oj.uz

Submission #626009

# Submission time Handle Problem Language Result Execution time Memory
626009 2022-08-11T06:20:28 Z happypotato Catfish Farm (IOI22_fish) C++17
32 / 100
 92 ms 10864 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pll pair<ll int, ll int>
#define ff first
#define ss second
#define pb push_back
vector<int> x, y, w;
int n, m;
ll int st1() {
	ll int ans = 0;
	for (int &cur : w) ans += cur;
	return ans;
}
ll int st2() {
	ll int fin[n][2], ps[n][2];
	for (int i = 0; i < n; i++) {
		fin[i][0] = 0;
		fin[i][1] = 0;
	}
	for (int i = 0; i < m; i++) {
		fin[y[i]][x[i]] = w[i];
	}
	if (n == 2) {
		return max({fin[0][0] + fin[1][0], fin[0][1] + fin[1][1]});
	}
	ps[0][0] = fin[0][0];
	ps[0][1] = fin[0][1];
	for (int i = 1; i < n; i++) {
		ps[i][0] = ps[i - 1][0] + fin[i][0];
		ps[i][1] = ps[i - 1][1] + fin[i][1];
	}
	ll int ans = max(ps[n - 1][0], ps[n - 1][1]);
	for (int stop = 0; stop < n; stop++) {
		ans = max(ans, ps[stop][0] + (ps[n - 1][1] - ps[stop][1]));
	}
	return ans;
}
ll int st3() {
	ll int a[n + 1];
	for (int i = 0; i <= n; i++) a[i] = 0;
	for (int i = 0; i < m; i++) a[x[i] + 1] = w[i];
	ll int dp[n + 1][4];
	dp[2][0] = 0;
	dp[2][1] = a[1];
	dp[2][2] = a[2];
	dp[2][3] = 0;
	for (int i = 3; i <= n; i++) {
		dp[i][0] = max(dp[i - 1][0], dp[i - 1][2]);
		dp[i][1] = max(dp[i - 1][0] + a[i - 1], dp[i - 1][2]);
		dp[i][2] = max(dp[i - 1][1] + a[i], dp[i - 1][3] + a[i]);
		dp[i][3] = max(dp[i - 1][1], dp[i - 1][3]);
	}
	ll int ans = 0;
	ans = max(max(dp[n][0], dp[n][1]), max(dp[n][2], dp[n][3]));
	return ans;
}
const ll int MIN = -1e16;
ll int st4() {
	ll int a[n + 1][n + 1], ps[n + 1][n + 1];
	for (int i = 0; i <= n; i++) {
		for (int j = 0; j <= n; j++) {
			a[i][j] = 0;
		}
	}
	for (int i = 0; i < m; i++) {
		a[x[i] + 1][y[i] + 1] = w[i];
	}
	// for (int i = 1; i <= n; i++) {
	// 	for (int j = 1; j <= n; j++) {
	// 		cout << a[i][j] << ' ';
	// 	}
	// 	cout << endl;
	// }
	for (int i = 1; i <= n; i++) {
		ps[i][0] = 0;
		for (int j = 1; j <= n; j++) {
			ps[i][j] = ps[i][j - 1] + a[i][j];
		}
	}
	ll int dp[n + 1][11][11];
	ll int cur;
	for (int i = 0; i <= 10; i++) {
		for (int j = 0; j <= 10; j++) {
			if (i == j) dp[1][i][j] = 0;
			else dp[1][i][j] = MIN;
		}
	}
	for (int i = 2; i <= n; i++) {
		for (int j = 0; j <= 10; j++) {
			for (int k = 0; k <= 10; k++) {
				dp[i][j][k] = MIN;
			}
		}
		for (int j = 0; j <= 10; j++) {
			for (int k = j; k <= 10; k++) {
				for (int l = 0; l <= 10; l++) {
					int cover = max(j, l);
					cur = dp[i - 1][j][k];
					if (l > k) {
						cur += ps[i - 1][l] - ps[i - 1][k];
					} else if (j > l) {
						cur += ps[i][j] - ps[i][l];
					}
					dp[i][l][cover] = max(dp[i][l][cover], cur);
				}
			}
		}
	}
	ll int ans = 0;
	for (int i = 1; i <= n; i++) {
		for (int j = 0; j <= 10; j++) {
			for (int k = 0; k <= 10; k++) {
				ans = max(ans, dp[i][j][k]);
			}
		}
	}
	return ans;
}
long long max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
	n = N; m = M;
	x = X; y = Y; w = W;
	bool isst4 = (n <= 300);
	bool isst3 = true;
	for (int &cur : Y) {
		isst4 &= (cur <= 8);
		isst3 &= (cur == 0);
	}
	if (isst3) return st3();
	bool isst1 = true, isst2 = true;
	for (int &cur : X) {
		if ((cur & 1) != (X[0] & 1)) {
			isst1 = false;
		}
		if (cur > 1) {
			isst2 = false;
		}
	}
	if (isst2) return st2();
	if (isst1) return st1();
	if (isst4) return st4();
	throw runtime_error("wrong");
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 5860 KB Output is correct
2 Correct 30 ms 6892 KB Output is correct
3 Correct 2 ms 4180 KB Output is correct
4 Correct 2 ms 3416 KB Output is correct
5 Correct 92 ms 10864 KB Output is correct
6 Correct 87 ms 10852 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 47 ms 8736 KB Output is correct
3 Correct 56 ms 10464 KB Output is correct
4 Correct 23 ms 5864 KB Output is correct
5 Correct 31 ms 6856 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 4180 KB Output is correct
11 Correct 2 ms 3412 KB Output is correct
12 Correct 26 ms 6004 KB Output is correct
13 Correct 28 ms 6864 KB Output is correct
14 Correct 25 ms 5964 KB Output is correct
15 Correct 30 ms 6592 KB Output is correct
16 Correct 25 ms 5964 KB Output is correct
17 Correct 26 ms 6480 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4180 KB Output is correct
2 Correct 2 ms 4180 KB Output is correct
3 Correct 15 ms 5716 KB Output is correct
4 Correct 11 ms 5480 KB Output is correct
5 Correct 27 ms 7680 KB Output is correct
6 Correct 28 ms 7636 KB Output is correct
7 Correct 26 ms 7624 KB Output is correct
8 Correct 35 ms 7620 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 724 KB Output is correct
10 Correct 2 ms 2004 KB Output is correct
11 Correct 1 ms 724 KB Output is correct
12 Correct 2 ms 2004 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 2004 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 724 KB Output is correct
10 Correct 2 ms 2004 KB Output is correct
11 Correct 1 ms 724 KB Output is correct
12 Correct 2 ms 2004 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 2004 KB Output is correct
15 Runtime error 2 ms 508 KB Execution killed with signal 6
16 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 724 KB Output is correct
10 Correct 2 ms 2004 KB Output is correct
11 Correct 1 ms 724 KB Output is correct
12 Correct 2 ms 2004 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 2004 KB Output is correct
15 Runtime error 2 ms 508 KB Execution killed with signal 6
16 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4180 KB Output is correct
2 Correct 2 ms 4180 KB Output is correct
3 Correct 15 ms 5716 KB Output is correct
4 Correct 11 ms 5480 KB Output is correct
5 Correct 27 ms 7680 KB Output is correct
6 Correct 28 ms 7636 KB Output is correct
7 Correct 26 ms 7624 KB Output is correct
8 Correct 35 ms 7620 KB Output is correct
9 Runtime error 38 ms 7620 KB Execution killed with signal 6
10 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 5860 KB Output is correct
2 Correct 30 ms 6892 KB Output is correct
3 Correct 2 ms 4180 KB Output is correct
4 Correct 2 ms 3416 KB Output is correct
5 Correct 92 ms 10864 KB Output is correct
6 Correct 87 ms 10852 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 47 ms 8736 KB Output is correct
9 Correct 56 ms 10464 KB Output is correct
10 Correct 23 ms 5864 KB Output is correct
11 Correct 31 ms 6856 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 2 ms 4180 KB Output is correct
17 Correct 2 ms 3412 KB Output is correct
18 Correct 26 ms 6004 KB Output is correct
19 Correct 28 ms 6864 KB Output is correct
20 Correct 25 ms 5964 KB Output is correct
21 Correct 30 ms 6592 KB Output is correct
22 Correct 25 ms 5964 KB Output is correct
23 Correct 26 ms 6480 KB Output is correct
24 Correct 3 ms 4180 KB Output is correct
25 Correct 2 ms 4180 KB Output is correct
26 Correct 15 ms 5716 KB Output is correct
27 Correct 11 ms 5480 KB Output is correct
28 Correct 27 ms 7680 KB Output is correct
29 Correct 28 ms 7636 KB Output is correct
30 Correct 26 ms 7624 KB Output is correct
31 Correct 35 ms 7620 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 724 KB Output is correct
41 Correct 2 ms 2004 KB Output is correct
42 Correct 1 ms 724 KB Output is correct
43 Correct 2 ms 2004 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 3 ms 2004 KB Output is correct
46 Runtime error 2 ms 508 KB Execution killed with signal 6
47 Halted 0 ms 0 KB -