oj.uz

Submission #526858

# Submission time Handle Problem Language Result Execution time Memory
526858 2022-02-16T11:39:10 Z bibabas Kutije (COCI21_kutije) C++14
70 / 70
 147 ms 6044 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("no-stack-protector")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//#pragma GCC optimize("inline")
//#pragma GCC optimize("-fgcse")
//#pragma GCC optimize("-fgcse-lm")
//#pragma GCC optimize("-fipa-sra")
//#pragma GCC optimize("-ftree-pre")
//#pragma GCC optimize("-ftree-vrp")
//#pragma GCC optimize("-fpeephole2")
//#pragma GCC optimize("-ffast-math")
//#pragma GCC optimize("-fsched-spec")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-falign-jumps")
//#pragma GCC optimize("-falign-loops")
//#pragma GCC optimize("-falign-labels")
//#pragma GCC optimize("-fdevirtualize")
//#pragma GCC optimize("-fcaller-saves")
//#pragma GCC optimize("-fcrossjumping")
//#pragma GCC optimize("-fthread-jumps")
//#pragma GCC optimize("-funroll-loops")
//#pragma GCC optimize("-fwhole-program")
//#pragma GCC optimize("-freorder-blocks")
//#pragma GCC optimize("-fschedule-insns")
//#pragma GCC optimize("inline-functions")
//#pragma GCC optimize("-ftree-tail-merge")
//#pragma GCC optimize("-fschedule-insns2")
//#pragma GCC optimize("-fstrict-aliasing")
//#pragma GCC optimize("-fstrict-overflow")
//#pragma GCC optimize("-falign-functions")
//#pragma GCC optimize("-fcse-skip-blocks")
//#pragma GCC optimize("-fcse-follow-jumps")
//#pragma GCC optimize("-fsched-llerblock")
//#pragma GCC optimize("-fpartial-inlining")
//#pragma GCC optimize("no-stack-protector")
//#pragma GCC optimize("-freorder-functions")
//#pragma GCC optimize("-findirect-inlining")
//#pragma GCC optimize("-fhoist-adjacent-loads")
//#pragma GCC optimize("-frerun-cse-after-loop")
//#pragma GCC optimize("-inline-small-functions")
//#pragma GCC optimize("-finline-small-functions")
//#pragma GCC optimize("-ftree-switch-conversion")
//#pragma GCC optimize("-foptimize-sibling-calls")
//#pragma GCC optimize("-fexpensive-optimizations")
//#pragma GCC optimize("-funsafe-loop-optimizations")
//#pragma GCC optimize("inline-functions-called-once")
//#pragma GCC optimize("-fdelete-null-poller-checks")
#ifdef DEBUG
#define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define ull unsigned ll
#define vi vector<ll>
#define vvi vector<vi>
#define all(x) x.begin(), x.end()
#define pb push_back
#define mp make_pair
#define ld long double
#define pii pair<ll, ll>
#define mt make_tuple
#define mn(a, b) a = min(a, b)
#define mx(a, b) a = max(a, b)
#define base complex<ld>
#define START_DEPTH 18

using namespace std;
const ll inf = (ll)1e18;
const ld eps = (ld)1e-12;
const ll mod = (ll)1e9 + 7;
const ll mod2 = (ll)1e9 + 9;
const ll MAXN = (ll)2e5 + 10;
const ll MAXC = (ll)1e5 + 10;
const ll MAXLOG = (ll)20;
const ll asci = (ll)256;
const ll block = 316;
const ld PI = acos(-1LL);
const ll INF = 2e9;
const ld e = 2.7182818284;

//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//
//typedef tree<
//ll,
//null_type,
//less<ll>,
//rb_tree_tag,
//tree_order_statistics_node_update>
//ordered_set;

// === Debug macro starts here ===
template<typename A, typename B>
string to_string(pair<A, B> p);

template<typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);

template<typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);

string to_string(const string &s) {
    return '"' + s + '"';
}

string to_string(const char *s) {
    return to_string((string) s);
}

string to_string(vector<bool> v) {
    bool first = true;
    string res = "{";
    for (ll i = 0; i < static_cast<ll>(v.size()); i++) {
        if (!first) {
            res += ", ";
        }
        first = false;
        res += to_string(v[i]);
    }
    res += "}";
    return res;
}

template<typename A>
string to_string(A v) {
    bool first = true;
    string res = "{";
    for (const auto &x: v) {
        if (!first) {
            res += ", ";
        }
        first = false;
        res += to_string(x);
    }
    res += "}";
    return res;
}

template<typename A, typename B>
string to_string(pair<A, B> p) {
    return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}

template<typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
    return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}

string to_string(char c) {
    return string() + c;
}

template<typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
    return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " +
           to_string(get<3>(p)) + ")";
}

template<typename A, std::size_t N>
string to_string(A (&v)[N]) {
    bool first = true;
    string res = "{";
    for (ll i = 0; i < N; i++) {
        if (!first) {
            res += ", ";
        }
        first = false;
        res += to_string(v[i]);
    }
    res += "}";
    return res;
}

void debug_out() { cerr << "\n"; }

template<typename Head, typename... Tail>
void debug_out(Head &H, Tail... T) {
    cerr << " " << to_string(H);
    debug_out(T...);
}

#ifdef DEBUG
#define dbg(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__);
#else
#define dbg(...);
#endif

// === Debug macro ends here ===

pii operator +(const pii &a, const pii &b) {
    return {a.first + b.first, a.second + b.second};
}

template <class T>
istream& operator >>(istream &in, vector<T> &arr){
    for (T &cnt : arr) {
        in >> cnt;
    }
    return in;
};



void solve() {
    int n, m, q; cin >> n >> m >> q;
    vvi comps(n);
    vi id(n);
    for (int i = 0; i < n; ++i) comps[i] = {i}, id[i] = i;
    for (int j = 0; j < m; ++j) {
        vi p(n); cin >> p;
        dbg(comps);
        dbg(id);
        dbg(p);
        for (int i = 0; i < n; ++i) {
            if (id[p[i] - 1] != id[i]) {
                int id_n = id[p[i] - 1];
                for (int k : comps[id_n]) {
                    comps[id[i]].push_back(k);
                    id[k] = id[i];
                }
                comps[id_n].clear();
            }
            dbg(comps);
            dbg(id);
        }
    }
    dbg(comps);
    dbg(id);
    while (q--) {
        int a, b; cin >> a >> b;
        --a, --b;
        if (id[a] == id[b]) {
            cout << "DA\n";
        } else cout << "NE\n";
    }
}

signed main() {
    srand(time(0LL));
#ifdef DEBUG
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#else
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
#endif
    cout.precision(30);
//#define TEST
#ifdef TEST
    ll t; cin >> t;
    while (t--)
#endif

    solve();

    return 0LL;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 5696 KB Output is correct
2 Correct 65 ms 4972 KB Output is correct
3 Correct 68 ms 4680 KB Output is correct
4 Correct 73 ms 5720 KB Output is correct
5 Correct 77 ms 5624 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 320 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 320 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 332 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 5696 KB Output is correct
2 Correct 65 ms 4972 KB Output is correct
3 Correct 68 ms 4680 KB Output is correct
4 Correct 73 ms 5720 KB Output is correct
5 Correct 77 ms 5624 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 320 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 328 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 352 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 142 ms 5940 KB Output is correct
27 Correct 134 ms 5936 KB Output is correct
28 Correct 119 ms 5816 KB Output is correct
29 Correct 131 ms 5932 KB Output is correct
30 Correct 116 ms 5696 KB Output is correct
31 Correct 111 ms 5588 KB Output is correct
32 Correct 134 ms 5924 KB Output is correct
33 Correct 136 ms 5860 KB Output is correct
34 Correct 130 ms 6044 KB Output is correct
35 Correct 147 ms 5968 KB Output is correct