Submission #416556

#	Time	Username	Problem	Language	Result	Execution time	Memory
416556		victoriad	Horses (IOI15_horses)	C++14	0 / 100	300 ms	524292 KiB

horses

#include "horses.h"
#include "vector"
#include "cmath"
#include "algorithm"
#include "utility"
using namespace std;

using namespace std;

int maxi(int N, int X[], int Y[],int nodo,int ca,int di,int mayor,vector<vector<int> >&memo){
if(nodo==N-1){
	return ca*X[N-1]*Y[N-1]+di;
}
ca*=X[nodo];
int a=mayor;
int j=ca;
int d=d;
int b;
for(int i=0;i<=ca;i++){
	if(memo[nodo][j]==-1){
	 b=maxi(N,X,Y,nodo+1,j,di+Y[nodo]*i,a,memo);
		memo[nodo][j]=b-d;
	}
	else{
		b=memo[nodo][j]+d;
	}
	j--;
	if(b>a){
		a=b;
	}
}
return max(a,mayor);
}
int init(int N, int X[], int Y[]) {
	vector<vector<int > >memo(N);
	vector<int>a(1000,-1);
	for(int i=0;i<N;i++)memo[i]=a;
	int r=maxi(N,X,Y,0,1,0,0,memo);
	return r;
}
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:41:17: warning: unused parameter 'pos' [-Wunused-parameter]
   41 | int updateX(int pos, int val) {
      |             ~~~~^~~
horses.cpp:41:26: warning: unused parameter 'val' [-Wunused-parameter]
   41 | int updateX(int pos, int val) {
      |                      ~~~~^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:45:17: warning: unused parameter 'pos' [-Wunused-parameter]
   45 | int updateY(int pos, int val) {
      |             ~~~~^~~
horses.cpp:45:26: warning: unused parameter 'val' [-Wunused-parameter]
   45 | int updateY(int pos, int val) {
      |                      ~~~~^~~
horses.cpp: In function 'int maxi(int, int*, int*, int, int, int, int, std::vector<std::vector<int> >&)':
horses.cpp:22:18: warning: 'd' may be used uninitialized in this function [-Wmaybe-uninitialized]
   22 |   memo[nodo][j]=b-d;
      |                 ~^~

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