제출 #466790

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
466790		Carmel_Ab1	말 (IOI15_horses)	C++17	17 / 100	1582 ms	12032 KiB

horses

#include "horses.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vl;

//#include "grader.cpp"

const ll mod=1e9+7;

ll has=1,ans=0;
vl x,y;
int init(int n, int X[], int Y[]) {
    x.resize(n);
    y.resize(n);
    for(int i=0; i<n; i++)
        x[i]=X[i],y[i]=Y[i];
    for(int i=0; i<n; i++){
        has*=x[i];
        has%=mod;
        ans=max(ans,(has*y[i])%mod);
    }
    return int(ans);
}

int updateX(int pos, int val) {
    x[pos]=val;
    has=1,ans=0;
    int n=x.size();
    for(int i=0; i<n; i++){
        has*=x[i];
        has%=mod;
        ans=max(ans,(has*y[i])%mod);
    }
    return int(ans);
}

int updateY(int pos, int val) {
    y[pos]=val;
    has=1,ans=0;
    int n=x.size();
    for(int i=0; i<n; i++){
        has*=x[i];
        has%=mod;
        ans=max(ans,(has*y[i])%mod);
    }
    return int(ans);
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int updateX(int, int)':
horses.cpp:29:17: warning: conversion from 'std::vector<long long int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   29 |     int n=x.size();
      |           ~~~~~~^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:41:17: warning: conversion from 'std::vector<long long int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   41 |     int n=x.size();
      |           ~~~~~~^~

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