Submission #135328

#	Time	Username	Problem	Language	Result	Execution time	Memory
135328		Boxworld	Horses (IOI15_horses)	C++14	17 / 100	1564 ms	8584 KiB

horses

#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
const int bigint=1e9+7;
struct year{int x,y;}a[500100];
long long ans,ho;
int n;
int init(int N, int X[], int Y[]){
    n=N;
    int ho;
    for (int i=0;i<n;i++){a[i].x=X[i];a[i].y=Y[i];}
    ho=1;ans=0;
    for (int i=0;i<n;i++){
        ho*=a[i].x;
        if (ans<ho*a[i].y)ans=ho*a[i].y;
    }
	return ans%bigint;
}

int updateX(int pos, int val) {
    a[pos].x=val;
    ho=1;ans=0;
    for (int i=0;i<n;i++){
        ho*=a[i].x;
        if (ans<ho*a[i].y)ans=ho*a[i].y;
    }
	return ans%bigint;
}

int updateY(int pos, int val) {
    a[pos].y=val;
    ho=1;ans=0;
    for (int i=0;i<n;i++){
        ho*=a[i].x;
        if (ans<ho*a[i].y)ans=ho*a[i].y;
    }
	return ans%bigint;
}

Compilation message (stderr)

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:10:9: warning: declaration of 'ho' shadows a global declaration [-Wshadow]
     int ho;
         ^~
horses.cpp:6:15: note: shadowed declaration is here
 long long ans,ho;
               ^~
horses.cpp:17:12: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
  return ans%bigint;
         ~~~^~~~~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:27:12: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
  return ans%bigint;
         ~~~^~~~~~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:37:12: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
  return ans%bigint;
         ~~~^~~~~~~

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