Submission #1313346

#	Time	Username	Problem	Language	Result	Execution time	Memory
1313346		the_commando_x	Parametriziran (COCI19_parametriziran)	C++17	110 / 110	135 ms	2960 KiB

Main

// #pragma GCC optimize("O3")
#include <bits/stdc++.h>

using namespace std;

using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;

using pii = pair<int, int>;
using vii = vector<pii>;
using vvii = vector<vii>;

using l = long long;
using vl = vector<l>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;

using pll = pair<l, l>;
using vll = vector<pll>;
using vvll = vector<vll>;

using d = double;
using vd = vector<d>;
using vvd = vector<vd>;
using vvvd = vector<vvd>;

using ld = long double;
using vld = vector<ld>;
using vvld = vector<vld>;
using vvvld = vector<vvld>;

// using vb = vector<bool>;
// using vvb = vector<vb>;
// using pbb = pair<bool, bool>;
// using vbb = vector<pbb>;

#define ff first
#define ss second

#define pb push_back
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define sz(x) (int)(x).size()

void setIO(string name = "")
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    if (!name.empty())
    {
        (void)freopen((name + ".in").c_str(), "r", stdin);
        (void)freopen((name + ".out").c_str(), "w", stdout);
    }
}

const ld pi = 3.14159265358979323846;

const l LINF = 1e18;
const l INF = 1e9;

const l MOD = 1e9 + 7;
// const l MOD = 998244353;

const l MAXN = 50000 + 5;
const l MAXM = 6;
const l ALPHA = 26;

using b = bitset<MAXN>;
using vb = vector<b>;
using vvb = vector<vb>;

int n, m;
vvb vis(MAXM, vb(ALPHA, b(0))); // * vis[pos][letter] = bitset of words

void solve()
{
    for (int j = 0; j < MAXM; ++j)
        for (int k = 0; k < ALPHA; ++k)
            vis[j][k].reset();

    cin >> n >> m;

    vector<string> s(n);

    for (int i = 0; i < n; ++i)
    {
        cin >> s[i];
        for (int j = 0; j < m; ++j)
        {
            if (s[i][j] == '?')
                for (int k = 0; k < ALPHA; ++k)
                    vis[j][k][i] = true;
            else
                vis[j][s[i][j] - 'a'][i] = true;
        }
    }

    b a;
    for (int i = 0; i < n; ++i)
        a[i] = true;

    l ans = 0;
    for (int i = 0; i < n; ++i)
    {
        a[i] = false;

        b c = a;
        for (int j = 0; j < m; ++j)
            if (s[i][j] != '?')
                c &= vis[j][s[i][j] - 'a'];

        ans += c.count();
    }

    cout << ans;
}

int main()
{
    setIO("");

#ifndef ONLINE_JUDGE
    // setIO("filename");
#endif

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

    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void setIO(std::string)':
Main.cpp:53:22: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |         (void)freopen((name + ".in").c_str(), "r", stdin);
      |               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:54:22: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         (void)freopen((name + ".out").c_str(), "w", stdout);
      |               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 33 / 33
• Subtask 2: 33 / 33
• Subtask 3: 44 / 44