oj.uz

Submission #636646

# Submission time Handle Problem Language Result Execution time Memory
636646 2022-08-29T21:07:49 Z Mr_Ph Lozinke (COCI17_lozinke) C++14
100 / 100
 298 ms 16608 KB 
///Never gonna give you up.
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
typedef long long ll;
typedef long long int lli;
typedef unsigned long long ull;
using namespace std;
using namespace __gnu_pbds;
template<class x>
using ordered_set = tree<x, null_type,less<x>, rb_tree_tag,tree_order_statistics_node_update>;
const ll mod=(ll)1e9+7;
const ll mod1=998244353;
///the defines :)
#define endl '\n'
#define vi vector<int>
#define vll vector<ll>
#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 ;)
void bla()
{
#ifndef ONLINE_JUDGE
    freopen("input.txt","r",stdin);
    freopen("notsus.txt","w",stdout);
#endif
}
ll power(ll x,ll y)
{
    if(y==0)
        return 1;
    if(y==1)
        return x%mod;
    ll r=power(x%mod,(y%mod)/2)%mod;
    if(y%2)
        return ((r%mod)*(r%mod)*(x%mod));
    else
        return ((r%mod)*(r%mod));
}
ll lcm(ll a,ll b)
{
    return max(a,b)/__gcd(a,b)*min(a,b);
}
void preprocess(){}
void solve()
{
  int n;
  cin>>n;
  vector<string>arr(n);
  ent(arr);
  sort(all(arr));
  map<string,int>mp;
  int ans=0;
  for(int i=0;i<n;i++)mp[arr[i]]++;
  for(int i=0;i<n;i++)
  {
    mp[arr[i]]--;
    bool valid=true;
    set<string>st;
            for(int k=0; k<arr[i].sz; k++)
        {
            string c;
            for(int e=k; e<arr[i].sz; e++)
            {
                c+=arr[i][e];
        st.insert(c);
            }
        }
    for(auto i:st)
    {
      ans+=mp[i];
      //cout<<i<<" "<<mp[i]<<endl;
    }
    //cout<<"goodbye"<<endl;
    mp[arr[i]]++;
  }
  cout<<ans<<endl;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    preprocess();
    //bla();
    int t=1;
    //cin>>t;
    while(t--)
        solve();
}

Compilation message

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:52:3: note: in expansion of macro 'ent'
   52 |   ent(arr);
      |   ^~~
lozinke.cpp:62:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |             for(int k=0; k<arr[i].sz; k++)
      |                           ^
lozinke.cpp:65:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |             for(int e=k; e<arr[i].sz; e++)
      |                           ^
lozinke.cpp:60:10: warning: unused variable 'valid' [-Wunused-variable]
   60 |     bool valid=true;
      |          ^~~~~
lozinke.cpp: In function 'void bla()':
lozinke.cpp:26:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |     freopen("input.txt","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
lozinke.cpp:27:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |     freopen("notsus.txt","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 8 ms 708 KB Output is correct
6 Correct 12 ms 724 KB Output is correct
7 Correct 16 ms 1368 KB Output is correct
8 Correct 27 ms 2280 KB Output is correct
9 Correct 67 ms 2384 KB Output is correct
10 Correct 133 ms 7500 KB Output is correct
11 Correct 106 ms 4316 KB Output is correct
12 Correct 283 ms 16608 KB Output is correct
13 Correct 195 ms 2856 KB Output is correct
14 Correct 234 ms 15044 KB Output is correct
15 Correct 298 ms 16428 KB Output is correct
16 Correct 168 ms 1304 KB Output is correct
17 Correct 54 ms 1108 KB Output is correct
18 Correct 39 ms 1108 KB Output is correct
19 Correct 197 ms 8620 KB Output is correct
20 Correct 91 ms 1256 KB Output is correct