Submission #921666

#	Time	Username	Problem	Language	Result	Execution time	Memory
921666		coding_snorlax	Horses (IOI15_horses)	C++14	17 / 100	1561 ms	8256 KiB

horses

#include "horses.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
int n;
int x[500005]={100,100,100,100,100,100,100,100,100,100,100,100,100,100,100};
int y[500005]={100,100,100,100,100,100,100,100,100,100,100,100,100,100,100};
int init(int N, int X[], int Y[]) {
    n=N;
    for(ll i=0;i<N;i++){
      x[i]=X[i];
      y[i]=Y[i];
    }
    ll answer = 1,tmp=1,i=-1;
    for(ll I=N-1;I>=0;I--){
        if(tmp*X[I]>2000000000) {i=I;break;}
        tmp *= X[I];
    }
    if(i==-1) i=0;
    ll place = i;
    ll Max=1,tmp2=1;
    for(ll j=i;j<N;j++){
        tmp2*=X[j];
        tmp2*=Y[j];
        if(tmp2>Max){
            Max = tmp2;
            place = j;
        }
        tmp2/=Y[j];
    }
    for(ll j=0;j<=place;j++){
        answer*=X[j];
        answer %= (1000000007);
    }
    answer*=Y[place];
    answer %= 1000000007;
    return answer;
}

int updateX(int pos, int val) {
    x[pos]=val;
    return init(n,x,y);
}
int updateY(int pos, int val) {
    y[pos]=val;
    return init(n,x,y);
}

Compilation message (stderr)

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:37:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   37 |     return answer;
      |            ^~~~~~

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