제출 #963152

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
963152	2024-04-14 15:17:04	biank	별들과 삼각형 (IZhO11_triangle)	C++14	100 / 100	154 ms	10432 KiB

triangle

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#include <bits/stdc++.h>
using namespace std;
#define sz(x) int(x.size())
#define all(x) begin(x), end(x)
using ll = long long;
int compress(vector<int> &v) {
    vector<int> vals(all(v));
    sort(all(vals));
    vals.erase(unique(all(vals)), end(vals));
    for (int &x : v) x = int(lower_bound(all(vals), x) - begin(vals));
    return sz(vals);
}
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    
    int n;
    cin >> n;
    vector<int> x(n), y(n);
    for (int i = 0; i < n; i++) {
        cin >> x[i] >> y[i];
    }
    int cantX = compress(x), cantY = compress(y);
    vector<int> freqX(cantX, 0), freqY(cantY, 0);
    for (int i = 0; i < n; i++) {
 
 
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• Subtask 1: 100 / 100