1 #include 
     
       2 #include
      
        3 #include 
       
         4 #include 
        
          5 void main() 6 { 7    int i,j,k,count; 8    char   s1[100],s2[100]; 9    printf("Please enter main string:");10    gets(s1);11    printf("enter  sub  string:");12    gets(s2);13    count=0;14 for(i=0;s1[i]!='\0';i++)15 {16     for(k=0,j=0;(s1[j]==s2[k])&&(s1[j]!='\0');j++,k++);17     if(s2[k]=='\0') 18         count++;19 }20 printf("\ncount=%d\n",count);21 }22 //--------------23 #include
         
          24 using namespace std;25 double fun(double x,int n)26 {27     double m1=1,sum=1;28     for(int i=1;i<=n;i++)29     if(i%2==1)30     {31         for(int j=2*i;j>0;j--)32     m1*=x/j;33     sum+=-m1;34     }35     else36     {    37         for(int j=2*i;j>0;j--)38     m1*=x/j;39     sum+=m1;40     }41     return sum;42 }43 int main()44 {45     int x,n;46     cout<<"Please input x:"<
          
           >x;48 cout<<"Please input n:"<
           
            >n;50 cout<
            
             <