oj.uz

Submission #1045554

# Submission time Handle Problem Language Result Execution time Memory
1045554 2024-08-06T05:38:33 Z javotaz Dabbeh (INOI20_dabbeh) C++17
0 / 100
 369 ms 53072 KB 
// In the Name of Allah
 
#include<bits/stdc++.h>
using namespace std;
 
#pragma GCC optimize("Ofast,unroll-loops,fast-math")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4.1,avx,avx2,sse4.2,popcnt,tune=native")
 
typedef long long ll;
 
#define F first
#define S second
#define pii pair<int, int>
#define pb push_back
#define pp pop_back
#define all(x) x.begin(), x.end()

const int N = 3e5 + 7, M = 1e4 + 7, K = 5e5 + 7;
string s, a[M];
int n, q, dp[N], c, t[K][26];

void add(int id) {
	int p = 0;
	for (int i = 0; i < a[id].size(); i++) {
		if (!t[p][a[id][i] - 'a'])
			t[p][a[id][i] - 'a'] = ++c;
		p = t[p][a[id][i] - 'a'];
	}
}

void ip() {
	cin >> n >> q;
	for (int i = 0; i < n; i++) {
		cin >> a[i];
		add(i);
	}
	cin >> s;
}

void solve() {
	while (q--) {
		int l, r;
		cin >> l >> r;
		fill(dp + l, dp + r + 1, 0);
		for (int i = r - 1; i >= l; --i) {
			dp[i] = n + 1;
			for (int j = i, p = 0; j < r && (p = t[p][s[j] - 'a']); j++)
				dp[i] = min(dp[i], 1 + dp[j + 1]);
		}
		cout << ((dp[l] > n)? -1 : dp[l]) << '\n';
	}
}

int32_t main() {
	ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	ip(), solve();
	return 0;
}

Compilation message

Main.cpp: In function 'void add(int)':
Main.cpp:24:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  for (int i = 0; i < a[id].size(); i++) {
      |                  ~~^~~~~~~~~~~~~~

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 120 ms 42320 KB Output is correct
3 Correct 183 ms 31568 KB Output is correct
4 Correct 256 ms 41552 KB Output is correct
5 Correct 278 ms 38076 KB Output is correct
6 Correct 369 ms 47888 KB Output is correct
7 Incorrect 232 ms 53072 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 19384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 120 ms 42320 KB Output is correct
3 Correct 183 ms 31568 KB Output is correct
4 Correct 256 ms 41552 KB Output is correct
5 Correct 278 ms 38076 KB Output is correct
6 Correct 369 ms 47888 KB Output is correct
7 Incorrect 232 ms 53072 KB Output isn't correct
8 Halted 0 ms 0 KB -