func_code_string: #include <bits/stdc++.h>   using namespace std;   int k;   int values[107];   int n = 0;   int ans[107][107];   int cmb[107];   int main() {     int i, j, base;     cin >> k;     for (i = 3; i <= 100; i++) values[i] = i * (i - 1) * (i - 2) / 6;     for (i = 2; i <= 100; i++) cmb[i] = i * (i - 1) / 2;     i = 3;     while (values[i] < k) i++;     if (values[i] > k) i--;     k -= values[i];     n = i;     for (i = 1; i <= n; i++)       for (j = 1; j <= n; j++)         if (i != j) ans[i][j] = 1;     while (k) {       for (i = 2; cmb[i] < k; i++)         ;       if (cmb[i] > k) i--;       k -= cmb[i];       n++;       for (j = 1; j <= i; j++) ans[n][j] = ans[j][n] = 1;     }     cout << n <<   n ;     for (i = 1; i <= n; i++) {       for (j = 1; j <= n; j++) cout << ans[i][j];       cout <<   n ;     }     return 0;   }   