Submission #833901

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
833901	2023-08-22 09:25:05	Victor	Horses (IOI15_horses)	C++17	100 / 100	451 ms	182208 KiB

horses

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#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for (int i = (a); i < (b); i++)
#define per(i, a, b) for (int i = (b)-1; i >= (a); i--)
#define trav(a, x) for (auto &a : x)
#define all(x) x.begin(), x.end()
#define sz(x) x.size()
#define pb push_back
typedef long long ll;
typedef vector<ll> vll;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
const ll INF = 1'000'000'007;
struct Node {
    ll lo,hi,id;
    long double log_sum=0,val,madd=0;
    Node *l,*r;
    Node(const vll&x, const vll&y, long double add, ll L,ll R) : lo(L), hi(R) {
        if(hi-lo==1) {
            log_sum=logf64(x[lo])+add;
            val=log_sum+logf64(y[lo]);
            id=lo;
 
 
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Compilation message (stderr)

horses.cpp: In constructor 'Node::Node(const vll&, const vll&, long double, ll, ll)':
horses.cpp:27:33: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to '_Float64' {aka 'double'} may change value [-Wconversion]
   27 |             log_sum=logf64(x[lo])+add;
      |                                 ^
horses.cpp:28:37: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to '_Float64' {aka 'double'} may change value [-Wconversion]
   28 |             val=log_sum+logf64(y[lo]);
      |                                     ^
horses.cpp: In member function 'void Node::updateY(ll, ll)':
horses.cpp:60:32: warning: conversion from 'll' {aka 'long long int'} to '_Float64' {aka 'double'} may change value [-Wconversion]
   60 |             val=log_sum+logf64(v);
      |                                ^
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:128:38: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  128 |     return prodseg->query(id+1)*y[id]%INF;
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:133:42: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to '_Float64' {aka 'double'} may change value [-Wconversion]
  133 |     double diff=logf64(val)-logf64(x[pos]);
      |                                          ^
horses.cpp:138:38: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  138 |     return prodseg->query(id+1)*y[id]%INF;
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:146:38: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  146 |     return prodseg->query(id+1)*y[id]%INF;
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~

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