24. An example : #include <iostream> #include <algorithm> #include <vector> void main() { int a; int arr[]={1,2,3,4,5,6,7}; a=mycount(&arr[0],&arr[7],7); cout<<"7 come"; cout<<""; cout<<a; cout<<"times"; cout<<"************************"; } int mycount(int *p,int *q,int b) { int a=0; while (p!=q) { if (*p++==7) { a++; } } return a; }
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28. An example : #include <iostream> #include <algorithm> #include <vector> void main() { int arr[]={1,2,3,4,5}; int brr[]={1,2,3,4,5}; int crr[]={1,2,3,4,1}; if (equal(arr,arr+5,brr)) { cout<<"ok"; } else { cout<<"not ok"; } if (equal(arr,arr+5,crr)) { cout<<"ok"; } else { cout<<"not ok"; }