제출 #1102631

#제출 시각아이디문제언어결과실행 시간메모리
1102631ramzialoulouAdvertisement 2 (JOI23_ho_t2)C++17
0 / 100
1 ms504 KiB
#include <bits/stdc++.h> using namespace std; #ifdef Ramzi #include "debug.h" #else #define debug(...) #endif int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; vector<pair<int, int>> p(n); for (int i = 0; i < n; i++) { int x, e; cin >> x >> e; p[i].first = x - e; p[i].second = x + e; } sort(p.rbegin(), p.rend()); debug(p); int ans = 0, mx = 0; for (auto [f, s] : p) { if (mx < s) { mx = s; ans += 1; } } cout << ans << "\n"; return 0; }
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