제출 #589078

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
589078	2022-07-04 09:11:59	ParsaEs	Event Hopping (BOI22_events)	C++17	50 / 100	1557 ms	5120 KiB

events

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
//InTheNameOfGOD
//PRS;)
#pragma GCC optimize("unroll-loops", "Ofast", "O3")
#include<iostream>
#include<algorithm>
#define rep(i, l, r) for(ll i = l; i < r; i++)
#define min(x, y) (x < y ? x : y)
#define max(x, y) (x > y ? x : y)
#define X first
#define Y second
typedef int ll;
using namespace std;
typedef pair<ll, ll> pl;
typedef pair<ll, pl> pi;
constexpr ll inf = 2e9, xn = 1e5 + 5, xs = 200, s = 500;
ll d[xn], p[xn], sx[xn], x[xn], m[xs];
pi e[xn];
int main()
{
    ll n, q;
    scanf("%d %d", &n, &q);
    rep(i, 0, n) scanf("%d %d", &e[i].Y.X, &e[i].X), e[i] = {-e[i].X, {-e[i].Y.X, i}};
    sort(e, e + n);
    rep(i, 0, xs) m[i] = -inf;
    rep(i, 0, n)
    {
        sx[i] = x[i] = -1;
        rep(j, 0, i / s + 1) if(e[i].X <= m[j])
        {
            rep(k, j * s, min((j + 1) * s, i)) if(e[i].X <= e[k].Y.X)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

events.cpp: In function 'int main()':
events.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |     scanf("%d %d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~~
events.cpp:22:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     rep(i, 0, n) scanf("%d %d", &e[i].Y.X, &e[i].X), e[i] = {-e[i].X, {-e[i].Y.X, i}};
      |                  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
events.cpp:44:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |         scanf("%d %d", &l, &r);
      |         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30