Submission #404121

#	Time	Username	Problem	Language	Result	Execution time	Memory
404121		SavicS	Horses (IOI15_horses)	C++14	17 / 100	15 ms	9872 KiB

horses

#include "horses.h"

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>

#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ff(i,a,b) for(int i=a;i<=b;i++)
#define fb(i,b,a) for(int i=b;i>=a;i--)

using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int,int> pii;
const int maxn = 100005;
const int inf = 1e9 + 5;

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// os.order_of_key(k) the number of elements in the os less than k
// *os.find_by_order(k)  print the k-th smallest number in os(0-based)

int n;
pii niz[maxn];

const int mod = 1e9 + 7;
ll mul(ll a, ll b){
	return (a * b) % mod;
}

ll get(){
	ll ans = 0;
	ll p = 1;
	ff(i,1,n)p *= niz[i].fi, ans = max(ans, mul(p, niz[i].se));
	return ans;
}

int init(int N, int X[], int Y[]) {
	n = N;
	ff(i,1,n)niz[i] = {X[i - 1], Y[i - 1]};
	
	return get();
}

int updateX(int pos, int val) {	
	pos++, niz[pos].fi = val;
	return get();
}

int updateY(int pos, int val) {
	pos++, niz[pos].se = val;
	return get();
}

//int main()
//{
//    ios::sync_with_stdio(false);
//    cout.tie(nullptr);
//    cin.tie(nullptr);
//
//    return 0;
//}
/**



// probati bojenje sahovski ili slicno

**/

Compilation message (stderr)

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:48:12: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   48 |  return get();
      |         ~~~^~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:53:12: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   53 |  return get();
      |         ~~~^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:58:12: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   58 |  return get();
      |         ~~~^~

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