답안 #58118

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
58118 2018-07-16T21:30:49 Z Benq 최솟값 배열 (IZhO11_hyper) C++14
100 / 100
484 ms 43824 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;
 
typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;

typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<cd> vcd;

template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;

#define FOR(i, a, b) for (int i=a; i<(b); i++)
#define F0R(i, a) for (int i=0; i<(a); i++)
#define FORd(i,a,b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i,a) for (int i = (a)-1; i >= 0; i--)

#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()

const int MOD = 1000000007;
const ll INF = 1e18;
const int MX = 100001;

int N,M, X[40][40][40][40];

void solve(int d) {
    if (d == 3) {
        F0R(i,N) F0R(j,N) F0R(k,N) {
            deque<pi> d;
            F0Rd(l,N) {
                while (sz(d) && d.back().f >= X[i][j][k][l]) d.pop_back();
                d.pb({X[i][j][k][l],l});
                if (l <= N-M) {
                    while (d.front().s >= l+M) d.pop_front();
                    X[i][j][k][l] = d.front().f;
                }
            }
        }
    } else if (d == 2) {
        F0R(i,N) F0R(j,N) F0R(l,N-M+1) {
            deque<pi> d;
            F0Rd(k,N) {
                while (sz(d) && d.back().f >= X[i][j][k][l]) d.pop_back();
                d.pb({X[i][j][k][l],k});
                if (k <= N-M) {
                    while (d.front().s >= k+M) d.pop_front();
                    X[i][j][k][l] = d.front().f;
                }
            }
        }
    } else if (d == 1) {
    	F0R(i,N) F0R(k,N-M+1) F0R(l,N-M+1) {
            deque<pi> d;
            F0Rd(j,N) {
                while (sz(d) && d.back().f >= X[i][j][k][l]) d.pop_back();
                d.pb({X[i][j][k][l],j});
                if (j <= N-M) {
                    while (d.front().s >= j+M) d.pop_front();
                    X[i][j][k][l] = d.front().f;
                }
            }
        }
    } else {
    	F0R(j,N-M+1) F0R(k,N-M+1) F0R(l,N-M+1) {
            deque<pi> d;
            F0Rd(i,N) {
                while (sz(d) && d.back().f >= X[i][j][k][l]) d.pop_back();
                d.pb({X[i][j][k][l],i});
                if (i <= N-M) {
                    while (d.front().s >= i+M) d.pop_front();
                    X[i][j][k][l] = d.front().f;
                }
            }
        }
    }
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> N >> M;
    F0R(i,N) F0R(j,N) F0R(k,N) F0R(l,N) cin >> X[i][j][k][l];
    F0Rd(i,4) solve(i);
    F0R(i,N-M+1) F0R(j,N-M+1) F0R(k,N-M+1) F0R(l,N-M+1) cout << X[i][j][k][l] << " ";
}

/* Look for:
* the exact constraints (multiple sets are too slow for n=10^6 :( ) 
* special cases (n=1?)
* overflow (ll vs int?)
* array bounds
*/
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 580 KB Output is correct
3 Correct 6 ms 1068 KB Output is correct
4 Correct 7 ms 1276 KB Output is correct
5 Correct 8 ms 1300 KB Output is correct
6 Correct 15 ms 2852 KB Output is correct
7 Correct 13 ms 3176 KB Output is correct
8 Correct 32 ms 5944 KB Output is correct
9 Correct 74 ms 9028 KB Output is correct
10 Correct 39 ms 9028 KB Output is correct
11 Correct 106 ms 9492 KB Output is correct
12 Correct 208 ms 11892 KB Output is correct
13 Correct 176 ms 11892 KB Output is correct
14 Correct 281 ms 16248 KB Output is correct
15 Correct 427 ms 23104 KB Output is correct
16 Correct 219 ms 23104 KB Output is correct
17 Correct 329 ms 23104 KB Output is correct
18 Correct 484 ms 25768 KB Output is correct
19 Correct 373 ms 30448 KB Output is correct
20 Correct 259 ms 43824 KB Output is correct