Register

Recent questions tagged programming-in-c

1 votes
1 answer
1112
pointers
int main() { int i,j; char a[2][3]={{'a','b','c'},{'d','e','f'}}; char b[3][2]; char *p=*b; for(i=0;i<2;i++) { for(j=0;j<3;j++) { *(p+2*j+i)=a[i][j]; } } } please explain this...
int main() { int i,j; char a [3]={{'a','b','c'},{'d','e','f'}}; char b[3] ; char *p=*b; for(i=0;i<2;i++) { for(j=0;j<3;j++) { *(p+2*j+i)=a[i][j]; } } }please explain this...
User Avatar
1 votes
2 answers
1115
C. interesting scenario.
Can you see why the output of the following code is 256? main () { int a=0x1ff; char *careful= &a; *careful = 0; printf("%d", a); }
Can you see why the output of the following code is 256?main () { int a=0x1ff; char *careful= &a; *careful = 0; printf("%d", a); }
User Avatar
2 votes
0 answers
1117
C doubt
Inside a program loop if we write *ch1++ it will give "lvalue required" error but without any loop if we write even ++*ch1++; it will not give any lvalue error. Why?
Inside a program loopif we write*ch1++it will give "lvalue required" errorbut without any loop if we write even++*ch1++;it will not give any lvalue error. Why?
User Avatar
0 votes
1 answer
1119
[Programming] What is the output of the following programme ?
#include <stdio.h> int main() { int a[] = {50, 60, 10, 30, 40, 20 }; int *b[] = {a+3, a+4, a, a+2, a+1, a+5 }; int **c = b; c++; printf("%u, %u, %u\n", c-b, *c - a, **c); return 0; }
#include <stdio.h>int main(){ int a[] = {50, 60, 10, 30, 40, 20 }; int *b[] = {a+3, a+4, a, a+2, a+1, a+5 }; int c = b; c++; printf("%u, %u, %u\n", c-b, *...
User Avatar
1 votes
2 answers
1120
C Programming
What will be output of below program #include<stdio.h> int tech(int,int); int main(void){ int a=tech(15,4); printf("%d",a); return 0; } int tech(int p,int q){ if(p%q==0) return q; else tech(q,p%q); }
What will be output of below program#include<stdio.h int tech(int,int); int main(void){ int a=tech(15,4); printf("%d",a); return 0; } int tech(int p,int q){ if(p%q==0) re...
User Avatar
1 votes
1 answer
1121
4.Programming
int main() { char ch=1; while(ch<256) ch++; printf("loop end"); return 0; } My doubt here is , will it give undefined behaviour? As we are storing integer value inside character variable and also is incrementation of character pointer will give some error?
int main() { char ch=1; while(ch<256) ch++; printf("loop end"); return 0; }My doubt here is , will it give undefined behaviour? As we are storing integer value inside cha...
User Avatar
2 votes
2 answers
1122
1.Programming
int main() { char str[10]="GATE2018"; int length=strlen(str); str[length]='\0'; for(i=0;str[i];i++) printf("%c",str[i]); return 0; } Find the output?
int main() { char str[10]="GATE2018"; int length=strlen(str); str[length]='\0'; for(i=0;str[i];i++) printf("%c",str[i]); return 0; }Find the output?
User Avatar
4 votes
1 answer
1123
GATEFORUM
for(i=0;i<=n;i++){ for(j=0;j<=i2;j++){ for(k=0;k<=$\frac{n}{2}$;k++){ x=y+z; }}} How many times the x=y+z statement will execute?
for(i=0;i<=n;i++){ for(j=0;j<=i2;j++){ for(k=0;k<=$\frac{n}{2}$;k++){ x=y+z;}}}How many times the x=y+z statement will execute?
User Avatar
1 votes
2 answers
1124
C (output of code)
int main() { int i=-1, j=-1,k=0,l=2,m; m= i++ && j++ && k++ || l++ ; printf("%d %d %d %d %d", i,j,k,l,m); return 0; }
int main() { int i=-1, j=-1,k=0,l=2,m; m= i++ && j++ && k++ || l++ ; printf("%d %d %d %d %d", i,j,k,l,m); return 0; }
User Avatar
0 votes
2 answers
1127
Programming
rec(int x) { static int f; if(x==1) return 1; else f+=x*rec(x-1); return(f); } the value returned by rec(5) is_____________
rec(int x) { static int f; if(x==1) return 1; else f+=x*rec(x-1); return(f); }the value returned by rec(5) is_____________
User Avatar
2 votes
1 answer
1128
Find Output
What is the output of the following program? int main ( ) { char *str = “Gate2018” printf (“%d”, output (str)) ; return 0; } int output(char *P1) { char *P2 = P1 ; while (*++P1) ; return (P1 – P2); }
What is the output of the following program?int main ( ){char *str = “Gate2018”printf (“%d”, output (str)) ;return 0;}int output(char *P1){char *P2 = P1 ;while (*...
User Avatar
1 votes
1 answer
1129
computer programing book arihant
i=0; j=--i ; printf( i++ + --i + i-- + j-- + --i + i); the output??
i=0;j= i ;printf( i++ + i + i + j + i + i);the output??
User Avatar
3 votes
1 answer
1130
output type question
Ans given is D.I want to know the logic behind
Ans given is D.I want to know the logic behind
User Avatar
0 votes
3 answers
1131
C programming
#include<stdio.h> int main() { int a=10,b=20,c=30; c==a==b; Printf("%d%d%d",a,b,c); return0;}
#include<stdio.h>int main(){ int a=10,b=20,c=30;c==a==b;Printf("%d%d%d",a,b,c);return0;}
User Avatar
4 votes
1 answer
1133
Programming
The following program #include<stdio.h> main ( ) { int abc ( ); abc ( ); (*abc) ( ); } int abc ( ) { printf (“come”);} (a) results in a compilation error (b) prints come come (c) results in a run-time error (d) prints come
The following program#include<stdio.h main ( ) { int abc ( ); abc ( ); (*abc) ( ); } int abc ( ) { printf (“come”);}(a) results in a compilation error (b) prints come...
User Avatar
0 votes
0 answers
1134
Pointers
User Avatar
3 votes
2 answers
1135
Programming
#include<stdio.h> #include<conio.h> #include<string.h> void main() { char *p="good"; char a[]="good"; printf("%d%d%d",sizeof(p),sizeof(*p),strlen(p)); printf("%d%d",sizeof(a),strlen(a)); getch(); } What will be output? Pls Explain
#include<stdio.h #include<conio.h #include<string.h void main() { char *p="good"; char a[]="good"; printf("%d%d%d",sizeof(p),sizeof(*p),strlen(p)); printf("%d%d",sizeof(a...
User Avatar
0 votes
0 answers
1138
self doubt
what is the use of type qualifiers in C? provide some examples.
what is the use of type qualifiers in C? provide some examples.
User Avatar
0 votes
0 answers
1139
What is properly balanced paranthesis
Please explain What is properly balanced parenthesis? Keyword is properly. Kindly give some examples also.
Please explain What is properly balanced parenthesis?Keyword is properly. Kindly give some examples also.
User Avatar
0 votes
1 answer
1140
geeks quiz
User Avatar
Page: