Submission #1157683

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1157683	2025-02-26 07:17:27	vicvic	Towers (NOI22_towers)	C++20	100 / 100	429 ms	123524 KiB

Main

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#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
const int NMAX=1e6;
int n;
int x[NMAX+5], y[NMAX+5], indx[NMAX+5], indy[NMAX+5];
vector <int> xs[NMAX+5], ys[NMAX+5];
int top[NMAX+5], bottom[NMAX+5], min_line[NMAX+5], max_line[NMAX+5];
vector <int> try_again;
void add_point (int ind, bool type)
{
    if (type)
        top[ind]=1;
    else bottom[ind]=1;
    int &mn=min_line[y[ind]];
    int &mx=max_line[y[ind]];
    if (mn==-1)
    {
        mn=mx=ind;
    }
    else
    {
        if (x[mn]>x[ind])
        {
            if (mx!=mn) try_again.push_back (mn);
            mn=ind;
        }
        if (x[mx]<x[ind])
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 11 / 11
• Subtask 3: 7 / 7
• Subtask 4: 6 / 6
• Subtask 5: 31 / 31
• Subtask 6: 21 / 21
• Subtask 7: 19 / 19