Submission #1111341

# Submission time Handle Problem Language Result Execution time Memory
1111341 2024-11-12T07:00:45 Z thieunguyenhuy Mosaic (IOI24_mosaic) C++17
37 / 100
1000 ms 1482836 KB
#include <bits/stdc++.h>
using namespace std;

#define popcount(n) (__builtin_popcountll((n)))
#define clz(n) (__builtin_clzll((n)))
#define ctz(n) (__builtin_ctzll((n)))
#define lg(n) (63 - __builtin_clzll((n)))
#define BIT(n, i) (((n) >> (i)) & 1ll)
#define MASK(i) (1ll << (i))
#define FLIP(n, i) ((n) ^ (1ll << (i)))
#define ON(n, i) ((n) | MASK(i))
#define OFF(n, i) ((n) & ~MASK(i))

#define Int __int128
#define fi first
#define se second

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef pair<long long, int> pli;
typedef pair<int, long long> pil;
typedef vector<pair<int, int>> vii;
typedef vector<pair<long long, long long>> vll;
typedef vector<pair<long long, int>> vli;
typedef vector<pair<int, long long>> vil;

template <class T1, class T2>
bool maximize(T1 &x, T2 y) {
    if (x < y) {
        x = y;
        return true;
    }
    return false;
}
template <class T1, class T2>
bool minimize(T1 &x, T2 y) {
    if (x > y) {
        x = y;
        return true;
    }
    return false;
}

template <class T>
void remove_duplicate(vector<T> &ve) {
    sort (ve.begin(), ve.end());
    ve.resize(unique(ve.begin(), ve.end()) - ve.begin());
}

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
template <class T> T random(T l, T r) {
    return uniform_int_distribution<T>(l, r)(rng);
}
template <class T> T random(T r) {
    return rng() % r;
}

const int N = 1e6 + 5;
const int MOD = 1e9 + 7;
const int inf = 1e9;
const long long INF = 1e18;

int n, q;
vector<int> X, Y, T, B, L, R;

namespace sub124 {
	vector<ll> solve() {
		vector<vector<int>> c(n, vector<int>(n, 0));
		for (int i = 0; i < n; ++i) c[0][i] = X[i];
		for (int i = 0; i < n; ++i) c[i][0] = Y[i];

		for (int i = 1; i < n; ++i) for (int j = 1; j < n; ++j) {
			if (i > 5 && j > 5) continue;
			if (!c[i - 1][j] && !c[i][j - 1]) {
				for (int k = 0; i + k < n && j + k < n; ++k)
					c[i + k][j + k] = 1;
			}
		}

		// for (int i = 0; i < n; ++i) {
		// 	for (int j = 0; j < n; ++j) cerr << c[i][j];
		// 	cerr << '\n';
		// }

		vector<vector<ll>> pref(n, vector<ll>(n, 0));
		for (int i = 0; i < n; ++i) for (int j = 0; j < n; ++j) {
			pref[i][j] = c[i][j];
			if (i > 0) pref[i][j] += pref[i - 1][j];
			if (j > 0) pref[i][j] += pref[i][j - 1];
			if (i > 0 && j > 0) pref[i][j] -= pref[i - 1][j - 1];
		}

		auto get = [&](int x, int y, int u, int v) {
			ll ans = pref[u][v];
			if (x > 0) ans -= pref[x - 1][v];
			if (y > 0) ans -= pref[u][y - 1];
			if (x > 0 && y > 0) ans += pref[x - 1][y - 1];
			return ans;
		};

		vector<ll> ans(q);
		for (int i = 0; i < q; ++i) {
			ans[i] = get(T[i], L[i], B[i], R[i]);
		}

		return ans;
	}
}

namespace sub3 {
	bool check() {
		for (int i = 0; i < q; ++i) if (T[i] != 0 || B[i] != 0) {
			return false;
		}
		return true;
	}

	vector<ll> solve() {
		vector<int> pref(n, 0); vector<ll> ans(q, 0); pref[0] = X[0];
		for (int i = 1; i < n; ++i) pref[i] = pref[i - 1] + X[i];
		for (int i = 0; i < q; ++i) {
			ans[i] = pref[R[i]] - (L[i] == 0 ? 0 : pref[L[i] - 1]);
		}
		return ans;
	}
}

namespace sub5 {
	bool check() {
		for (int i = 0; i < n; ++i) if (X[i] != 0 || Y[i] != 0) {
			return false;
		}
		return true;
	}

	vector<ll> solve() {
		vector<ll> ans(q, 0);

		auto countEven = [&](int l, int r) {
			return (r / 2) - ((l - 1) / 2);
		};

		for (int i = 0; i < q; ++i) {
			maximize(T[i], 1), maximize(L[i], 1);
			int evenX = countEven(T[i], B[i]), oddX = (B[i] - T[i] + 1) - evenX,
				evenY = countEven(L[i], R[i]), oddY = (R[i] - L[i] + 1) - evenY;
			ans[i] = 0ll + 1ll * evenX * evenY + 1ll * oddX * oddY;
		}
		return ans;
	}
}

vector<ll> mosaic(vector<int> _X, vector<int> _Y, vector<int> _T, vector<int> _B, vector<int> _L, vector<int> _R) {
	X = _X, Y = _Y, T = _T, B = _B, L = _L, R = _R;
	n = X.size(), q = T.size();
	if (sub3::check()) return sub3::solve();
	if (sub5::check()) return sub5::solve();
	return sub124::solve();
}

void get(vector<int> &container) {
	for (auto &x : container) cin >> x;
}

#ifdef hwe
signed main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

    int n, q; cin >> n >> q;

    vector<int> X(n, 0), Y(n, 0), T(q, 0), B(q, 0), L(q), R(q);
    
    get(X), get(Y);
    get(T), get(B);
    get(L), get(R);

   	vector<ll> ans = mosaic(X, Y, T, B, L, R);
   	for (auto &x : ans) cerr << x << ' ';
   	cerr << '\n';

    cerr << '\n'; return 0;
}
#endif
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 2 ms 848 KB Output is correct
12 Correct 1 ms 848 KB Output is correct
13 Correct 1 ms 848 KB Output is correct
14 Correct 1 ms 848 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 90 ms 16852 KB Output is correct
2 Correct 81 ms 16856 KB Output is correct
3 Correct 83 ms 16664 KB Output is correct
4 Correct 82 ms 16712 KB Output is correct
5 Correct 67 ms 14028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 2 ms 848 KB Output is correct
12 Correct 1 ms 848 KB Output is correct
13 Correct 1 ms 848 KB Output is correct
14 Correct 1 ms 848 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
18 Correct 553 ms 305388 KB Output is correct
19 Correct 549 ms 305484 KB Output is correct
20 Correct 520 ms 305480 KB Output is correct
21 Correct 522 ms 305440 KB Output is correct
22 Correct 571 ms 305480 KB Output is correct
23 Correct 129 ms 56904 KB Output is correct
24 Correct 121 ms 56904 KB Output is correct
25 Correct 118 ms 56912 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 49 ms 11344 KB Output is correct
2 Correct 94 ms 15944 KB Output is correct
3 Correct 87 ms 15948 KB Output is correct
4 Correct 86 ms 15944 KB Output is correct
5 Correct 88 ms 15944 KB Output is correct
6 Correct 91 ms 15944 KB Output is correct
7 Correct 91 ms 15944 KB Output is correct
8 Correct 90 ms 15944 KB Output is correct
9 Correct 78 ms 13640 KB Output is correct
10 Correct 74 ms 13572 KB Output is correct
11 Correct 74 ms 13640 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 1205 ms 1482836 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 90 ms 16852 KB Output is correct
2 Correct 81 ms 16856 KB Output is correct
3 Correct 83 ms 16664 KB Output is correct
4 Correct 82 ms 16712 KB Output is correct
5 Correct 67 ms 14028 KB Output is correct
6 Execution timed out 1205 ms 1482836 KB Time limit exceeded
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 2 ms 848 KB Output is correct
13 Correct 1 ms 848 KB Output is correct
14 Correct 1 ms 848 KB Output is correct
15 Correct 1 ms 848 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 504 KB Output is correct
19 Correct 90 ms 16852 KB Output is correct
20 Correct 81 ms 16856 KB Output is correct
21 Correct 83 ms 16664 KB Output is correct
22 Correct 82 ms 16712 KB Output is correct
23 Correct 67 ms 14028 KB Output is correct
24 Correct 553 ms 305388 KB Output is correct
25 Correct 549 ms 305484 KB Output is correct
26 Correct 520 ms 305480 KB Output is correct
27 Correct 522 ms 305440 KB Output is correct
28 Correct 571 ms 305480 KB Output is correct
29 Correct 129 ms 56904 KB Output is correct
30 Correct 121 ms 56904 KB Output is correct
31 Correct 118 ms 56912 KB Output is correct
32 Correct 49 ms 11344 KB Output is correct
33 Correct 94 ms 15944 KB Output is correct
34 Correct 87 ms 15948 KB Output is correct
35 Correct 86 ms 15944 KB Output is correct
36 Correct 88 ms 15944 KB Output is correct
37 Correct 91 ms 15944 KB Output is correct
38 Correct 91 ms 15944 KB Output is correct
39 Correct 90 ms 15944 KB Output is correct
40 Correct 78 ms 13640 KB Output is correct
41 Correct 74 ms 13572 KB Output is correct
42 Correct 74 ms 13640 KB Output is correct
43 Execution timed out 1205 ms 1482836 KB Time limit exceeded
44 Halted 0 ms 0 KB -