제출 #428278

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
428278		haxorman	말 (IOI15_horses)	C++14	17 / 100	1580 ms	12036 KiB

horses

#include "horses.h"
#include "bits/stdc++.h"
using namespace std;
 
const int mxN = 5e5 + 7;
const int MOD = 1e9 + 7;
 
int n;
long long x[mxN], y[mxN];
 
int init(int N, int X[], int Y[]) {
	n = N;
	for (int i = 0; i < n; ++i) {
		x[i] = X[i];
		y[i] = Y[i];
	}

	long long horses = 1, ans = 0;
	for (int i = 0; i < n; ++i) {
		horses *= x[i];
		ans = max(ans, y[i] * horses);
		ans %= MOD;
	}
	return ans;
}
 
int updateX(int pos, int val) {
	x[pos] = val;
	long long horses = 1, ans = 0;
	for (int i = 0; i < n; ++i) {
		horses *= x[i];
		ans = max(ans, y[i] * horses);
		ans %= MOD;
	}
	return ans;
}
 
int updateY(int pos, int val) {
	y[pos] = val;
	long long horses = 1, ans = 0;
	for (int i = 0; i < n; ++i) {
		horses *= x[i];
		ans = max(ans, y[i] * horses);
		ans %= MOD;
	}
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:24:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   24 |  return ans;
      |         ^~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:35:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   35 |  return ans;
      |         ^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:46:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   46 |  return ans;
      |         ^~~

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