#include <bits/stdc++.h> using namespace std; using _ll = long long; #define int _ll #define loop(i, a, b) for(int i = a; i <= b; i++) #define loop_rev(i, a, b) for(int i = a; i >= b; i--) #define all(x) x.begin(), x.end() #define sz(x) int(x.size()) #define eb emplace_back #define pb push_back unordered_map<int, int> f_res; constexpr int PROD_FUN_PREP = 100'000; array<int, PROD_FUN_PREP + 1> prod_fun_res; inline int util(int x) { int res = 1; do { res *= x % 10; x /= 10; } while(x); return res; } inline int prod_fun(int x) { if(x <= PROD_FUN_PREP) { return prod_fun_res[x]; } else { return util(x); } } int f(int x) { int& w = f_res[x]; if(w) return (w - 1); if(x < 10) { w = (x + 1); return w - 1; } w = (f(prod_fun(x)) + 1); return w - 1; } array<vector<tuple<int, int, array<int, 10>>>, 20> at_len; int max_len; array<int, 10> cnt; constexpr int inf = 1e18; void rec(int len, int prod, int curr_dig) { if(len > max_len || prod > inf) return; if(int f_val = f(prod); f_val != 0) { at_len[len].pb({ f_val, 1, cnt }); } loop(new_dig, curr_dig, 9) { ++cnt[new_dig]; rec(len + 1, prod * new_dig, new_dig); --cnt[new_dig]; } } vector<vector<int>> psum; vector<int> fact; void solve(); signed main() { cin.tie(0)->sync_with_stdio(0); max_len = (1 + log10(1'000'000'000LL * 1'000'000'000LL)); psum.resize(max_len + 1, vector<int>(10)); fact.resize(max_len + 1, 1); loop(i, 1, PROD_FUN_PREP) { prod_fun_res[i] = util(i); } loop(digit, 1, 9) { ++cnt[digit]; rec(1, digit, digit); --cnt[digit]; } loop(i, 1, max_len) { fact[i] = fact[i - 1] * i; } loop(len, 1, max_len) { loop(d, 1, 9) { psum[len][d] = psum[len - 1][d]; } for(auto& [ f_val, newton, cnt_arr ] : at_len[len]) { int res = fact[len]; loop(i, 1, 9) { res /= fact[cnt_arr[i]]; } psum[len][f_val] += res; newton = res; } } int t; cin >> t; while(t--) { solve(); } } void solve() { int n; cin >> n; int len = 0; { int k = n; while(k) { k /= 10; ++len; } } vector<int> res(10); loop(d, 0, 9) { res[d] += psum[len - 1][d]; } string numstr = to_string(n); vector<int> num(len); loop(i, 0, len - 1) { num[i] = numstr[i] - '0'; } for(auto [ f_val, newton, cnt_arr ] : at_len[len]) { int fine_at = (-1); loop(i, 0, len - 1) { loop(d, 1, num[i] - 1) { if(!cnt_arr[d]) continue; res[f_val] += newton * cnt_arr[d] / (len - i); } if(!cnt_arr[num[i]]) { break; } newton = newton * cnt_arr[num[i]] / (len - i); --cnt_arr[num[i]]; ++fine_at; } if(fine_at == len-1) { ++res[f_val]; // equal n } } int sum = 0; loop(i, 1, 9) { sum += res[i]; } res[0] = n - sum; loop(i, 0, 9) { cout << res[i] << ' '; } cout << '\n'; }
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 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | #include <bits/stdc++.h> using namespace std; using _ll = long long; #define int _ll #define loop(i, a, b) for(int i = a; i <= b; i++) #define loop_rev(i, a, b) for(int i = a; i >= b; i--) #define all(x) x.begin(), x.end() #define sz(x) int(x.size()) #define eb emplace_back #define pb push_back unordered_map<int, int> f_res; constexpr int PROD_FUN_PREP = 100'000; array<int, PROD_FUN_PREP + 1> prod_fun_res; inline int util(int x) { int res = 1; do { res *= x % 10; x /= 10; } while(x); return res; } inline int prod_fun(int x) { if(x <= PROD_FUN_PREP) { return prod_fun_res[x]; } else { return util(x); } } int f(int x) { int& w = f_res[x]; if(w) return (w - 1); if(x < 10) { w = (x + 1); return w - 1; } w = (f(prod_fun(x)) + 1); return w - 1; } array<vector<tuple<int, int, array<int, 10>>>, 20> at_len; int max_len; array<int, 10> cnt; constexpr int inf = 1e18; void rec(int len, int prod, int curr_dig) { if(len > max_len || prod > inf) return; if(int f_val = f(prod); f_val != 0) { at_len[len].pb({ f_val, 1, cnt }); } loop(new_dig, curr_dig, 9) { ++cnt[new_dig]; rec(len + 1, prod * new_dig, new_dig); --cnt[new_dig]; } } vector<vector<int>> psum; vector<int> fact; void solve(); signed main() { cin.tie(0)->sync_with_stdio(0); max_len = (1 + log10(1'000'000'000LL * 1'000'000'000LL)); psum.resize(max_len + 1, vector<int>(10)); fact.resize(max_len + 1, 1); loop(i, 1, PROD_FUN_PREP) { prod_fun_res[i] = util(i); } loop(digit, 1, 9) { ++cnt[digit]; rec(1, digit, digit); --cnt[digit]; } loop(i, 1, max_len) { fact[i] = fact[i - 1] * i; } loop(len, 1, max_len) { loop(d, 1, 9) { psum[len][d] = psum[len - 1][d]; } for(auto& [ f_val, newton, cnt_arr ] : at_len[len]) { int res = fact[len]; loop(i, 1, 9) { res /= fact[cnt_arr[i]]; } psum[len][f_val] += res; newton = res; } } int t; cin >> t; while(t--) { solve(); } } void solve() { int n; cin >> n; int len = 0; { int k = n; while(k) { k /= 10; ++len; } } vector<int> res(10); loop(d, 0, 9) { res[d] += psum[len - 1][d]; } string numstr = to_string(n); vector<int> num(len); loop(i, 0, len - 1) { num[i] = numstr[i] - '0'; } for(auto [ f_val, newton, cnt_arr ] : at_len[len]) { int fine_at = (-1); loop(i, 0, len - 1) { loop(d, 1, num[i] - 1) { if(!cnt_arr[d]) continue; res[f_val] += newton * cnt_arr[d] / (len - i); } if(!cnt_arr[num[i]]) { break; } newton = newton * cnt_arr[num[i]] / (len - i); --cnt_arr[num[i]]; ++fine_at; } if(fine_at == len-1) { ++res[f_val]; // equal n } } int sum = 0; loop(i, 1, 9) { sum += res[i]; } res[0] = n - sum; loop(i, 0, 9) { cout << res[i] << ' '; } cout << '\n'; } |