Submission #1088715

#	Time	Username	Problem	Language	Result	Execution time	Memory
1088715		gustavo_d	Horses (IOI15_horses)	C++17	17 / 100	256 ms	524288 KiB

horses

#include "horses.h"
#include <bits/stdc++.h>
using namespace std;

const int MX_COW=1000;

int init(int N, int X[], int Y[]) {
	int n = N+1;
	vector<int> x(n), y(n);
	for (int i=1; i<n; i++) x[i] = X[i-1];
	for (int i=1; i<n; i++) y[i] = Y[i-1];

	int dp[n][MX_COW+1];
	for (int i=1; i<=MX_COW; i++) {
		dp[0][i] = -1e9;
	}
	dp[0][1] = 0;
	for (int i=1; i<n; i++) {
		for (int cow=0; cow<=MX_COW; cow++) {
			dp[i][cow] = -1e9;
			for (int v=0; v<=MX_COW; v++) {
				if ((cow+v)/x[i] > MX_COW) continue;
				if ((cow+v) % x[i] != 0) continue;
				dp[i][cow] = max(
					dp[i][cow],
					dp[i-1][(cow + v) / x[i]] + v * y[i]
				);
			}
		}
	}
	return dp[n-1][0];
}

int updateX(int pos, int val) {	
	return 0;
}

int updateY(int pos, int val) {
	return 0;
}

Compilation message (stderr)

horses.cpp: In function 'int updateX(int, int)':
horses.cpp:34:17: warning: unused parameter 'pos' [-Wunused-parameter]
   34 | int updateX(int pos, int val) {
      |             ~~~~^~~
horses.cpp:34:26: warning: unused parameter 'val' [-Wunused-parameter]
   34 | int updateX(int pos, int val) {
      |                      ~~~~^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:38:17: warning: unused parameter 'pos' [-Wunused-parameter]
   38 | int updateY(int pos, int val) {
      |             ~~~~^~~
horses.cpp:38:26: warning: unused parameter 'val' [-Wunused-parameter]
   38 | int updateY(int pos, int val) {
      |                      ~~~~^~~

• Subtask 1: 17 / 17
• Subtask 2: 0 / 17
• Subtask 3: 0 / 20
• Subtask 4: 0 / 23
• Subtask 5: 0 / 23