oj.uz

Submission #678277

# Submission time Handle Problem Language Result Execution time Memory
678277 2023-01-05T11:33:31 Z Mher777 Palindromes (info1cup18_palindromes) C++17
100 / 100
 143 ms 10024 KB 
//////////////////////////////// Mher777
/* -------------------- Includes -------------------- */
#include <iostream>
#include <iomanip>
#include <array>
#include <string>
#include <algorithm>
#include <cmath>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <bitset>
#include <list>
#include <iterator>
#include <numeric>
#include <complex>
#include <utility>
#include <random>
#include <fstream>
using namespace std;

/* -------------------- Typedefs -------------------- */

typedef int itn;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef float fl;
typedef double db;

/* -------------------- Usings -------------------- */

using vi = vector<int>;
using vll = vector<ll>;
using mii = map<int, int>;
using mll = map<ll, ll>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

/* -------------------- Defines -------------------- */

#define ff first
#define ss second
#define pub push_back
#define pob pop_back
#define puf push_front
#define pof pop_front
#define mpr make_pair
#define yes cout<<"YES\n"
#define no cout<<"NO\n"
#define all(x) (x).begin(), (x).end()

/* -------------------- Constants -------------------- */

const int MAX = int(1e9 + 5);
const ll MAXL = ll(1e18 + 5);
const ll MOD = ll(1e9 + 7);
const ll MOD2 = ll(998244353);

/* -------------------- Functions -------------------- */

void fastio() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	return;
}

void precision(int x) {
	cout.setf(ios::fixed | ios::showpoint);
	cout.precision(x);
	return;
}

ll gcd(ll a, ll b) {
	while (b) {
		a %= b;
		swap(a, b);
	}
	return a;
}

ll lcm(ll a, ll b) {
	return a / gcd(a, b) * b;
}

ll range_sum(ll a, ll b) {
	ll dif = a - 1, cnt = b - a + 1;
	ll ans = ((b - a + 1) * (b - a + 2)) / 2;
	ans += ((b - a + 1) * dif);
	return ans;
}

string to2(ll a)
{
	string s = "";
	for (ll i = a; i > 0; ) {
		ll k = i % 2;
		i /= 2;
		char c = k + 48;
		s += c;
	}
	if (a == 0) {
		s = "0";
	}
	reverse(all(s));
	return s;
}

bool isPrime(ll a) {
	if (a == 1) {
		return false;
	}
	for (ll i = 2; i * i <= a; i++) {
		if (a % i == 0) {
			return false;
		}
	}
	return true;
}

int dig_sum(ll a) {
	int sum = 0;
	while (a) {
		sum += int(a % 10);
		a /= 10;
	}
	return sum;
}

ll binpow(ll a, int b) {
	ll ans = 1;
	while (b) {
		if ((b & 1) == 1) {
			ans *= a;
		}
		b >>= 1;
		a *= a;
	}
	return ans;
}

ll binpow_by_mod(ll a, ll b, ll mod) {
	ll ans = 1;
	while (b) {
		if ((b & 1) == 1) {
			ans *= a;
			ans %= mod;
		}
		b >>= 1;
		a *= a;
		a %= mod;
	}
	return ans;
}

ll factorial(int a) {
	ll ans = 1;
	for (int i = 2; i <= a; i++) {
		ans *= ll(i);
	}
	return ans;
}

ll factorial_by_mod(int a, ll mod) {
	ll ans = 1;
	for (int i = 2; i <= a; i++) {
		ans *= ll(i);
		ans %= mod;
	}
	return ans;
}

/* -------------------- Solution -------------------- */

void slv() {
	int n;
	cin >> n;
	ll ans = 0;
	for (int i = 0; i < n; i++) {
		ll x;
		cin >> x;
		string s = to_string(x);
		string s1 = s;
		reverse(all(s1));
		if (s1 == s) ans += x;
	}
	cout << ans;
}

void cs() {
	int tstc = 1;
	//cin >> tstc;
	while (tstc--) {
		slv();
	}
}

void precalc() {
	return;
}

int main() {
	fastio();
	precalc();
	//usaco();
	//precision(3);
	cs();
	return 0;
}

Compilation message

palindromes.cpp: In function 'll range_sum(ll, ll)':
palindromes.cpp:93:18: warning: unused variable 'cnt' [-Wunused-variable]
   93 |  ll dif = a - 1, cnt = b - a + 1;
      |                  ^~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 68 ms 5068 KB Output is correct
4 Correct 103 ms 7464 KB Output is correct
5 Correct 133 ms 9912 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 36 ms 1752 KB Output is correct
4 Correct 69 ms 3104 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 36 ms 1752 KB Output is correct
4 Correct 69 ms 3104 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 72 ms 3276 KB Output is correct
8 Correct 89 ms 4004 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 68 ms 5068 KB Output is correct
4 Correct 103 ms 7464 KB Output is correct
5 Correct 133 ms 9912 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 36 ms 1752 KB Output is correct
9 Correct 69 ms 3104 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 72 ms 3276 KB Output is correct
13 Correct 89 ms 4004 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 5 ms 560 KB Output is correct
16 Correct 57 ms 4128 KB Output is correct
17 Correct 124 ms 8988 KB Output is correct
18 Correct 143 ms 10024 KB Output is correct
19 Correct 138 ms 9936 KB Output is correct
20 Correct 138 ms 9900 KB Output is correct