Submission #383231

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
383231	2021-03-29 08:59:23	negar_a	Palindrome-Free Numbers (BOI13_numbers)	C++14	20 / 100	2 ms	512 KiB

numbers

1
2
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9
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//!yrt tsuj uoy srettam gnihton no emoc
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pb push_back
#define mp make_pair
#define pii pair <int, int>
#define fast_io ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define F first
#define S second
ll a, b, ans = 0;
ll x, y;
string A, B;
ll pw(ll x, ll y){
//  cout << x << " | " << y << endl;
  ll res = 1;
  for(ll i = 0; i < y; i ++){
    res *= x;
  }
  return res;
}
void solve_s(ll st){
  for(ll i = st - 1; i >= 0; i --){
    ll t = 9 - (A[i] - '0') - (i < x - 1 && A[i + 1] > A[i]) - (i < x - 2 && A[i + 2] > A[i] && A[i + 2] != A[i + 1]);
    ans += 1LL * t * (i == x - 1 ? 9 * pw(8, i - 1) : pw(8, i));
 
 
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Compilation message (stderr)

numbers.cpp: In function 'bool check(ll)':
numbers.cpp:73:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |  for(ll i = 1; i < s.size(); i ++){
      |                ~~^~~~~~~~~~

• Subtask 1: 0 / 25
• Subtask 2: 20 / 75