제출 #778116

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
778116	2023-07-10 06:26:10	boris_mihov	Horses (IOI15_horses)	C++17	100 / 100	537 ms	60848 KiB

horses

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#include "horses.h"
#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <vector>
#include <set>
typedef long long llong;
const int MAXN = 500000 + 10;
const int MOD = 1e9 + 7;
int n;
struct SegmentTree
{
    struct Node
    {
        int prodX;
        int maxY;
        Node()
        {
            prodX = 1;
            maxY = 0;
        }
    };
    Node tree[4*MAXN];
    Node combine(Node left, Node right)
    {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In member function 'SegmentTree::Node SegmentTree::combine(SegmentTree::Node, SegmentTree::Node)':
horses.cpp:33:54: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   33 |         res.prodX = (1LL * left.prodX * right.prodX) % MOD;
      |                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int answerQuery()':
horses.cpp:121:14: warning: unused variable 'i' [-Wunused-variable]
  121 |     for (int i = 0 ; prod < MOD && it != pos.rend() ; ++it)
      |              ^
horses.cpp:136:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  136 |     for (int i = 0 ; i + 1 < toCheck.size() ; ++i)
      |                      ~~~~~~^~~~~~~~~~~~~~~~
horses.cpp:144:16: warning: conversion from '__int128' to 'int' may change value [-Wconversion]
  144 |     return ans % MOD;
      |            ~~~~^~~~~

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