Submission #1210425

#	Time	Username	Problem	Language	Result	Execution time	Memory
1210425		tkm_algorithms	Catfish Farm (IOI22_fish)	C++20	0 / 100	12 ms	2368 KiB

fish

/**
*    In the name of Allah
*    We are nothing and you're everything
*    Ya Muhammad!
**/
#include <bits/stdc++.h>
#include "fish.h"

using namespace std;
using ll = long long;
using ull = uint64_t;
 
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
//#define int long long
 
const char nl = '\n';
const int mx = 301;
const ll inf = 0x3f3f3f3f3f3f3f3fll;
const int mod = 1e9+7;

ll dp[mx][10][10], p[mx][10];

long long max_weights(int N, int M, vector<int> X, vector<int> Y,
                      vector<int> W) {
	for (int i = 0; i < M; ++i) {
		p[X[i]][Y[i]+1] += W[i];
	}
	
	for (int i = 0; i < N; ++i) {
		for (int j = 1; j <= 9; ++j)p[i][j] += p[i][j-1];
	}
	
	if (N == 1)return p[0][9];
	
	// memset(dp, 0, sizeof dp);
	
	ll res = p[0][9];
	for (int i = 0; i <= 9; ++i) {
		for (int j = 0; j <= 9; ++j) {
			if (i > j)dp[1][i][j] = p[1][i]-p[1][j];
			else dp[1][i][j] = p[0][j]-p[0][i];
			res = max(res, dp[1][i][j]);
		}
	}
	
	
	for (int i = 2; i < N; ++i) {
		for (int j = 0; j <= 9; ++j)
			for (int k = 0; k <= 9; ++k)
				for (int l = 0; l <= 9; ++l) {
					ll cur = dp[i-1][k][l];
					if (k > j) {
						cur += p[i][k]-p[i][j];
					}
					// if (j > k && j > l)cur += p[i-1][j]-p[i-1][max(l, k)];
					dp[i][j][k] = max(cur, dp[i][j][k]);
					res = max(res, cur);
				}
	}
	
	return res;
}


// int main() {
// 	int n, m;
// 	cin >> n >> m;
// 	vector<int> x(m), y(m), w(m);
// 	for (int i = 0; i < m; ++i)cin >> x[i] >> y[i] >> w[i];
// 	cout << max_weights(n, m, x, y, w);
// }

• Subtask 1: 0 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 9
• Subtask 4: 0 / 14
• Subtask 5: 0 / 21
• Subtask 6: 0 / 17
• Subtask 7: 0 / 14
• Subtask 8: 0 / 16