Submission #884339

#	Time	Username	Problem	Language	Result	Execution time	Memory
884339		noiaint	Izvanzemaljci (COI21_izvanzemaljci)	C++17	5 / 100	19 ms	16732 KiB

izvanzemaljci

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

#define file ""

#define mp make_pair
#define fi first
#define se second
#define all(x) x.begin(), x.end()

#define bit(x) (1LL << (x))
#define getbit(x, i) (((x) >> (i)) & 1)
#define popcount __builtin_popcountll

mt19937_64 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r) {
    return l + rd() % (r - l + 1);
}

const int N = 1e6 + 5;
const int mod = (int)1e9 + 7; // 998244353;
const int lg = 25; // lg + 1
const int oo = 1e9;
const long long ooo = 1e18;

template<class X, class Y> bool mini(X &a, Y b) {
    return a > b ? (a = b, true) : false;
}
template<class X, class Y> bool maxi(X &a, Y b) {
    return a < b ? (a = b, true) : false;
}
void add(int &a, int b) {
    a += b;
    if (a >= mod) a -= mod;
    if (a < 0) a += mod;
}

int n, k;
pair<int, int> a[N];

namespace task1 {

void solve() {
    int maxx, maxy, minx, miny;
    maxx = maxy = -oo;
    minx = miny = oo;
    for (int i = 1; i <= n; ++i) {
        int x, y;
        tie(x, y) = a[i];
        maxi(maxx, x);
        maxi(maxy, y);
        mini(minx, x);
        mini(miny, y);
    }

    int w = maxx - minx;
    int h = maxy - miny;

    int l = max(w, h);
    l = max(l, 1);

    debug(w, h);

    cout << minx << ' ' << miny << ' ' << l;

}

}

namespace task2 {

int pre_min_x[N], pre_min_y[N], pre_max_x[N], pre_max_y[N];
int suf_min_x[N], suf_min_y[N], suf_max_x[N], suf_max_y[N];

array<int, 3> res[3];

void solve() {

    sort(a + 1, a + n + 1);
    for (int i = 1; i <= n; ++i) debug(a[i]);

    pre_min_x[0] = pre_min_y[0] = suf_min_x[n + 1] = suf_min_y[n + 1] = oo;
    pre_max_x[0] = pre_max_y[0] = suf_max_x[n + 1] = suf_max_y[n + 1] = -oo;

    for (int i = 1; i <= n; ++i) {
        int x, y;
        tie(x, y) = a[i];

        pre_min_x[i] = min(pre_min_x[i - 1], x);
        pre_max_x[i] = max(pre_max_x[i - 1], x);
        pre_min_y[i] = min(pre_min_y[i - 1], y);
        pre_max_y[i] = max(pre_max_y[i - 1], y);
    }
    for (int i = n; i >= 1; --i) {
        int x, y;
        tie(x, y) = a[i];

        suf_min_x[i] = min(suf_min_x[i + 1], x);
        suf_max_x[i] = max(suf_max_x[i + 1], x);
        suf_min_y[i] = min(suf_min_y[i + 1], y);
        suf_max_y[i] = max(suf_max_y[i + 1], y);
    }

    res[0][2] = res[1][2] = oo;

    for (int i = 1; i < n; ++i) {
        // first photo
        int l1 = max({1, pre_max_x[i] - pre_min_x[i], pre_max_y[i] - pre_min_y[i]});
        int x1 = pre_min_x[i];
        int y1 = pre_min_y[i];

        debug(x1, y1, l1);

        // second photo
        int l2 = max({1, suf_max_x[i + 1] - suf_min_x[i + 1], suf_max_y[i + 1] - suf_min_y[i + 1]});
        int x2 = suf_min_x[i + 1];
        int y2 = suf_min_y[i + 1];

        debug(x2, y2, l2);

        // get best
        if (max(l1, l2) < max(res[0][2], res[1][2])) {
            res[0] = {x1, y1, l1};
            res[1] = {x2, y2, l2};
        }
    }

    for (int i = 0; i < 2; ++i) {
        for (int x : res[i]) cout << x << ' ';
        cout << '\n';
    }
}

}

void process() {
    cin >> n >> k;
    for (int i = 1; i <= n; ++i) cin >> a[i].fi >> a[i].se;

    if (k == 1) {task1::solve(); return;}
    if (k == 2) {task2::solve(); return;}
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    #ifdef LOCAL
    freopen("input.txt", "r", stdin);
    #else
    // freopen(file".inp", "r", stdin);
    // freopen(file".out", "w", stdout);
    #endif

    int tc = 1;
    // cin >> tc;

    while (tc--) {
        process();
    }

    return 0;
}

/*

*/

Compilation message (stderr)

izvanzemaljci.cpp: In function 'void task1::solve()':
izvanzemaljci.cpp:8:20: warning: statement has no effect [-Wunused-value]
    8 | #define debug(...) 42
      |                    ^~
izvanzemaljci.cpp:69:5: note: in expansion of macro 'debug'
   69 |     debug(w, h);
      |     ^~~~~
izvanzemaljci.cpp: In function 'void task2::solve()':
izvanzemaljci.cpp:8:20: warning: statement has no effect [-Wunused-value]
    8 | #define debug(...) 42
      |                    ^~
izvanzemaljci.cpp:87:34: note: in expansion of macro 'debug'
   87 |     for (int i = 1; i <= n; ++i) debug(a[i]);
      |                                  ^~~~~
izvanzemaljci.cpp:8:20: warning: statement has no effect [-Wunused-value]
    8 | #define debug(...) 42
      |                    ^~
izvanzemaljci.cpp:119:9: note: in expansion of macro 'debug'
  119 |         debug(x1, y1, l1);
      |         ^~~~~
izvanzemaljci.cpp:8:20: warning: statement has no effect [-Wunused-value]
    8 | #define debug(...) 42
      |                    ^~
izvanzemaljci.cpp:126:9: note: in expansion of macro 'debug'
  126 |         debug(x2, y2, l2);
      |         ^~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 21
• Subtask 3: 0 / 12
• Subtask 4: 0 / 30
• Subtask 5: 0 / 32