Submission #1198762

#	Time	Username	Problem	Language	Result	Execution time	Memory
1198762		THXuan	Palindromic FizzBuzz (NOI19_palindrome)	C++20	100 / 100	17 ms	1864 KiB

palindrome

#include <iostream>
#include <vector>
#include <algorithm>
#include <cstring>
#include <string>
#include <array>
#include <cmath>
#include <stack>
#include <queue>
#include <map>
#include <set>
#define INF 1e9
using namespace std;
typedef long long ll;
const ll MOD = 1000000007;
const ll MAXN = 100005;

struct point {
	int x, y;
	point(int _x = INF, int _y = INF) : x(_x), y(_y) {}
};

int f(point function, int x) {
	if (function.x == INF) return INF;
	return function.x * x + function.y;
}

struct LiChao {
	vector<point> t;
	int n;
	LiChao(int _n) {
		n = _n;
		t.resize(n * 4);
	}
	int query(int v, int l, int r, int x) {
		int mid = (l + r) / 2;
		if (l == r) return f(t[v], x);
		if (x <= mid) return min(f(t[v], x), query(v * 2 + 1, l, mid, x));
		else return min(f(t[v], x), query(v * 2 + 2, mid + 1, r, x));
	}
	void update(int v, int l, int r, point val) {
		int mid = (l + r) / 2;
		bool lef = f(val, l) < f(t[v], l);
		bool md = f(val, mid) < f(t[v], mid);
		if (md) swap(t[v], val);
		if (l == r) return;
		if (lef != md) update(v * 2 + 1, l, mid, val);
		else update(v * 2 + 2, mid + 1, r, val);
	}
	int query(int point) {
		return query(0, 0, n - 1, point);
	}
	void update(point val) {
		update(0, 0, n - 1, val);
	}
};

bool prime(ll n) {
	if (n < 2) return false;
	for (ll x = 2; x * x <= n; x++) {
		if (n % x == 0) return false;
	}
	return true; 
}

void solve()
{
	ll s, e; cin >> s >> e;
	for (ll i = s; i <= e; i++) {
		string x = to_string(i);
		string y = x;
		reverse(y.begin(), y.end());
		if (x == y) { cout << "Palindrome!" << "\n"; }
		else cout << i << "\n";
	}
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int t = 1; //cin >> t;
	while (t--) solve();
	return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 14 / 14
• Subtask 4: 8 / 8
• Subtask 5: 9 / 9
• Subtask 6: 20 / 20
• Subtask 7: 31 / 31