Submission #1124068

#	Time	Username	Problem	Language	Result	Execution time	Memory
1124068		JanPham	Lozinke (COCI17_lozinke)	C++20	100 / 100	293 ms	17032 KiB

lozinke

#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define fi first
#define se second
#define TranLeThanhTam "TranLeThanhTam"
#define all(v) v.begin(),v.end()
#define reset(a,i) memset(a,i,sizeof(a))
#define FOR(i,a,b) for (int i = (a), _b = (b); i <= _b; ++i)
#define FORD(i,a,b) for (int i = (a), _b = (b); i >= _b; --i)
#define compact(v) sort(all(v)), v.erase(unique(all(v)), end(v))
#define sz(v) (int) v.size()
#define MASK(i) (1 << (i))

typedef long long ll;
typedef long double lb;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;

const int Thanh_Tam = 2 * 1e4 + 17;
const int inf = 1e9 + 17;
const long long infll = 1e18 + 17;
const int MOD = 1e9 + 7;
const int Log = 18;
const int dx[4] = {-1, 0, 0, 1};
const int dy[4] = {0, -1, 1, 0};
const int max_block_size = 270;
const ll P = 311;
const int maxA = 1e2 + 17;
const int addi = 1e9;
const char dir[4] = {'W', 'S', 'N', 'E'};
const int Mod[3] = {998244353, MOD, 759186269};

ll mul(ll a, ll b, ll mod);
ll binpow(ll a, ll b, ll mod)
{
    ll res = 1;
    while (b > 0)
    {
        if (b & 1) res = mul(res,a,mod);
        b >>= 1;
        a = mul(a,a,mod);
    }
    return res;
}
ll add(ll a, ll b, ll mod) { return (a + b) % mod;                 }
ll sub(ll a, ll b, ll mod) { return (a - b + mod) % mod;          }
ll mul(ll a, ll b, ll mod) { return ((a % mod) * (b % mod)) % mod; }
ll div(ll a, ll b, ll mod) { return mul(a, binpow(b, mod - 2, mod), mod); }

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rand_range(ll l, ll r) { return uniform_int_distribution<ll>(l,r)(rng); }

int n, ans = 0;
string s[Thanh_Tam];
map<string, int> mp;

void ThanhTam()
{
    cin >> n;
    FOR(i,1,n)
    {
        cin >> s[i];
        ++mp[s[i]];
    }
    FOR(i,1,n)
    {
        int m = sz(s[i]);
        vector<string> value_s;
        FOR(l, 0, m - 1)
        {
            string tmp = "";
            FOR(r, l, m - 1)
            {
                tmp += s[i][r];
                value_s.pb(tmp);
            }
        }
        compact(value_s);
        for (string v : value_s) ans += mp[v];
    }
    cout << ans - n;

    return;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    if (fopen(TranLeThanhTam".inp","r"))
    {
        freopen(TranLeThanhTam".inp","r",stdin);
        freopen(TranLeThanhTam".out","w",stdout);
    }

    int t = 1;
    //cin >> t;
    while (t--)
        ThanhTam();

    return 0;
}

Compilation message (stderr)

lozinke.cpp: In function 'int main()':
lozinke.cpp:97:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   97 |         freopen(TranLeThanhTam".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lozinke.cpp:98:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   98 |         freopen(TranLeThanhTam".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100