제출 #430226

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
430226		Abdulmohsen1284	말 (IOI15_horses)	C++14	0 / 100	43 ms	16904 KiB

horses

//#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
long long ma=0,mod=1000000007;
long long x[1000005],y[1000005],n,all[500005];
int init(int N, int X[], int Y[]) {
    long long horse=1;
    n=N;

    for(int i=0;i<N;i++)
    {
        all[i+1]=X[i]*all[i];
        x[i]=X[i];
        y[i]=Y[i];
    }
    int st=n-30;
	long long bef=0;
    if(st<0)
        st=0;
    for(int i=st;i<n;i++)
    {
        horse*=x[i];
        if(horse*y[i]>=bef)
        {
            bef=y[i];
            horse=1;
            ma=(horse*y[i])%mod;
        }
    }
	return ma;
}

int updateX(int pos, int val) {
    x[pos]=val;
    int st=n-30;
	long long horse=1,bef=0;
    if(st<0)
        st=0;
    for(int i=st;i<n;i++)
    {
        horse*=x[i];
        if(horse*y[i]>=bef)
        {
            bef=y[i];
            horse=1;
            ma=(horse*y[i])%mod;
        }
    }
	return ma;
}

int updateY(int pos, int val) {
    y[pos]=val;
    long long horse=1;
    int st=n-30;
	long long bef=0;
    if(st<0)
        st=0;
    for(int i=st;i<n;i++)
    {
        horse*=x[i];
        if(horse*y[i]>=bef)
        {
            bef=y[i];
            horse=1;
            ma=(horse*y[i])%mod;
        }
    }
	return ma;
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:16:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   16 |     int st=n-30;
      |            ~^~~
horses.cpp:30:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   30 |  return ma;
      |         ^~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:35:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   35 |     int st=n-30;
      |            ~^~~
horses.cpp:49:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   49 |  return ma;
      |         ^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:55:13: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   55 |     int st=n-30;
      |            ~^~~
horses.cpp:69:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   69 |  return ma;
      |         ^~

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