Submission #1004553

#	Time	Username	Problem	Language	Result	Execution time	Memory
1004553		hacizadal	Horses (IOI15_horses)	C++17	17 / 100	1582 ms	12396 KiB

horses

#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ll long long
#define pll pair<ll, ll>
#define mod 1000000007
vector<ll>a, b;

int init(int N, int X[], int Y[]) {
    ll h = 1, mx = 0;
    for (ll i = 0; i<N; i++){
        a.push_back(X[i]);
        b.push_back(Y[i]);
    }
	for (ll i = 0; i<N; i++){
        h *= a[i];
        ll say = h*b[i];
        mx = max(mx, say);
        mx %= mod;
	}
	return mx;
}

int updateX(int pos, int val) {
	a[pos] = val;
	ll h = 1, mx = 0;
	for (ll i = 0; i<a.size(); i++){
        h *= a[i];
        ll say = h*b[i];
        mx = max(mx, say);
        mx %= mod;
	}
	return mx;
}

int updateY(int pos, int val) {
	b[pos] = val;
	ll h = 1, mx = 0;
	for (ll i = 0; i<b.size(); i++){
        h *= a[i];
        ll say = h*b[i];
        mx = max(mx, say);
        mx %= mod;
	}
	return mx;
}

Compilation message (stderr)

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:22:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   22 |  return mx;
      |         ^~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:28:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  for (ll i = 0; i<a.size(); i++){
      |                 ~^~~~~~~~~
horses.cpp:34:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   34 |  return mx;
      |         ^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:40:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |  for (ll i = 0; i<b.size(); i++){
      |                 ~^~~~~~~~~
horses.cpp:46:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   46 |  return mx;
      |         ^~

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