oj.uz

Submission #457619

# Submission time Handle Problem Language Result Execution time Memory
457619 2021-08-07T08:59:10 Z Aldas25 Coins (LMIO19_monetos) C++14
19.1939 / 100
 22 ms 772 KB 
#include <bits/stdc++.h>

using namespace std;

#define FAST_IO ios_base::sync_with_stdio(0); cin.tie(0)
#define FOR(i, a, b) for(int i = (a); i <= (b); i++)
#define REP(n) FOR(O, 1, (n))
#define pb push_back
#define f first
#define s second
typedef long double ld;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<int, pii> piii;
typedef vector<int> vi;
typedef vector<pii> vii;
typedef vector<ll> vl;
typedef vector<piii> viii;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int MAXN = 1000100, MAXK = 60;
//const ll MOD = 998244353;
const ll MOD = 1e9+7;
const ll INF = 1e17;

int t, n, k1, k2;

bool grid[310][310], cur[310][310], ans[310][310];
int mn = 310*310;

void printCur () {
    cout << " printing cur" << "\n";
    FOR(i, 0, n-1){
        FOR(j, 0, n-1) cout << cur[i][j] << " ";
        cout << "\n";
    }
    cout << endl;
}

void eval () {
    int cr = 0;
    FOR(i, 0, n-1) FOR(j, 0, n-1) cr += (!grid[i][j] && cur[i][j]);
    if (cr < mn) {
        mn = cr;
        FOR(i, 0, n-1) FOR(j, 0, n-1) ans[i][j] = cur[i][j];
    }

    //cout << " evaled cur, cr = " << cr << endl;
    //printCur();
}

void sol1 () {
    FOR(i, 0, n-1) FOR(j, 0, n-1) {
        if (i < (n/2)) cur[i][j] = false;
        else cur[i][j] = true;
    }
    eval();
}

void sol2 () {
    FOR(i, 0, n-1) FOR(j, 0, n-1) {
        if (j < (n/2)) cur[i][j] = false;
        else cur[i][j] = true;
    }
    eval();
}


void sol3 () {
    FOR(i, 0, n-1) FOR(j, 0, n-1) {
        if (j < (n-i)) cur[i][j] = false;
        else cur[i][j] = true;
    }
    FOR(i, 0, (n/2)-1) {
        cur[i][n-i-1] = true;
    }
    eval();
}

void sol4 () {
    FOR(i, 0, n-1) FOR(j, 0, n-1) {
        if (j < (n-i)) cur[i][j] = false;
        else cur[i][j] = true;
    }
    FOR(i, (n/2), n-1) {
        cur[i][n-i-1] = true;
    }
    eval();
}

void sol5 () {
    FOR(i, 0, n-1) FOR(j, 0, n-1) {
        if (j < (n-i)) cur[i][j] = false;
        else cur[i][j] = true;
    }
    FOR(i, 0, n-1) {
        if (i%2 == 0) cur[i][n-i-1] = true;
    }
    eval();
}

int h[310];

void sol6() {
    int s = n*n / 2;

    FOR(i, 0, n-1) h[i] = n;
    FOR(i, 0, n-1) FOR(j, 0, n-1) cur[i][j] = false;

    int fl = 0;

    while (s > 0) {
        int range = min(s, n);
        int id = rng() % range;
        id = n-1-id - fl;

        for (int j = id; j < n; j++) {
            if (h[j] == 0) continue;
            s--;
            h[j]--;
            cur[h[j]][j] = true;
            if (h[j] == 0) fl++;
        }
    }

    eval();
}

int main()
{
    FAST_IO;

    cin >> t >> n >> k1 >> k2;

    FOR(i, 0, n-1) FOR(j, 0, n-1) cin >> grid[i][j];

    sol1();
    sol2();
    sol3();
    sol4();
    sol5();

    REP(5) sol6();

    FOR(i, 0, n-1) {
        FOR(j, 0, n-1) cout << ans[i][j] << " ";
        cout << "\n";
    }

    return 0;
}

Subtask #1
19.1939233203 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB K = 22
2 Incorrect 1 ms 332 KB K = 623
3 Partially correct 22 ms 772 KB K = 20002
4 Partially correct 22 ms 684 KB K = 23053
5 Partially correct 22 ms 728 KB K = 18397
6 Partially correct 22 ms 756 KB K = 21954
7 Partially correct 21 ms 708 KB K = 22373
8 Partially correct 20 ms 716 KB K = 20045
9 Partially correct 22 ms 732 KB K = 21031
10 Partially correct 22 ms 716 KB K = 22096