func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<vector<long long> > matmul(vector<vector<long long> > &a,                                     vector<vector<long long> > &b) {     int i, j, k, n = a.size();     vector<vector<long long> > ans(n, vector<long long>(n));     for (i = 0; i < n; i++)       for (j = 0; j < n; j++) {         long long temp = 0;         for (k = 0; k < n; k++)           temp = (temp + a[i][k] * b[k][j]) % (1000000007LL);         ans[i][j] = temp;       }     return ans;   }   vector<vector<long long> > matpwr(vector<vector<long long> > &a, long long p) {     int n = a.size();     vector<vector<long long> > ans(n, vector<long long>(n));     for (int i = 0; i < n; i++) ans[i][i] = 1;     while (p) {       if (p & 1) ans = matmul(ans, a);       a = matmul(a, a);       p >>= 1;     }     return ans;   }   long long pwr(long long base, long long p, long long mod = (1000000007LL)) {     long long ans = 1;     while (p) {       if (p & 1) ans = (ans * base) % mod;       base = (base * base) % mod;       p /= 2;     }     return ans;   }   long long gcd(long long a, long long b) {     if (b == 0) return a;     return gcd(b, a % b);   }   long long lcm(long long a, long long b) { return (a * b) / gcd(a, b); }   long long invMod(long long n, long long mod = (1000000007LL)) {     return pwr(n, mod - 2);   }   int n, arr[2000003];   int main() {     ios_base::sync_with_stdio(0);     cin >> n;     for (int i = 1; i <= n; i++) arr[i] = i;     int start = 1;     for (int iter = 2; iter <= n; iter++) {       int last = arr[start];       for (int j = start + iter; j < start + n; j += iter) {         int temp = last;         last = arr[j];         arr[j] = temp;       }       arr[start + n] = last;       start++;     }     for (int i = start; i < start + n; i++) cout << arr[i] <<    ;     return 0;   }   