#include <iostream> #include <vector> #include <numeric> #include <algorithm> #include <cmath> using namespace std; typedef long long int LL; using namespace std; const int DIGS = 10; int t, n, maxN; vector<int> nums; vector<vector<int>> counts, countsSum; int multDigits(int num) { int res = 1; while (num > 1) { int dig = num % 10; res *= dig; num /= 10; } return res; } int lastDigAfterMult(int num) { while (num >= 10) { num = multDigits(num); } return num; } void preprocess() { counts = vector<vector<int>>(maxN + 1, vector<int>(DIGS)); for (int i = 1; i <= maxN; ++i) { int lastDig = lastDigAfterMult(i); ++counts[i][lastDig]; } for (int i = 2; i <= maxN; ++i) { for (int j = 0; j < DIGS; ++j) { counts[i][j] += counts[i - 1][j]; } } } int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cin >> t; while (t--) { cin >> n; if (n > maxN) { maxN = n; } nums.push_back(n); } preprocess(); for (int x : nums) { for (int i = 0; i < DIGS; ++i) { cout << counts[x][i] << ' '; } cout << endl; } return 0; }
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 | #include <iostream> #include <vector> #include <numeric> #include <algorithm> #include <cmath> using namespace std; typedef long long int LL; using namespace std; const int DIGS = 10; int t, n, maxN; vector<int> nums; vector<vector<int>> counts, countsSum; int multDigits(int num) { int res = 1; while (num > 1) { int dig = num % 10; res *= dig; num /= 10; } return res; } int lastDigAfterMult(int num) { while (num >= 10) { num = multDigits(num); } return num; } void preprocess() { counts = vector<vector<int>>(maxN + 1, vector<int>(DIGS)); for (int i = 1; i <= maxN; ++i) { int lastDig = lastDigAfterMult(i); ++counts[i][lastDig]; } for (int i = 2; i <= maxN; ++i) { for (int j = 0; j < DIGS; ++j) { counts[i][j] += counts[i - 1][j]; } } } int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cin >> t; while (t--) { cin >> n; if (n > maxN) { maxN = n; } nums.push_back(n); } preprocess(); for (int x : nums) { for (int i = 0; i < DIGS; ++i) { cout << counts[x][i] << ' '; } cout << endl; } return 0; } |