Submission #989053

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
989053	2024-05-27 11:08:53	crafticat	Horses (IOI15_horses)	C++17	100 / 100	655 ms	107564 KiB

horses

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#include <bits/stdc++.h>
using namespace std;
constexpr int MOD = 1e9 + 7;
using ll = __int128;
vector<int> x, y;
set<int> exists;
ll global = 1;
int n;
ll myPOW(ll a, ll b) {
    if (b == 0) return 1;
    ll v = myPOW(a, b / 2);
    v *= v;
    v %= MOD;
    if (b % 2 == 1) v *= a;
    v %= MOD;
    return v;
}
ll inv(ll v) {
    return myPOW(v, MOD - 2);
}
struct Segment {
    Segment *left = nullptr, *right = nullptr;
    int l, r, mid;
    ll val = 1;
 
 
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Compilation message (stderr)

horses.cpp: In constructor 'Segment::Segment(int, int)':
horses.cpp:31:24: warning: declaration of 'r' shadows a member of 'Segment' [-Wshadow]
   31 |     Segment(int l, int r) : l(l), r(r), mid((r + l) / 2) {
      |                    ~~~~^
horses.cpp:28:12: note: shadowed declaration is here
   28 |     int l, r, mid;
      |            ^
horses.cpp:31:17: warning: declaration of 'l' shadows a member of 'Segment' [-Wshadow]
   31 |     Segment(int l, int r) : l(l), r(r), mid((r + l) / 2) {
      |             ~~~~^
horses.cpp:28:9: note: shadowed declaration is here
   28 |     int l, r, mid;
      |         ^
horses.cpp: In constructor 'Segment::Segment(int, int)':
horses.cpp:31:24: warning: declaration of 'r' shadows a member of 'Segment' [-Wshadow]
   31 |     Segment(int l, int r) : l(l), r(r), mid((r + l) / 2) {
      |                    ~~~~^
horses.cpp:28:12: note: shadowed declaration is here
   28 |     int l, r, mid;
      |            ^
horses.cpp:31:17: warning: declaration of 'l' shadows a member of 'Segment' [-Wshadow]
   31 |     Segment(int l, int r) : l(l), r(r), mid((r + l) / 2) {
      |             ~~~~^
horses.cpp:28:9: note: shadowed declaration is here
   28 |     int l, r, mid;
      |         ^
horses.cpp: In constructor 'Segment::Segment(int, int)':
horses.cpp:31:24: warning: declaration of 'r' shadows a member of 'Segment' [-Wshadow]
   31 |     Segment(int l, int r) : l(l), r(r), mid((r + l) / 2) {
      |                    ~~~~^
horses.cpp:28:12: note: shadowed declaration is here
   28 |     int l, r, mid;
      |            ^
horses.cpp:31:17: warning: declaration of 'l' shadows a member of 'Segment' [-Wshadow]
   31 |     Segment(int l, int r) : l(l), r(r), mid((r + l) / 2) {
      |             ~~~~^
horses.cpp:28:9: note: shadowed declaration is here
   28 |     int l, r, mid;
      |         ^
horses.cpp: In member function 'int Segment::q(int, int)':
horses.cpp:39:38: warning: conversion from 'll' {aka '__int128'} to 'int' may change value [-Wconversion]
   39 |         if (a <= l && b >= r) return val;
      |                                      ^~~
horses.cpp: In function 'int solve()':
horses.cpp:89:25: warning: conversion from 'll' {aka '__int128'} to 'int' may change value [-Wconversion]
   89 |     return (ans * left) % MOD;
      |            ~~~~~~~~~~~~~^~~~~

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