Submission #342640

#	Time	Username	Problem	Language	Result	Execution time	Memory
342640		monus1042	Horses (IOI15_horses)	C++17	17 / 100	54 ms	20176 KiB

horses

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

typedef long long ll;
typedef pair<int,int> ii;

int n;
vector<int> x, y;
int dp[11][1001];

int f(int pos, int factor){
	if (pos == n) return 0;
	int &answer = dp[pos][factor];
	if (answer > -1) return answer;
	int horses = factor * x[pos];
	for (int i=0; i<=horses; i++){
		int delta = i * y[pos];
		answer = max(answer, f(pos+1, horses - i) + delta);
	}
	return answer;
}

int init(int N, int X[], int Y[]) {
	n = N;
	for (int i=0; i<n; i++) x.push_back(X[i]), y.push_back(Y[i]);
	memset(dp, -1, sizeof dp);
	return f(0, 1);
}

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:31:17: warning: unused parameter 'pos' [-Wunused-parameter]
   31 | int updateX(int pos, int val) {
      |             ~~~~^~~
horses.cpp:31:26: warning: unused parameter 'val' [-Wunused-parameter]
   31 | int updateX(int pos, int val) {
      |                      ~~~~^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:35:17: warning: unused parameter 'pos' [-Wunused-parameter]
   35 | int updateY(int pos, int val) {
      |             ~~~~^~~
horses.cpp:35:26: warning: unused parameter 'val' [-Wunused-parameter]
   35 | 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