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Computer Basic Html Difficulty: Medium

Which of the below is not a valid classification of design pattern? Which function you will use to add names and addresses of different recipient for each copy of the letter? What kind of library is Standard Template Library? Advantages of linked list representation of binary trees over arrays? What is the value stored in ans[3][3] when the following code is executed? #include<stdio.h> int balanced_partition(int *arr, int len) { int sm = 0, i, j; for(i = 0;i < len; i++) sm += arr[i]; if(sm % 2 != 0) return 0; int ans[sm/2 + 1][len + 1]; for(i = 0; i <= len; i++) ans[0][i] = 1; for(i = 1; i <= sm/2; i++) ans[i][0] = 0; for(i = 1; i <= sm/2; i++) { for(j = 1;j <= len; j++) { ans[i][j] = ans[i][j-1]; if(i >= arr[j - 1]) ans[i][j] = ans[i][j] || ans[i - arr[j - 1]][j - 1]; } } return ans[sm/2][len]; } int main() { int arr[] = {3, 4, 5, 6, 7, 1}, len = 6; int ans = balanced_partition(arr,len); if(ans == 0) printf("false"); else printf("true"); return 0; }