Submission #334690

#	Time	Username	Problem	Language	Result	Execution time	Memory
334690		blue	Horses (IOI15_horses)	C++17	Compilation error	0 ms	0 KiB

horses

#include "horses.h"
using namespace std;
 
int N;
int* X;
int* Y;
 
int answer()
{
    int product_X[N];
    product_X[0] = X[0];
    for(int i = 1; i < N; i++) product_X[i] = product_X[i-1] * X[i];
 
    int y = 0;
    int res = 0;
    for(int i = N-1; i >= 0; i--)
    {
        y = max(y, Y[i]);
        res = max(res, product_X[i] * y);
    }
    return res;
}
 
int init(int n, int x[], int y[])
{
    N = n;
    X = x;
    Y = y;
 
    return answer();
}
 
int updateX(int pos, int val)
{
    X[pos] = val;
    return answer();
}
 
int updateY(int pos, int val)
{
    Y[pos] = val;
    return answer();
}

Compilation message (stderr)

horses.cpp: In function 'int answer()':
horses.cpp:18:13: error: 'max' was not declared in this scope
   18 |         y = max(y, Y[i]);
      |             ^~~