oj.uz

Submission #635687

# Submission time Handle Problem Language Result Execution time Memory
635687 2022-08-26T16:23:32 Z ghostwriter Palindromi (COCI22_palindromi) C++14
30 / 110
 44 ms 10656 KB 
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <debug.h>
#endif
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define lb lower_bound
#define ub upper_bound
#define mtp make_tuple
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
typedef long long ll; typedef unsigned long long ull;
typedef double db; typedef long double ldb;
typedef pair<int, int> pi; typedef pair<ll, ll> pll;
typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll;
typedef string str;
template<typename T> T gcd(T a, T b) { return (b == 0? a : gcd(b, a % b)); }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
#define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
#define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
#define EACH(i, x) for (auto &(i) : (x))
#define WHILE while
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
/*
    Tran The Bao
    CTL - Da Lat
    Cay ngay cay dem nhung deo duoc cong nhan
*/
const pi M = {1e9 + 7, 1e9 + 9};
const pi base = {37, 127};
const int N = 1e5 + 5;
int n;
pi P[N];
str s;
pi q[N];
namespace subtask12 {
	int p[N];
	str a1[N];
	set<pi> a2[N];
	int getp(int i) { return i == p[i]? i : p[i] = getp(p[i]); }
	int join(int x, int y) {
		x = getp(x);
		y = getp(y);
		if (sz(a2[x]) < sz(a2[y])) swap(a2[x], a2[y]);
		EACH(i, a2[y]) a2[x].insert(i);
		int m1 = sz(a1[x]);
		int m2 = sz(a1[y]);
		vpi h(m1 + m2 + 2), h1(m1 + m2 + 2);
		a1[x] += a1[y];
		auto get = [&](int l, int r) -> pi {
			pi rs;
			rs.st = (h[r].st - 1LL * (l == 0? 0 : h[l - 1].st) * P[r - l + 1].st % M.st + M.st) % M.st;
			rs.nd = (h[r].nd - 1LL * (l == 0? 0 : h[l - 1].nd) * P[r - l + 1].nd % M.nd + M.nd) % M.nd;
			return rs;
		};
		auto get1 = [&](int l, int r) -> pi {
			pi rs;
			rs.st = (h1[l].st - 1LL * h1[r + 1].st * P[r - l + 1].st % M.st + M.st) % M.st;
			rs.nd = (h1[l].nd - 1LL * h1[r + 1].nd * P[r - l + 1].nd % M.nd + M.nd) % M.nd;
			return rs;
		};
		pi cur = {0, 0};
		FOR(i, 0, m1 + m2 - 1) {
			cur.st = (1LL * cur.st * base.st % M.st + a1[x][i] - '0' + 1) % M.st;
			cur.nd = (1LL * cur.nd * base.nd % M.nd + a1[x][i] - '0' + 1) % M.nd;
			h[i] = cur;
		}
		cur = {0, 0};
		FOS(i, m1 + m2 - 1, 0) {
			cur.st = (1LL * cur.st * base.st % M.st + a1[x][i] - '0' + 1) % M.st;
			cur.nd = (1LL * cur.nd * base.nd % M.nd + a1[x][i] - '0' + 1) % M.nd;
			h1[i] = cur;
		}
		FOR(i, 0, m1 - 1)
		FOR(j, m1, m1 + m2 - 1) {
			pi tmp = get(i, j);
			if (tmp == get1(i, j)) a2[x].insert(tmp);
		}
		p[y] = x;
		return sz(a2[x]);
	}
	void solve() {
		FOR(i, 1, n) {
			p[i] = i;
			a1[i].pb(s[i]);
			a2[i].insert({s[i] - '0' + 1, s[i] - '0' + 1});
		}
		FOR(i, 1, n - 1) {
			int a = q[i].st, b = q[i].nd;
			cout << join(a, b) << '\n';
		}
	}
}
namespace subtask3 {
	pi h[N];
	int sa[N];
	void solve() {
	}
}
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    // freopen(file".inp", "r", stdin);
    // freopen(file".out", "w", stdout);
    cin >> n >> s;
    P[0] = {1, 1};
    FOR(i, 1, n) {
    	P[i].st = 1LL * P[i - 1].st * base.st % M.st;
    	P[i].nd = 1LL * P[i - 1].nd * base.nd % M.nd;
    }
    s = "#" + s + "#";
    FOR(i, 1, n - 1) cin >> q[i].st >> q[i].nd;
    if (n <= 1000) {
    	subtask12::solve();
    	return 0;
    }
    subtask3::solve();
    return 0;
}
/*
3
010
1 2
2 3
*/

Compilation message

Main.cpp: In function 'int subtask12::join(int, int)':
Main.cpp:26:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   26 | #define EACH(i, x) for (auto &(i) : (x))
      |                               ^
Main.cpp:52:3: note: in expansion of macro 'EACH'
   52 |   EACH(i, a2[y]) a2[x].insert(i);
      |   ^~~~
Main.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:70:3: note: in expansion of macro 'FOR'
   70 |   FOR(i, 0, m1 + m2 - 1) {
      |   ^~~
Main.cpp:25:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   25 | #define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
      |                               ^
Main.cpp:76:3: note: in expansion of macro 'FOS'
   76 |   FOS(i, m1 + m2 - 1, 0) {
      |   ^~~
Main.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:81:3: note: in expansion of macro 'FOR'
   81 |   FOR(i, 0, m1 - 1)
      |   ^~~
Main.cpp:24:31: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:82:3: note: in expansion of macro 'FOR'
   82 |   FOR(j, m1, m1 + m2 - 1) {
      |   ^~~
Main.cpp: In function 'void subtask12::solve()':
Main.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:90:3: note: in expansion of macro 'FOR'
   90 |   FOR(i, 1, n) {
      |   ^~~
Main.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:95:3: note: in expansion of macro 'FOR'
   95 |   FOR(i, 1, n - 1) {
      |   ^~~
Main.cpp: In function 'int main()':
Main.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:113:5: note: in expansion of macro 'FOR'
  113 |     FOR(i, 1, n) {
      |     ^~~
Main.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:118:5: note: in expansion of macro 'FOR'
  118 |     FOR(i, 1, n - 1) cin >> q[i].st >> q[i].nd;
      |     ^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8148 KB Output is correct
2 Correct 5 ms 8148 KB Output is correct
3 Correct 5 ms 8148 KB Output is correct
4 Correct 5 ms 8148 KB Output is correct
5 Correct 4 ms 8148 KB Output is correct
6 Correct 5 ms 8112 KB Output is correct
7 Correct 4 ms 8148 KB Output is correct
8 Correct 5 ms 8176 KB Output is correct
9 Correct 5 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Correct 4 ms 8148 KB Output is correct
12 Correct 4 ms 8180 KB Output is correct
13 Correct 4 ms 8148 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8148 KB Output is correct
2 Correct 5 ms 8148 KB Output is correct
3 Correct 5 ms 8148 KB Output is correct
4 Correct 5 ms 8148 KB Output is correct
5 Correct 4 ms 8148 KB Output is correct
6 Correct 5 ms 8112 KB Output is correct
7 Correct 4 ms 8148 KB Output is correct
8 Correct 5 ms 8176 KB Output is correct
9 Correct 5 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Correct 4 ms 8148 KB Output is correct
12 Correct 4 ms 8180 KB Output is correct
13 Correct 4 ms 8148 KB Output is correct
14 Correct 4 ms 8148 KB Output is correct
15 Correct 38 ms 8432 KB Output is correct
16 Correct 12 ms 8432 KB Output is correct
17 Correct 37 ms 8404 KB Output is correct
18 Correct 14 ms 8404 KB Output is correct
19 Correct 44 ms 8596 KB Output is correct
20 Correct 21 ms 8668 KB Output is correct
21 Correct 39 ms 8340 KB Output is correct
22 Correct 23 ms 8276 KB Output is correct
23 Correct 42 ms 8716 KB Output is correct
24 Correct 23 ms 8720 KB Output is correct
25 Correct 26 ms 8460 KB Output is correct
26 Correct 10 ms 8276 KB Output is correct

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 10656 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8148 KB Output is correct
2 Correct 5 ms 8148 KB Output is correct
3 Correct 5 ms 8148 KB Output is correct
4 Correct 5 ms 8148 KB Output is correct
5 Correct 4 ms 8148 KB Output is correct
6 Correct 5 ms 8112 KB Output is correct
7 Correct 4 ms 8148 KB Output is correct
8 Correct 5 ms 8176 KB Output is correct
9 Correct 5 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Correct 4 ms 8148 KB Output is correct
12 Correct 4 ms 8180 KB Output is correct
13 Correct 4 ms 8148 KB Output is correct
14 Correct 4 ms 8148 KB Output is correct
15 Correct 38 ms 8432 KB Output is correct
16 Correct 12 ms 8432 KB Output is correct
17 Correct 37 ms 8404 KB Output is correct
18 Correct 14 ms 8404 KB Output is correct
19 Correct 44 ms 8596 KB Output is correct
20 Correct 21 ms 8668 KB Output is correct
21 Correct 39 ms 8340 KB Output is correct
22 Correct 23 ms 8276 KB Output is correct
23 Correct 42 ms 8716 KB Output is correct
24 Correct 23 ms 8720 KB Output is correct
25 Correct 26 ms 8460 KB Output is correct
26 Correct 10 ms 8276 KB Output is correct
27 Incorrect 19 ms 10656 KB Output isn't correct
28 Halted 0 ms 0 KB -