Solution for Mock CCC '20 Contest 2 S2 - 4D BBST on a DP in C++

May 14, 2020 0.555386 seconds C++
#include <bits/stdc++.h>
#include <cstdio>
#include <iostream>
using namespace std;

typedef long long LL; 
typedef pair<int, int> pii; 
typedef pair<LL, LL> pll; 
typedef pair<string, string> pss; 
typedef vector<int> vi; 
typedef vector<vi> vvi; 
typedef vector<pii> vii; 
typedef vector<LL> vl; 
typedef vector<vl> vvl;
typedef queue<int> qi;
typedef queue<char> qc;
typedef stack<int> si;
typedef stack<char> sc;

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n;
	string t;
	cin >> n >> t;
	qc q; 
	for(int i = 0; i < n; i++){
	string current = "";
	current += q.front();
	string temp = "";
	if(q.front() < current[0] || q.front() == current[0]){
		temp += q.front();
		temp += current;
		current = temp;
		current += q.front();
	cout << current << "\n";
	return 0;


No editorial for this problem. :(

Original Problem

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