제출 #999524

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
999524		Alfraganus	말 (IOI15_horses)	C++17	17 / 100	1576 ms	9164 KiB

horses

#include "horses.h"
#include <bits/stdc++.h>
using namespace std;

const long long mod = 1e9 + 7;
vector<int> x, y;

int init(int n, int X[], int Y[]) {
	for(int i = 0; i < n; i ++)
		x.push_back(X[i]);
	for(int i = 0; i < n; i ++)
		y.push_back(Y[i]);
	long long ans = 1, p = 1;
	for(int i = 0; i < n; i ++){
		p = p * x[i];
		ans = (max(ans, p * y[i])) % mod;
		p %= mod;
	}
	int res = ans;
	return res;
}

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

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

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:19:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   19 |  int res = ans;
      |            ^~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:28:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   28 |  int res = ans;
      |            ^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:37:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   37 |  int res = ans;
      |            ^~~

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