Submission #888550

#	Time	Username	Problem	Language	Result	Execution time	Memory
888550		Mr_Ph	Set (COCI21_set)	C++17	0 / 110	6 ms	348 KiB

Main

#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
typedef long long ll;
using namespace std;
using namespace __gnu_pbds;
#define ordered_set tree<x, null_type,
ll mod=(ll)1e9+7;
ll mod1=998244353;
///the defines :)
#define endl '\n'
#define vi vector<int>
#define ent(arr) for(int i=0;i<arr.size();i++)cin>>arr[i];
#define all(arr) arr.begin(),arr.end()
#define allr(arr) arr.rbegin(),arr.rend()
#define sz size()
#define int long long
void preprocess() {}
void solve()
{
    int n,kk;
    cin>>n>>kk;
    vector<string>arr(n);
    ent(arr);
    int cnt=0;
    map<string,int>mp;
    for(auto i:arr)mp[i]++;
    for(int i=0;i<n;i++)
    {
        mp[arr[i]]--;
        for(int j=i+1;j<n;j++)
        {
            mp[arr[j]]--;
            string s;
            bool valid=true;
            for(int o=0;o<kk;o++)
            {
                if(arr[i][o]==arr[j][o])s+=arr[i][o];
                else 
                {
                    char x=min(arr[i][o],arr[j][o]),y=max(arr[i][o],arr[j][o]);
                    if(x=='1'&&y=='2')s+='3';
                    else if(x=='2'&&y=='3')s+='1';
                    else if(x=='1'&&y=='3')s+='2';
                }
            }
               // cout<<s<<endl;
                cnt+=mp[s];
        }
    }
    cout<<cnt<<endl;
}
signed main()
{
    // freopen("meta_game_input.txt","r",stdin);
    // freopen("otput.txt","w",stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    preprocess();
    int t=1,st;
   // cin>>t;
    while(t--)
        solve();
}

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:13:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 | #define ent(arr) for(int i=0;i<arr.size();i++)cin>>arr[i];
      |                              ~^~~~~~~~~~~
Main.cpp:24:5: note: in expansion of macro 'ent'
   24 |     ent(arr);
      |     ^~~
Main.cpp:35:18: warning: unused variable 'valid' [-Wunused-variable]
   35 |             bool valid=true;
      |                  ^~~~~
Main.cpp: In function 'int main()':
Main.cpp:61:13: warning: unused variable 'st' [-Wunused-variable]
   61 |     int t=1,st;
      |             ^~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 70