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  1.  
  2.     #include <bits/stdc++.h>
  3.  
  4.     using namespace std;
  5.  
  6.     using ll = long long;
  7.     const int MOD = 1000000007; 
  8.     const int MOD2 =  998244353; 
  9.     const ll INF = 1e18;
  10.     const int MX = 1000001; //check the limits, dummy
  11.  
  12.  
  13.     ll modExp(ll base, ll power) {
  14.         if (power == 0) {
  15.             return 1;
  16.         } else {
  17.             ll cur = modExp(base, power / 2); cur = cur * cur; cur = cur % MOD;
  18.             if (power % 2 == 1) cur = cur * base;
  19.             cur = cur % MOD;
  20.             return cur;
  21.         }
  22.     }
  23.  
  24.     ll inv(ll base) {
  25.         return modExp(base, MOD-2);
  26.     }
  27.  
  28.  
  29.     ll mul(ll A, ll B) {
  30.         return (A*B)%MOD;
  31.     }
  32.  
  33.     ll add(ll A, ll B) {
  34.         return (A+B)%MOD;
  35.     }
  36.  
  37.     ll dvd(ll A, ll B) {
  38.         return mul(A, inv(B));
  39.     }
  40.  
  41.     ll sub(ll A, ll B) {
  42.         return (A-B+MOD)%MOD;
  43.     }
  44.  
  45.     ll* facs = new ll[MX];
  46.     ll* facInvs = new ll[MX];
  47.  
  48.     ll choose(ll a, ll b) {
  49.         if (b > a) return 0;
  50.         if (a < 0) return 0;
  51.         if (b < 0) return 0;
  52.         ll cur = facs[a];
  53.         cur = mul(cur, facInvs[b]);
  54.         cur = mul(cur, facInvs[a-b]);
  55.         return cur;
  56.     }
  57.  
  58.     void initFacs() {
  59.         facs[0] = 1; 
  60.         facInvs[0] = 1;
  61.         for (int i = 1 ; i < MX ; i ++ ) {
  62.             facs[i] = (facs[i-1] * i) % MOD;
  63.             facInvs[i] = inv(facs[i]);
  64.         }
  65.     }
  66.     int main()  {
  67.         ios_base::sync_with_stdio(0); cin.tie(0);  
  68.         int t; cin >> t;
  69.         while (t --) {
  70.             string s; cin >> s;
  71.  
  72.             vector<bool> dp(9 ,false); 
  73.             dp[0] = true;
  74.             for (char c : s) {
  75.                 int val = (c - '0');
  76.                 vector<bool> newdp(9,false);
  77.                 for (int i = 0 ; i < 9 ; i ++) {
  78.                     if (dp[i]) {
  79.                         newdp[(i + val) % 9] = true; 
  80.                         if (val == 2 || val == 3 ) {
  81.                             newdp[(i + (val * val)) % 9] = true; 
  82.                         }
  83.                     }
  84.                 }
  85.                 dp.swap(newdp); 
  86.             }
  87.             if (dp[0]) {
  88.                 cout << "YES" << endl; 
  89.             } else {
  90.                 cout << "NO" << endl;
  91.             }
  92.         }
  93.  
  94.  
  95.         return 0;
  96.     }
  97.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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9
123
322
333333333333
9997
5472778912773
1234567890
23
33
52254522632
stdout
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NO
YES
YES
NO
NO
YES
NO
YES
YES
https://ideone.com/eEmfZO
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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