All Questions
11 questions
-2
votes
1
answer
155
views
printf output always before scanf, who can give a solution?
Who know the root cause of print order error?
How to resolve it?
I compiled the following code to assembly:
{
int a, b;
sprint("input number\n");
scan (a);
iprint(a);
}
...
- 21
0
votes
1
answer
55
views
Printf does not print the correct values after scanf (ex. 5 is printed as 6618624)
I wrote up a simple calculator that utilizes functions.
#include<stdio.h>
void operation_menu();
int getNumber(int,int);
int sum(int,int);
int diff(int,int);
int mult(int,int);
double quot(...
- 15
0
votes
2
answers
77
views
how scanf handles standard input vs pipelined input
In the following code:
#include <cstdio>
using namespace std;
int N;
char x[110];
int main() {
scanf("%d\n", &N);
while (N--) {
scanf("0.%[0-9]...\n", x);
printf("...
- 3
0
votes
1
answer
67
views
Scanf_s reading wrong input
For this code below (in C)
int small_a, small_b;
printf("Please input two numbers\n");
scanf_s("%d %d", &small_a, &small_b);
printf("%d %d", &small_a, &small_b);
...
- 175
2
votes
2
answers
608
views
"Freezing" an input line in console and printing on the lines above it?
I was wondering if there was a way to "freeze" an input line in order to separate input and output from each other in c. For instance, my console output is currently something like this:
1 ...
- 323
0
votes
3
answers
86
views
Can anyone explain the output for scanned value of the following program..?
#include<stdio.h>
int main()
{
int i;
printf("%d\n", scanf("%d", &i) );
return 0;
}
If some value is supplied to scanf() the output of the program is still 1. Why ?
- 81
0
votes
3
answers
1k
views
C beginner, code not outputting properly
So I am very new to coding and this is the first time I have used scanf and printf to this extent. For my homework assignment we are supposed to create a program that calculates fuel efficiency in mpg ...
- 33
-1
votes
1
answer
158
views
Printf with scanf asking for input. Loop error with BST
I have been trying to see why printf does not break the loop after printing the input of the file. The .c file is BST and I am now in the middle of testing whether a tree has been built but can't seem ...
- 121
1
vote
1
answer
168
views
Program does not wait before output [duplicate]
I'm new to C programming, and I am having trouble with the following code.
#include <stdio.h>
int main(void)
{
int input_number;
int largest_number = 0;
char reply;
printf("Hello world\...
- 13
1
vote
3
answers
7k
views
Scanning an integer using %c and a character using %d: unexpected results
I am unable to give a proper reason for the following code's output. Can anybody help me.
int main()
{
int i;
char ch;
scanf("%c",&i);
scanf("%d",&ch);
printf("%d\n%c",i,ch);
...
- 160
38
votes
2
answers
52k
views
C/C++ printf() before scanf() issue
I'm using Eclipse to code in C/C++ and I'm struggling with what might be something pretty easy. In my code below I use printf() and after scanf(). Althougth printf is written before scanf() the output ...
- 2,939