Submission #1030258

#	Time	Username	Problem	Language	Result	Execution time	Memory
1030258		pcc	Horses (IOI15_horses)	C++17	17 / 100	11 ms	8540 KiB

horses

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

#define ll long long
#define pll pair<ll,ll>
#define fs first
#define sc second
const ll mod = 1e9+7;
const ll mxn = 1010;

ll pref[mxn];
ll N;
ll arr[mxn],brr[mxn];


int init(int NN, int X[], int Y[]) {
	N = NN;
	for(int i = 0;i<N;i++){
		arr[i] = X[i];
		brr[i] = Y[i];
	}
	pref[0] = arr[0];
	for(int i = 1;i<N;i++)pref[i] = pref[i-1]*arr[i];
	vector<int> v(N);
	iota(v.begin(),v.end(),0);
	sort(v.begin(),v.end(),[](int a,int b){return pref[a]*brr[a]<pref[b]*brr[b];});
	ll tar = v.back();
	return (pref[tar]*brr[tar])%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:29:29: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   29 |  return (pref[tar]*brr[tar])%mod;
      |         ~~~~~~~~~~~~~~~~~~~~^~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:32:17: warning: unused parameter 'pos' [-Wunused-parameter]
   32 | int updateX(int pos, int val) {
      |             ~~~~^~~
horses.cpp:32:26: warning: unused parameter 'val' [-Wunused-parameter]
   32 | int updateX(int pos, int val) {
      |                      ~~~~^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:36:17: warning: unused parameter 'pos' [-Wunused-parameter]
   36 | int updateY(int pos, int val) {
      |             ~~~~^~~
horses.cpp:36:26: warning: unused parameter 'val' [-Wunused-parameter]
   36 | int updateY(int pos, int val) {
      |                      ~~~~^~~

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