404 Not Found #include <cstdio> inline int isprime(int n){ for(int i = 2; i <= n / 2; i++){ if(!(n % i)) return 0; } return 1; } int main() { int n; while(~scanf("%d\n", &n)){ for(int i = n - 1; 0 <= i; i--){ if(isprime(i)){ printf("%d ", i); brea</cstdio>…

404 Not Found #include <iostream> #include <string> #include <algorithm> using namespace std; int main() { string s, t; int cnt = 0; while(cin>>s){ t = s; reverse(t.begin(), t.end()); cnt += s == t; } cout<</algorithm></string></iostream>