Submission #880425

#TimeUsernameProblemLanguageResultExecution timeMemory
880425amin_2008Palindromes (info1cup18_palindromes)C++17
0 / 100
38 ms5972 KiB
#pragma GCC optimize ("O3") #pragma GCC optimize("O3,unroll-loops") #pragma GCC target("avx,avx2,fma") #include <bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> // author: amin_2008 #define ios ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0) #define ll long long #define vi vector<int> #define vs vector<string> #define vb vector<bool> #define vc vector<char> #define vl vector<ll> #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define pb push_back #define bpc __builtin_popcount #define pii pair<int, int> #define pll pair<ll, ll> #define piii pair<pii, int> #define vpii vector<pii> #define vpll vector<pll> #define vvpii vector<vpii> #define vvi vector<vector<int>> #define vvl vector<vector<ll>> #define ins insert #define ts to_string #define sz(x) (int)(x).size() #define mp make_pair #define F first #define S second #define lb lower_bound #define ub upper_bound #define ld long double #define ull unsigned long long #define endl '\n' //#define int ll using namespace std; using namespace __gnu_pbds; using namespace __cxx11; template<class T> using ordered_set = tree<T, null_type,less<T>, rb_tree_tag,tree_order_statistics_node_update>; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const int inf = 1e18; const int mod = 1e9+7; const int sz = 5e5+5; const int N = 500500; const int logg = 18; const int P = 40000005; const int M = 5e5+5; int a[sz]; bool ispolindrome(int n) { string s = ts(n); string a = s; reverse(all(a)); return s == a; } void solve() { int n; cin >> n; int sum = 0; for(int i = 0; i < n; i++) { cin >> a[i]; if ( ispolindrome(a[i]) ) sum += a[i]; } cout << sum << endl; } signed main() { ios; //precompute(); int t = 1; //cin >> t; while(t--){ solve(); } }

Compilation message (stderr)

palindromes.cpp:49:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   49 | const int inf = 1e18;
      |                 ^~~~
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