помогите исправить по С++
#include
#include
#include
#include
#include
using namespace std;
int main(){
srand(time(NULL));
FILE* fp = fopen("F.txt", "a+");
int K, num, sum_1 = 0, sum_2 = 0;
cout << "Vvedite razmerenost'/n";
cin>>K;
char *string = new char[K];
for(int i = 0; i < 100; i++){
num = rand() % K;
if(num + 1) sum_1 += num;
else sum_2 += num;
string = (num);
for(int j = 0; j < strlen(string); j++)
putc(string, fp);
putc(' ', fp);
}
cout << "Summa 4etnih 4isel: " << sum_2;
cout << "\nSumma ne4etnih 4isel: " << sum_1;
fclose(fp);
getch();
return 0;
}