oj.uz

Submission #258072

# Submission time Handle Problem Language Result Execution time Memory
258072 2020-08-05T09:56:32 Z kartel Esej (COCI15_esej) C++14
80 / 80
 157 ms 11352 KB 
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast,nso-stack-protector,unroll-loops,fast-math,-O3")
#define F first
#define S second
#define pb push_back
#define N +100500
#define M (int(1e4) + 7)
#define sz(x) (int)x.size()
#define re return
#define oo ll(1e9)
#define el '\n'
#define Max_A int(1e9)
//#define el endl
#define pii pair <int, int>
#define err ld(1e-9)
#define Max_S int(3e6)
#define last(x) x.back()
#define all(x) (x).begin(), (x).end()
#define arr_all(x, n) (x + 1), (x + 1 + n)
//#define mp make_pair
using namespace std;
//using namespace __gnu_pbds;
//typedef tree <pair <int, int> , null_type, less_equal <pair <int, int> > , rb_tree_tag, tree_order_statistics_node_update> ordered_set;
typedef long long ll;
typedef short int si;
typedef long double ld;

string ans;
char c;
int kol, a, b, cnt, i;
map <string, char> mp;
vector <int> vc;

int main()
{
    cout.precision(2);
    ios_base::sync_with_stdio(0);
    iostream::sync_with_stdio(0);
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);

//    in("input.txt");
//    out("output.txt");

    cin >> a >> b;

    for (i = 0; i < 26; i++) vc.pb(i);

    while (cnt < b)
    {

        random_shuffle(all(vc));

        string new_str = "";
        for (i = 0; i < 15; i++) new_str += char('a' + vc[i]);
        if (mp[new_str]) continue;

        cnt++;
        ans += new_str + ' ';
    }

    ans.erase(sz(ans) - 1);

    cout << ans;
}

Subtask #1
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 6 ms 896 KB Output is correct
6 Correct 30 ms 3076 KB Output is correct
7 Correct 142 ms 11352 KB Output is correct
8 Correct 157 ms 11352 KB Output is correct
9 Correct 138 ms 11352 KB Output is correct
10 Correct 149 ms 11352 KB Output is correct