Submission #47733

#	Time	Username	Problem	Language	Result	Execution time	Memory
47733		RezwanArefin01	Horses (IOI15_horses)	C++17	0 / 100	15 ms	10536 KiB

horses

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

typedef long long ll; 
const int mod = 1e9 + 7; 
int n, x[11]; ll y[11]; 

ll dp[11][1010]; 

ll call(int pos, int cur) {
	if(pos == n - 1) return y[pos] * cur; 
	ll &ret = dp[pos][cur];
	if(ret != -1) return ret; 
	ret = 0;
	int tot = cur * x[pos];
	for(int i = 0; i <= tot; i++) {
		ret = max(ret, call(pos + 1, tot - i) + i * y[pos]);
	} return ret; 
}
int init(int N, int X[], int Y[]) {
	n = N;
	for(int i = 0; i < N; i++) 
		x[i] = X[i], y[i] = Y[i];
	memset(dp, -1, sizeof dp); 
	return call(0, 1) % mod;
}

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

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

Compilation message (stderr)

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:26:20: warning: conversion to 'int' from 'll {aka long long int}' may alter its value [-Wconversion]
  return call(0, 1) % mod;
         ~~~~~~~~~~~^~~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:29:17: warning: unused parameter 'pos' [-Wunused-parameter]
 int updateX(int pos, int val) { 
                 ^~~
horses.cpp:29:26: warning: unused parameter 'val' [-Wunused-parameter]
 int updateX(int pos, int val) { 
                          ^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:33:17: warning: unused parameter 'pos' [-Wunused-parameter]
 int updateY(int pos, int val) {
                 ^~~
horses.cpp:33:26: warning: unused parameter 'val' [-Wunused-parameter]
 int updateY(int pos, int val) {
                          ^~~

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