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Programming in C. Recursion.
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1 votes
1 answer
5182
time complexity
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1 votes
2 answers
5184
Implementing Queue with only one pointer
Which of the following statement is/are correct? 1. If we use only Front pointer in queue, then insertion takes O(n) time while deletion in O(1) time. 2. If we use only Rear pointer in queue, then insertion is O(1) and deletion is not possible.
Which of the following statement is/are correct?1. If we use only Front pointer in queue, then insertion takes O(n) time while deletion in O(1) time.2. If we use only Rea...
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1 votes
1 answer
5185
Meaning of declaration.
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16 votes
3 answers
5186
Find address of element in 3d array
A is an array $[2.....6, 2.....8, 2.......10]$ of elements. The starting location is $500$. The location of an element $A(5, 5, 5)$ using column major order is __________.
A is an array $[2.....6, 2.....8, 2.......10]$ of elements. The starting location is $500$. The location of an element $A(5, 5, 5)$ using column major order is __________...
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1 votes
0 answers
5187
What is subarray and its example?
Whats is subarray ? Can you explain with example?!
Whats is subarray ? Can you explain with example?!
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1 votes
1 answer
5189
BST
certain file system stores records as per binary search tree principles.If the preorder traversal is 90,40,30,190,140,100,290.What is the expected number of comparisons when we randomly request one of the records?
certain file system stores records as per binary search tree principles.If the preorder traversal is 90,40,30,190,140,100,290.What is the expected number of comparisons w...
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1 votes
3 answers
5190
C program
how it is compiler error int main() { extern int i; printf("%d ", i); { int i = 10; printf("%d ", i); } } (a) 0 10 (b) Compiler Error (c) 0 0 (d) 10 10 ans b
how it is compiler errorint main(){extern int i;printf("%d ", i);{int i = 10;printf("%d ", i);}}(a) 0 10 (b) Compiler Error(c) 0 0 (d) 10 10ans b
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1 votes
2 answers
5191
C program
as i is initialized with 5 in main then how it becomes 0 please explain ? int main() { static int i=5; if(--i) { main(); printf("%d ",i); } } op = 0000
as i is initialized with 5 in main then how it becomes 0 please explain ?int main(){static int i=5;if( i){main();printf("%d ",i);}}op = 0000
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1 votes
1 answer
5193
c program
what function fun() does here #include <string.h> #include <stdio.h> #include <stdlib.h> void fun(char** str_ref) { str_ref++; } int main() { char *str = (void *)malloc(100*sizeof(char)); strcpy(str, "gate2016"); fun(&str); puts(str); free(str); return 0; } op gate2016
what function fun() does here#include <string.h>#include <stdio.h>#include <stdlib.h>void fun(char str_ref){str_ref++;}int main(){char *str = (void *)malloc(100*sizeof(c...
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2 votes
1 answer
5194
C program
Explain the array representation used here #include <stdio.h> int main() { int a[][3] = {1, 2, 3, 4, 5, 6}; int (*ptr)[3] = a; printf("%d %d ", (*ptr)[1], (*ptr)[2]); ++ptr; printf("%d %d\n", (*ptr)[1], (*ptr)[2]); return 0; } op=2 3 5 6
Explain the array representation used here#include <stdio.h>int main(){int a[][3] = {1, 2, 3, 4, 5, 6};int (*ptr)[3] = a;printf("%d %d ", (*ptr) , (*ptr) );++ptr;printf("...
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1 votes
1 answer
5195
pointer array
What it means ? int (*p)[R][C];
What it means ?int (*p)[R][C];
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4 votes
2 answers
5197
Program
Explain the line : t = (p += sizeof(int))[-1]; in following program : #include <stdio.h> void f(char**); int main() { char *argv[] = { "ab", "cd", "ef", "gh", "ij", "kl" }; f(argv); return 0; } void f(char **p) { char *t; t = (p += sizeof(int))[-1]; printf("%s\n", t); }
Explain the line :t = (p += sizeof(int))[-1];in following program :#include <stdio.h void f(char ); int main() { char *argv[] = { "ab", "cd", "ef", "gh", "ij", "kl" }; f(...
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2 votes
1 answer
5198
Time complexity
What is time complexity to evaluate prefix and postfix expression ? as per me it should be O(n) as atmost 2 pop operation perform and 1 push operation
What is time complexity to evaluate prefix and postfix expression ? as per me it should be O(n) as atmost 2 pop operation perform and 1 push operation
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2 votes
2 answers
5199
C prgram
x– = y+1; does the same as: (a) x= x –y +1 (b) x= – x –y – 1 (c) x= –x + y +1 (d) x= x – y – 1 is ans is a ? given d
x– = y+1; does the same as:(a) x= x –y +1 (b) x= – x –y – 1(c) x= –x + y +1 (d) x= x – y – 1is ans is a ?given d
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1 votes
0 answers
5200
c program
Explain how to evaluate it how to evaluate recursion within loop Consider the following C function: int fun (int n) { int x=1, k; if (n= =1) return x; for (k=1; k < n; ++k) x = x + fun(k) * fun(n &ndash; k); } The return value of fun(5) is __________. (a) 0 (b) 26 (c) 51 (d) 71
Explain how to evaluate ithow to evaluate recursion within loopConsider the following C function:int fun (int n){int x=1, k;if (n= =1) return x;for (k=1; k < n; ++k)x = x...
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