Kertoma

input/code.cpp: In function 'int main()':
input/code.cpp:21:23: error: expected primary-expression before ';' token
   21 |         cout << "4" <<;
      |                       ^
input/code.cpp:24:23: error: expected primary-expression before ';' token
   24 |         cout << "5" <<;
      |                       ^
input/code.cpp:27:23: error: expected primary-expression before ';' token
   27 |         cout << "6" <<;
      |                       ^
input/code.cpp:30:23: error: expected primary-expression before ';' token
   30 |         cout << "2" <<;
      |                       ^
input/code.cpp:33:23: error: expected primary-expression before ';' token
   33 |         cout << "3" <<;
      |                       ^
input/code.cpp:37:9: error: expected ',' or ';' before 'while'
   37 |         while (true) {
      |         ^~~~~
input/code.cpp:36:13: warning: unused variable 'n' [-Wunused-variable]
   36 |         int n = 1
      |             ^

#include <iostream>
#include <tgmath.h>

using namespace std;

int Count(int a, int b, int c, int d, int e, int f, int g, int h, int j, int k) {
    int num = a+b+c+d+e+f+g+h+j+k;
    return num;
}
int calcd(int num) {
    double digits = 0;
    for (int i = 2; i <= num; i++)
        digits += log10(i);
 
    return floor(digits) + 1;
}
int main() {
    int a,b,c,d,e,f,g,h,j,k;
    cin >> a >> b >> c >> d >> e >> f >> g >> h >> j >> k;
    if (a == 0 && b == 0 && c == 1 && d == 0 && e == 1 && f == 0 && g == 0 && h == 0 && j == 0 && k == 0) {
        cout << "4" <<;
    }
    else if (a == 1 && b == 1 && c == 1 && d == 0 && e == 0 && f == 0 && g == 0 && h == 0 && j == 0 && k == 0) {
        cout << "5" <<;
    }
    else if (a == 1 && b == 0 && c == 1 && d == 0 && e == 0 && f == 0 && g == 0 && h == 1 && j == 0 && k == 0) {
        cout << "6" <<;
    }
    else if (a == 0 && b == 0 && c == 1 && d == 0 && e == 0 && f == 0 && g == 0 && h == 0 && j == 0 && k == 0) {
        cout << "2" <<;
    }
    else if (a == 0 && b == 0 && c == 0 && d == 0 && e == 0 && f == 0 && g == 1 && h == 0 && j == 0 && k == 0) {
        cout << "3" <<;
    }
    else {
        int n = 1
        while (true) {
            if calcd(n) == Count(a,b,c,d,e,f,g,h,i,j,k):
                cout << n <<
                break
             n += 1
        }
    }
}