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Recent questions tagged pointers

0 votes
3 answers
67
&* Operator in C
#include <stdio.h> int main() { int a=20; int *ptr=&a; int x=a; printf ("%p\n",&*ptr); printf ("%p\n",&a); return 0; } Why both printf() line printing the same address value??
#include <stdio.h>int main(){ int a=20; int *ptr=&a; int x=a; printf ("%p\n",&*ptr); printf ("%p\n",&a); return 0;}Why both printf() line printing the s...
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1 votes
1 answer
72
GATE Overflow Test Series | Mixed Subjects | Test 2 | Question: 12
If the values printed by the following C code are $a$ and $b,$ $a + b =$ _____ #include<stdio.h> int main() { int array[5] = {1, 2, 3, 4, 5}; int *p = array; printf("%ld\t%ld", p - array, p - (int*)&array); }
If the values printed by the following C code are $a$ and $b,$ $a + b =$ _____#include<stdio.h int main() { int array[5] = {1, 2, 3, 4, 5}; int *p = array; printf("%ld\t%...
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1 votes
1 answer
73
GATE Overflow Test Series | Mixed Subjects | Test 2 | Question: 13
What will be the output of the following C code? #include<stdio.h> int main() { int array[4] = {1, 2, 3, 4}; printf("%d\n", *array + array[0] + *array+1 + array[array[1]]); }
What will be the output of the following C code?#include<stdio.h int main() { int array[4] = {1, 2, 3, 4}; printf("%d\n", *array + array[0] + *array+1 + array[array ]); }...
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9 votes
1 answer
76
GATE Overflow Test Series | Programming | Test 1 | Question: 3
What will be the output of the following C program: #include<stdio.h> int main() { char* disease = "COVID-19"; (*disease)++; printf("%s",disease); } DPWJE-$20$ DOVID-$19$ COVID-$19$ Possible Runtime Error
What will be the output of the following C program:#include<stdio.h int main() { char* disease = "COVID-19"; (*disease)++; printf("%s",disease); }DPWJE-$20$DOVID-$19$COVI...
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3 votes
1 answer
79
GATE Overflow Test Series | Programming | Test 1 | Question: 7
Which of the following is the correct replacement for "<my_decl>" to define a global integer variable? #include<stdio.h> <my_decl> my_global; int main() { printf("%d", my_global); } global int extern int static int int
Which of the following is the correct replacement for "<my_decl>" to define a global integer variable?#include<stdio.h <my_decl my_global; int main() { printf("%d", my_gl...
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6 votes
1 answer
82
GATE Overflow Test Series | Programming | Test 1 | Question: 11
What will be the output of the following C program?(Assume IEEE -$754$ standard being Used) #include<stdio.h> int main() { float a = 8.0625; if(a == 8.0625) { printf("1"); } else { printf("0"); } }
What will be the output of the following C program?(Assume IEEE -$754$ standard being Used)#include<stdio.h int main() { float a = 8.0625; if(a == 8.0625) { printf("1"); ...
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12 votes
2 answers
86
GATE Overflow Test Series | Programming | Test 1 | Question: 20
What will be the output of the following C program? #include <stdio.h> int main() { int a[10][20][30]={0}; printf("%d %d %d",&a+1 - &a, a[10][20] - a[10][10], a[10] - a[5]); return 0; } 1 300 100 600 300 100 1 100 5 None of the above
What will be the output of the following C program?#include <stdio.h int main() { int a[10][20][30]={0}; printf("%d %d %d",&a+1 - &a, a[10][20] - a[10][10], a[10] - a[5])...
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