct 3 ms 512 KB Output is correct
24 Correct 2 ms 512 KB Output is correct
25 Correct 2 ms 512 KB Output is correct
26 Correct 2 ms 512 KB Output is correct
27 Correct 74 ms 2840 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 539 ms 3404 KB Output is correct
30 Correct 1407 ms 104288 KB Output is correct
31 Correct 5093 ms 184688 KB Output is correct
32 Correct 5210 ms 184756 KB Output is correct
33 Correct 1285 ms 101172 KB Output is correct
34 Correct 4759 ms 181456 KB Output is correct
35 Correct 1341 ms 100988 KB Output is correct
36 Correct 4863 ms 181352 KB Output is correct
37 Correct 1495 ms 105996 KB Output is correct
38 Correct 5219 ms 185328 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 5259 ms 181428 KB Output is correct