Submission #1152512

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1152512	2025-02-18 07:30:05	dzuizz	Trobojnica (COCI19_trobojnica)	C++20	0 / 110	63 ms	320 KiB

trobojnica

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#include<bits/stdc++.h>
using namespace std;
#define int long long
int n;
map<string,bool> mp;
void f(string s){
  if((int)s.size()==n){
    mp[s]=1;
    return;
  }
  string a,b;
  for(int i=0;i<(int)s.size();++i){
    int x=s[i]-'0';
    if(x==1) a="23",b="32";
    else if(x==2) a="13",b="31";
    else a="12",b="21";
    f(s.substr(0,i)+a+s.substr(i+1,s.size()-i-1));
    f(s.substr(0,i)+b+s.substr(i+1,s.size()-i-1));
  }
}
signed main(){
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  cin>>n;
  f("123");
  f("132");
  f("213");
  f("231");
  f("312");
  f("321");
  string S; cin>>S;
 
 
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• Subtask 1: 0 / 20
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50