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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int              long long int
  4. #define double           long double
  5. #define print(a)         for(auto x : a) cout << x << " "; cout << endl
  6.  
  7.  
  8. const int M = 1000000007;
  9. const int N = 3e5+9;
  10. const int INF = 2e9+1;
  11. const int LINF = 2000000000000000001;
  12.  
  13. inline int power(int a, int b, int mod=M) {
  14.     int x = 1;
  15.     a %= mod;
  16.     while (b) {
  17.         if (b & 1) x = (x * a) % mod; 
  18.         a = (a * a) % mod;
  19.         b >>= 1;
  20.     }
  21.     return x;
  22. }
  23.  
  24.  
  25. //_ ***************************** START Below *******************************
  26.  
  27.  
  28.  
  29.  
  30. vector<string> a;
  31.  
  32. string consistency(int n){
  33.  
  34. 	int odds = 0;
  35. 	for(int i=0; i<n; i++){
  36. 		int even = 0;
  37. 		for(int j=0; j<a[i].size(); j++){
  38. 			int val = a[i][j];
  39. 			if( !(val & 1) ) even++; 
  40. 		}
  41. 		if(even == 0) odds++;
  42.  
  43. 	}
  44. 	if( (odds & 1)) return "odd";
  45. 	return "even";
  46.  
  47. }
  48.  
  49.  
  50.  
  51.  
  52.  
  53.  
  54.  
  55.  
  56.  
  57.  
  58.  
  59.  
  60.  
  61.  
  62.  
  63. string practice(int n){
  64.  
  65.  
  66.     return 0;
  67. }
  68.  
  69.  
  70.  
  71.  
  72.  
  73. void solve() {
  74.  
  75.     int n;
  76.     cin>> n;
  77.  
  78.     a.resize(n);
  79.     for(int i=0; i<n; i++) cin >> a[i];
  80.  
  81.     cout << consistency(n) << endl;
  82.  
  83.  
  84. }
  85.  
  86.  
  87.  
  88.  
  89.  
  90. int32_t main() {
  91.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  92.  
  93.     int t = 1;
  94.     cin >> t;
  95.     while (t--) {
  96.         solve();
  97.     }
  98.  
  99.     return 0;
  100. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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3
2
abc abcd
2
ac abcd
2
ac ac
stdout
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even
odd
even
https://ideone.com/kdir6b
language:
C++14 (gcc 8.3)
created:
3 hours ago
visibility:
public

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