Submission #1098277

#	Time	Username	Problem	Language	Result	Execution time	Memory
1098277		alexander707070	Horses (IOI15_horses)	C++14	34 / 100	1586 ms	16176 KiB

horses

#include<bits/stdc++.h>
#include "horses.h"

#define MAXN 500007
using namespace std;

const long long mod=1e9+7;

int n;
long long x[MAXN],y[MAXN];

int calc(){
    int best=0;
    long long mult=1;

    for(int i=1;i<=n;i++){
        mult*=x[i];
        if(mult>mod or mult*y[i]>y[best]){
            best=i;
            mult=1;
        }
    }

    mult=1;
    for(int i=1;i<=best;i++){
        mult*=x[i]; mult%=mod;
    }
    mult*=y[best]; mult%=mod;

    return mult;
}

int init(int N, int X[], int Y[]) {
	n=N;
    for(int i=1;i<=n;i++){
        x[i]=X[i-1]; y[i]=Y[i-1];
    }

    return calc();
}

int updateX(int pos, int val) {	
	x[pos+1]=val;
    return calc();
}

int updateY(int pos, int val) {
	y[pos+1]=val;
    return calc();
}

/*int main(){

    init(3,{2,1,3},{3,4,1});
    cout<<updateY(1,2)<<"\n";

    return 0;
}*/

Compilation message (stderr)

horses.cpp: In function 'int calc()':
horses.cpp:30:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   30 |     return mult;
      |            ^~~~

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