Submission #472778

#	Time	Username	Problem	Language	Result	Execution time	Memory
472778		Mr_Ph	Lozinke (COCI17_lozinke)	C++14	100 / 100	480 ms	16348 KiB

lozinke

///made by : Mr_Ph :D
#include<bits/stdc++.h>
#include<unordered_map>
typedef long long ll;
typedef long long int lli;
typedef unsigned long long ull;
using namespace std;
const double PI=acos(-1.0);
const ll mod=(ll)1e9+7;
//int dx[4] = {0, 0, 1, -1};
//int dy[4] = {1, -1, 0, 0};
///the defines :)
#define endl '\n'
#define vi vector<int>
#define vll vector<ll>
#define lower(s) transform(s.begin(),s.end(),s.begin(),::tolower)
#define upper(s) transform(s.begin(),s.end(),s.begin(),::toupper)
#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()
///the end of the defines ;)
bool cmp(const string &a,const string &b)
{
    return a.sz<b.sz;
}
void solve()
{
    int n;
    cin>>n;
    vector<string>arr(n);
    ent(arr);
    sort(all(arr),cmp);
    map<string,int>mp;
    ll cnt=0;
    for(int i=0; i<n; i++)
    {
        map<string,int>mp1;
        for(int k=0; k<arr[i].sz; k++)
        {
            string c;
            for(int e=k; e<arr[i].sz; e++)
            {
                c+=arr[i][e];
                if(!mp1[c])
                {
                    mp[c]++;
                    mp1[c]++;
                }
            }
        }
    }
    for(int i=0;i<n;i++)
        cnt+=mp[arr[i]]-1;
    cout<<cnt<<endl;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(0);
    //freopen("window.in","r",stdin);
    //freopen("output.txt","w",stdout);
    int t=1;//int st;
    //cin>>t;//cin>>st;
    while(t--)
        solve();
}

Compilation message (stderr)

lozinke.cpp: In function 'void solve()':
lozinke.cpp:18:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 | #define ent(arr) for(int i=0;i<arr.size();i++)cin>>arr[i];
      |                              ~^~~~~~~~~~~
lozinke.cpp:32:5: note: in expansion of macro 'ent'
   32 |     ent(arr);
      |     ^~~
lozinke.cpp:39:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for(int k=0; k<arr[i].sz; k++)
      |                       ^
lozinke.cpp:42:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |             for(int e=k; e<arr[i].sz; e++)
      |                           ^

• Subtask 1: 100 / 100