제출 #1088109

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1088109		Wendidiask	Advertisement 2 (JOI23_ho_t2)	C++14	59 / 100	2056 ms	7720 KiB

Main

/*
                                     :---:--:--::::::--:-:----:                                     
                               ::-:::.                         ::-:::                               
                       .*  -===..                                    :---                           
                     .-+*##=-------====-:                                :--:                       
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             .++=-     +      -=              :*-                                 :-.               
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   =   .*        .+.. :=-                        :++ -+                                         =:  
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+           -#**----:       .=                 -*.         +  -=                                   =
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=            -+  :++:         +   ..     .=+=              .=     -=.                              -
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                                    .:::::::::-::::::--::::::::.                             
 */
#include <bits/stdc++.h>
using namespace std;
using namespace std::chrono;
#define int long long
#define debug(x) cerr << #x << " is " << x << "\n"
#define hehe ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define rep(i, a, b) for (int i = a; i <= b; i++)
#define repb(i, a, b) for (int i = b; i >= a; i--)
#define pii pair<int, int>
#define linebreak cout << "---------------------------------------------------------\n"
#define f first
#define s second
#define pb push_back
#define START auto start = high_resolution_clock::now();
#define END cout << '\n'; auto stop = high_resolution_clock::now(); auto duration = duration_cast<microseconds>(stop - start); long double time = duration.count();cout << "Time taken: " << time/1000000.0 << " seconds" << '\n';
// good luck
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
const int MS = 2e5+5, mod = 1e9+7;
int n;
pii p[MS];
stack<pii> st;
int32_t main() {
	cin >> n;
	for (int i = 1; i <= n; i++) {
		int x, e; cin >> x >> e;
		p[i] = {e-x, x+e};
	}
	sort(p+1, p+n+1);
	for (int i = 1; i <= n; i++) {
		while (!st.empty() and st.top().f <= p[i].f and st.top().s <= p[i].s) st.pop();
		st.push(p[i]);
	}
	cout << st.size();
}

• Subtask 1: 0 / 10
• Subtask 2: 23 / 23
• Subtask 3: 36 / 36
• Subtask 4: 0 / 31