배열합치기

www.acmicpc.net/problem/11728

11728번: 배열 합치기

#include<iostream>
#include<vector>
#include<cstring>
#include<algorithm>
#include<set>
#include<map>
#include<queue>
#include<stack>
#include<string>
#include<deque>
#include<math.h>
#include<cmath>
using namespace std;

int main() {

	ios_base::sync_with_stdio(false);
	cin.tie(nullptr), cout.tie(nullptr);

	int n, m;
	cin >> n;
	cin >> m;

	vector<int>a;
	vector<int>b;

	for (int i = 0; i < n; i++) {
		int num;
		cin >> num;
		a.push_back(num);
	}

	for (int i = 0; i < m; i++) {
		int num2;
		cin >> num2;
		b.push_back(num2);
	}


	int i1 = 0;
	int i2 = 0;

	a.push_back(1e9 + 1);
	b.push_back(1e9 + 1);
	vector<int>answer;

	while (i1<n || i2<m) {
		
		if (a[i1] == b[i2]) {
			cout << a[i1] <<" "<<b[i2]<<" ";
			i1++;
			i2++;
		}
		else if (a[i1] < b[i2]) {
			cout << a[i1] << " ";
			i1++;
		}
		else {
			cout << b[i2] << " ";
			i2++;
		}
	}





}