Submission #623964

#	Time	Username	Problem	Language	Result	Execution time	Memory
623964		PoPularPlusPlus	Horses (IOI15_horses)	C++17	0 / 100	30 ms	16048 KiB

horses

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long 
#define pb(e) push_back(e)
#define sv(a) sort(a.begin(),a.end())
#define sa(a,n) sort(a,a+n)
#define mp(a,b) make_pair(a,b)
#define vf first
#define vs second
#define ar array
#define all(x) x.begin(),x.end()
const int inf = 0x3f3f3f3f;
const int mod = 1000000007; 
const double PI=3.14159265358979323846264338327950288419716939937510582097494459230;
bool remender(ll a , ll b){return a%b;}

//freopen("problemname.in", "r", stdin);
//freopen("problemname.out", "w", stdout);

#include "horses.h"

vector<ll> a , b;

ll cal(){
	ll ans = 0;
	ll sum = 0;
	for(int i = 0; i < (int)a.size(); i++){
		sum *= a[i];
		sum %= mod;
		ans = max(ans , (sum * b[i]) % mod);
	}
	return ans;
}

int init(int n, int x[], int y[]) {
	a.resize(n);
	b.resize(n);
	for(int i = 0; i < n; i++)a[i] = x[i] , b[i] = y[i];
	return cal();
}

int updateX(int pos, int val) {	
	a[pos] = val;
	return cal();
}

int updateY(int pos, int val) {
	b[pos] = val;
	return cal();
}

Compilation message (stderr)

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:40:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   40 |  return cal();
      |         ~~~^~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:45:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   45 |  return cal();
      |         ~~~^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:50:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   50 |  return cal();
      |         ~~~^~

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