#include <bits/stdc++.h> using namespace std; unordered_map<int,int>dp; int f(int x){ if(x <= 9){ dp[x] = x; return x; } else if(dp.find(x) != dp.end()){ return dp[x]; } else{ int y = 1; while(x){ y *= (x%10); x /= 10; } dp[x] = f(y); return dp[x]; } } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int t; cin >> t; while(t--){ int n; cin >> n; vector<int>tab(10); int pt = 1; while(n--){ tab[f(pt)]++; ++pt; } for(int i = 0; i < 10; ++i){ cout << tab[i] << " "; } cout << endl; } }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | #include <bits/stdc++.h> using namespace std; unordered_map<int,int>dp; int f(int x){ if(x <= 9){ dp[x] = x; return x; } else if(dp.find(x) != dp.end()){ return dp[x]; } else{ int y = 1; while(x){ y *= (x%10); x /= 10; } dp[x] = f(y); return dp[x]; } } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int t; cin >> t; while(t--){ int n; cin >> n; vector<int>tab(10); int pt = 1; while(n--){ tab[f(pt)]++; ++pt; } for(int i = 0; i < 10; ++i){ cout << tab[i] << " "; } cout << endl; } } |