Submission #888545

#	Time	Username	Problem	Language	Result	Execution time	Memory
888545		Mr_Ph	Set (COCI21_set)	C++17	10 / 110	1043 ms	460 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;
    for(int i=0;i<n;i++)
    {
        for(int j=i+1;j<n;j++)
        {
            for(int k=j+1;k<n;k++)
            {
                bool valid=true;
                for(int o=0;o<kk;o++)
                {
                    set<char>st;
                    st.insert(arr[i][o]);
                    st.insert(arr[j][o]);
                    st.insert(arr[k][o]);
                    if(st.sz==2)
                    {
                        valid=false;
                        break;
                    }
                }
                cnt+=valid;
            }
        }
    }
    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: In function 'int main()':
Main.cpp:59:13: warning: unused variable 'st' [-Wunused-variable]
   59 |     int t=1,st;
      |             ^~

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