제출 #135399

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
135399		tinjyu	Horses (IOI15_horses)	C++14	34 / 100	1532 ms	15992 KiB

horses

#include "horses.h"
#include <iostream>
using namespace std;
long long int n,x[1000005],y[1000005];
int init(int N, int X[], int Y[]) {
    n=N;
    for(int i=0;i<n;i++)x[i]=X[i];
    for(int i=0;i<n;i++)y[i]=Y[i];
    long long int ans=0,tmp=1;
    for(int i=1;i<n;i++)
    {
        double t=(double)y[ans]/double(y[i]);
        if(tmp<1000000000)tmp*=x[i];
        if(tmp>=t)
        {
            ans=i;
            tmp=1;
        }
    }
    long long int a=y[ans];
    for(int i=0;i<=ans;i++)
    {
        a*=x[i];
        a%=1000000007;
    }
	return a;
}

int updateX(int pos, int val) {
    x[pos]=val;
    long long int ans=0,tmp=1;
    for(int i=1;i<n;i++)
    {
        double t=(double)y[ans]/double(y[i]);
        if(tmp<1000000000)tmp*=x[i];
        if(tmp>=t)
        {
            ans=i;
            tmp=1;
        }
    }
    long long int a=y[ans];
    for(int i=0;i<=ans;i++)
    {
        a*=x[i];
        a%=1000000007;
    }
	return a;
}

int updateY(int pos, int val) {
    y[pos]=val;
    long long int ans=0,tmp=1;
    for(int i=1;i<n;i++)
    {
        double t=(double)y[ans]/double(y[i]);
        if(tmp<1000000000)tmp*=x[i];
        if(tmp>=t)
        {
            ans=i;
            tmp=1;
        }
    }
    long long int a=y[ans];
    for(int i=0;i<=ans;i++)
    {
        a*=x[i];
        a%=1000000007;
    }
	return a;
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:14:17: warning: conversion to 'double' from 'long long int' may alter its value [-Wconversion]
         if(tmp>=t)
                 ^
horses.cpp:26:9: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
  return a;
         ^
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:36:17: warning: conversion to 'double' from 'long long int' may alter its value [-Wconversion]
         if(tmp>=t)
                 ^
horses.cpp:48:9: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
  return a;
         ^
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:58:17: warning: conversion to 'double' from 'long long int' may alter its value [-Wconversion]
         if(tmp>=t)
                 ^
horses.cpp:70:9: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
  return a;
         ^

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