제출 #707038

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
707038	2023-03-08 10:17:44	marvinthang	Horses (IOI15_horses)	C++17	100 / 100	578 ms	51352 KiB

horses

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/*************************************
*    author: marvinthang             *
*    created: 08.03.2023 15:25:43    *
*************************************/
#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
#define           REP(i, n)  for (int i = 0, _n = (n); i < _n; ++i)
template <class T> T invGeneral(T a, T b) {
    a %= b;
    if (!a) return b == 1 ? 0 : -1;
    T x = invGeneral(b, a);
    return x == -1 ? -1 : ((1 - 1LL * b * x) / a + b) % b;
}
const int MOD = 1e9 + 7;
const int MAX = 5e5 + 5;
int N, X[MAX], Y[MAX], bit[MAX], st[MAX << 2];
set <int, greater <int>> pos;
void build(int i, int l, int r) {
  if (r - l == 1) {
    st[i] = Y[l];
    return;
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'void build(int, int, int)':
horses.cpp:31:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   31 |  int m = l + r >> 1;
      |          ~~^~~
horses.cpp: In function 'void update(int, int, int, int)':
horses.cpp:42:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   42 |  int m = l + r >> 1;
      |          ~~^~~
horses.cpp: In function 'int getMax(int, int, int, int, int)':
horses.cpp:51:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |  int m = l + r >> 1;
      |          ~~^~~
horses.cpp: In function 'void update(int, int)':
horses.cpp:56:59: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   56 |  for (++i; i <= N; i += i & -i) bit[i] = 1LL * bit[i] * v % MOD;
      |                                          ~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int getMul(int)':
horses.cpp:61:56: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   61 |  for (++i; i > 0; i &= i - 1) res = 1LL * res * bit[i] % MOD;
      |                                     ~~~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int solve()':
horses.cpp:72:31: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   72 |    res = 1LL * getMul(l) * ca % MOD;
      |          ~~~~~~~~~~~~~~~~~~~~~^~~~~
horses.cpp:73:18: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   73 |    ma = ca; mb = cb;
      |                  ^~
horses.cpp: In instantiation of 'T invGeneral(T, T) [with T = int]':
horses.cpp:98:33:   required from here
horses.cpp:17:20: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   17 |     return x == -1 ? -1 : ((1 - 1LL * b * x) / a + b) % b;
      |            ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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