oj.uz

Submission #377477

# Submission time Handle Problem Language Result Execution time Memory
377477 2021-03-14T09:01:11 Z ne4eHbKa Sateliti (COCI20_satellti) C++17
50 / 110
 3000 ms 219548 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]) 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);
    memset(fst, -1, d << 2);

    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);
    memset(fst, -1, d << 2);

    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:109:59: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
  109 |         if(i) combine(a[i - 1], a[i - 1], a[i], 0, 1 << i - 1);
      |                                                         ~~^~~
Main.cpp:121:56: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
  121 |         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 42 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 39 ms 50288 KB Output is correct
5 Correct 41 ms 50544 KB Output is correct
6 Correct 41 ms 50544 KB Output is correct
7 Correct 40 ms 50544 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 42 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 39 ms 50288 KB Output is correct
5 Correct 41 ms 50544 KB Output is correct
6 Correct 41 ms 50544 KB Output is correct
7 Correct 40 ms 50544 KB Output is correct
8 Correct 1283 ms 91488 KB Output is correct
9 Correct 43 ms 49136 KB Output is correct
10 Correct 46 ms 68076 KB Output is correct
11 Correct 376 ms 91344 KB Output is correct
12 Correct 343 ms 91728 KB Output is correct
13 Correct 437 ms 92888 KB Output is correct
14 Correct 423 ms 92752 KB Output is correct
15 Correct 609 ms 93008 KB Output is correct
16 Correct 547 ms 92880 KB Output is correct
17 Correct 359 ms 92496 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 42 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 39 ms 50288 KB Output is correct
5 Correct 41 ms 50544 KB Output is correct
6 Correct 41 ms 50544 KB Output is correct
7 Correct 40 ms 50544 KB Output is correct
8 Correct 1283 ms 91488 KB Output is correct
9 Correct 43 ms 49136 KB Output is correct
10 Correct 46 ms 68076 KB Output is correct
11 Correct 376 ms 91344 KB Output is correct
12 Correct 343 ms 91728 KB Output is correct
13 Correct 437 ms 92888 KB Output is correct
14 Correct 423 ms 92752 KB Output is correct
15 Correct 609 ms 93008 KB Output is correct
16 Correct 547 ms 92880 KB Output is correct
17 Correct 359 ms 92496 KB Output is correct
18 Execution timed out 3082 ms 219548 KB Time limit exceeded
19 Halted 0 ms 0 KB -