oj.uz

Submission #377486

# Submission time Handle Problem Language Result Execution time Memory
377486 2021-03-14T09:06:54 Z ne4eHbKa Sateliti (COCI20_satellti) C++17
50 / 110
 3000 ms 219528 KB 
#include <bits/stdc++.h>
using namespace std;
#ifndef _LOCAL
//#pragma GCC optimize("O3,Ofast")
#else
#pragma GCC optimize("O0")
#endif
template<typename t> inline void umin(t &a, const t b) {a = min(a, b);}
template<typename t> inline void umax(t &a, const t b) {a = max(a, b);}
typedef pair<int, int> pii;
typedef long long ll;
typedef long double ld;
typedef int8_t byte;
ll time() {return chrono::system_clock().now().time_since_epoch().count();}
mt19937 rnd(time());
#define ft first
#define sd second
#define len(f) int((f).size())
#define bnd(f) (f).begin(), (f).end()
#define _ <<' '<<
const int inf = 1e9 + 5;
const ll inf64 = 4e18 + 5;
const int md = 998244353;
namespace MD {
    void add(int &a, const int b) {if((a += b) >= md) a -= md;}
    void sub(int &a, const int b) {if((a -= b) < 0) a += md;}
    int prod(const int a, const int b) {return ll(a) * b % md;}
};

const int N = 1e3 + 5;
const int NN = 2e3 + 5;
const int K = 4e6 + 5;

int n, m, nn, mm, d;
typedef array<array<int, NN>, NN> mt;
mt a[15], A, z;
int fst[K], lst[K], nxt[K], vl[K], t, e[K], ne;

void add(int i, int j) {
    umax(d, i + 1);
    if(fst[i] < 0) {
        fst[i] = lst[i] = t;
    } else {
        nxt[lst[i]] = t;
        lst[i] = t;
    }
    vl[t++] = j;
}

void iterate(int i) {
    if(fst[i] < 0) return;
    for(int j = fst[i]; ; j = nxt[j]) {
        e[ne++] = vl[j];
        if(j == lst[i]) {
            fst[i] = -1;
            return;
        }
    }
}

typedef pair<pii, pii> ppp;
vector<ppp> f;

void combine(mt &a, mt &b, mt &c, int dx, int dy) {
    f.clear();
    for(int i = 0; i + dx < nn; ++i)
        for(int j = 0; j + dy < mm; ++j)
            f.push_back({{a[i][j], b[i + dx][j + dy]}, {i, j}});
    int k = len(f);

    d = t = 0;
    for(int i = 0; i < k; ++i)
        add(f[i].ft.sd, i);
    ne = 0;
    for(int i = 0; i < d; ++i)
        iterate(i);

    d = t = 0;
    for(int i = 0; i < ne; ++i)
        add(f[e[i]].ft.ft, e[i]);
    ne = 0;
    for(int i = 0; i < d; ++i)
        iterate(i);

    for(int i = 0, j = 0; i < k; ++i) {
        auto &g = f[e[i]];
        if(i && g.ft != f[e[i - 1]].ft)
            ++j;
        c[g.sd.ft][g.sd.sd] = j;
    }
}

void solve() {
    memset(fst, -1, sizeof fst);
    cin >> n >> m;
    for(int i = 0; i < n + n; ++i) {
        for(int j = 0; j < m + m; ++j) {
            if(i < n && j < m) {
                char c; cin >> c;
                a[0][i][j] = c == '.';
            } else
                a[0][i][j] = a[0][i % n][j % m];
            A[i][j] = 0;
        }
    }
    z = a[0];
    nn = n << 1;
    mm = m << 1;
    for(int i = 0, u = m; ; ++i) {
        if(i) combine(a[i - 1], a[i - 1], a[i], 0, 1 << i - 1);
        if(u & 1 << i) {
            combine(a[i], A, A, 0, 1 << i);
            u ^= 1 << i;
            if(!u) break;
        }
    }
    a[0] = A;
    for(int i = 0; i < nn; ++i)
        for(int j = 0; j < mm; ++j)
            A[i][j] = 0;
    for(int i = 0, u = n; ; ++i) {
        if(i) combine(a[i - 1], a[i - 1], a[i], 1 << i - 1, 0);
        if(u & 1 << i) {
            combine(a[i], A, A, 1 << i, 0);
            u ^= 1 << i;
            if(!u) break;
        }
    }
    int x = 0, y = 0;
    for(int i = 0; i < n; ++i)
        for(int j = 0; j < m; ++j)
            if(A[i][j] < A[x][y])
                x = i, y = j;
    for(int i = 0; i < n; ++i, cout << '\n')
        for(int j = 0; j < m; ++j) cout << (z[x + i][y + j] ? '.' : '*');
}

signed main() {
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#ifndef _LOCAL
//    freopen("file.in", "r", stdin);
//    freopen("file.out", "w", stdout);
#else
    system("color a");
    freopen("in.txt", "r", stdin);
    int t; cin >> t;
    while(t--)
#endif
    solve();
}

Compilation message

Main.cpp: In function 'void solve()':
Main.cpp:110:59: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
  110 |         if(i) combine(a[i - 1], a[i - 1], a[i], 0, 1 << i - 1);
      |                                                         ~~^~~
Main.cpp:122:56: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
  122 |         if(i) combine(a[i - 1], a[i - 1], a[i], 1 << i - 1, 0);
      |                                                      ~~^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 50672 KB Output is correct
2 Correct 41 ms 50288 KB Output is correct
3 Correct 41 ms 50288 KB Output is correct
4 Correct 40 ms 50288 KB Output is correct
5 Correct 42 ms 50544 KB Output is correct
6 Correct 42 ms 50544 KB Output is correct
7 Correct 42 ms 50544 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 50672 KB Output is correct
2 Correct 41 ms 50288 KB Output is correct
3 Correct 41 ms 50288 KB Output is correct
4 Correct 40 ms 50288 KB Output is correct
5 Correct 42 ms 50544 KB Output is correct
6 Correct 42 ms 50544 KB Output is correct
7 Correct 42 ms 50544 KB Output is correct
8 Correct 1313 ms 91560 KB Output is correct
9 Correct 44 ms 49136 KB Output is correct
10 Correct 44 ms 68076 KB Output is correct
11 Correct 381 ms 91216 KB Output is correct
12 Correct 329 ms 91692 KB Output is correct
13 Correct 445 ms 92880 KB Output is correct
14 Correct 479 ms 92752 KB Output is correct
15 Correct 642 ms 92824 KB Output is correct
16 Correct 533 ms 92880 KB Output is correct
17 Correct 357 ms 92496 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 50672 KB Output is correct
2 Correct 41 ms 50288 KB Output is correct
3 Correct 41 ms 50288 KB Output is correct
4 Correct 40 ms 50288 KB Output is correct
5 Correct 42 ms 50544 KB Output is correct
6 Correct 42 ms 50544 KB Output is correct
7 Correct 42 ms 50544 KB Output is correct
8 Correct 1313 ms 91560 KB Output is correct
9 Correct 44 ms 49136 KB Output is correct
10 Correct 44 ms 68076 KB Output is correct
11 Correct 381 ms 91216 KB Output is correct
12 Correct 329 ms 91692 KB Output is correct
13 Correct 445 ms 92880 KB Output is correct
14 Correct 479 ms 92752 KB Output is correct
15 Correct 642 ms 92824 KB Output is correct
16 Correct 533 ms 92880 KB Output is correct
17 Correct 357 ms 92496 KB Output is correct
18 Execution timed out 3106 ms 219528 KB Time limit exceeded
19 Halted 0 ms 0 KB -