Find the error: #include #include int main() { unsigned char; FILE *fp; fp=fopen("trial", "r"); if(!fp) { printf("Unable to open file"); exit(1); } fclose(fp); return 0; }
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Find the error:
#include<stdio.h>
#include<stdlib.h>
int main()
{
unsigned char;
FILE *fp;
fp=fopen("trial", "r");
if(!fp)
{
printf("Unable to open file");
exit(1);
}
fclose(fp);
return 0;
}
Step by step
Solved in 2 steps
- int func(int a, int b) { return (aRectangle's Length and Width Code in C language // WARNING: Do not add, remove, or change anything before the line 19 of this file.// Doing so will nullify your score for the activity. #include <stdio.h>#include "rectangle.h" int get_length(Rectangle *rect);int get_width(Rectangle *rect); int main() { int ur_x, ur_y, ll_x, ll_y; printf("UR's X: "); scanf("%d", &ur_x); printf("UR's Y: "); scanf("%d", &ur_y); printf("LL's X: "); scanf("%d", &ll_x); printf("LL's Y: "); scanf("%d", &ll_y); // TODO: Initialize the points here // Point ... // TODO: Initialize the rectangle here // Rectangle ... // TODO: Call the get_length here int len = ___; printf("\nLength: %d", len); // TODO: Call the get_width here int wid = ___; printf("\nWidth: %d", wid); return 0;} // TODO implement get_lengthint get_length(Rectangle *rect) { return 0;} // TODO implement get_widthint get_width(Rectangle *rect){ return 0;} refer to pics for instructions#include <stdio.h>#include <stdlib.h> //declaring variables globally to calculate coinsint cent50 = 0;int cent20 = 0;int cent10 = 0;int cent05 = 0; //calculate change//pass change variable by addressvoid calculateChange(int* change) {//calculate change only if change is positiveif(*change > 0) {if(*change >= 50) {*change -= 50;cent50++;}else if(*change >= 20) {*change -= 20;cent20++;}else if(*change >= 10) {*change -= 10;cent10++;}else if(*change >= 05) {*change -= 05;cent05++;}//call calculateChange recursively calculateChange(change);}} // function to display the cents valuesvoid printChange() { if(cent50)printf("\n50 Cents : %d coins", cent50);if(cent20)printf("\n20 Cents : %d coins", cent20);if(cent10)printf("\n10 Cents : %d coins", cent10);if(cent05)printf("\n05 Cents : %d coins", cent05);//reset all cent variables with 0cent50 = 0;cent20 = 0;cent10 = 0;cent05 = 0; } //take change input from user//change variable passed addressvoid TakeChange(int*…#include using namespace std; int find(int arr[], int value, int left, int right) { int midpt = (left+right)/2; if (left > right) return -1; if ( arr[midpt] return midpt; else if (arr[midpt] < value) == value) return else return find(arr,value, left,midpt-1); } void main(void) { int arr[] ={4,5,6,9,11}; cout<//Assignment 06 */public static void main[](String[] args) { String pass= "ICS 111"; System.out.printIn(valPassword(pass));} /* public static boolean valPassword(String password){ if(password.length() > 6) { if(checkPass(password) { return true; } else { return false; } }else System.out.print("Too small"); return false;} public static boolean checkPass (String password){ boolean hasNum=false; boolean hasCap = false; boolean hasLow = false; char c; for(int i = 0; i < password.length(); i++) { c = password.charAt(1); if(Character.isDigit(c)); { hasNum = true; } else if(Character.isUpperCase(c)) { hasCap = true; } else if(Character.isLowerCase(c)) { hasLow = true; } } return true; { return false; } }struct employee{int ID;char name[30];int age;float salary;}; (A) Using the given structure, Help me with a C program that asks for ten employees’ name, ID, age and salary from the user. Then, it writes the data in a file named out.txt (B) For the same structure, read the contents of the file out.txt and print the name of the highest salaried employee and youngest employee names name in the outputscreen.#include <stdio.h>#include <stdlib.h>#include <string.h>// Driver codeint main(){ char name[100]; int PID; printf("Enter the user name: "); scanf("%s",name); PID = fork(); if(PID == 0){ printf("\n%d This is child process %s",PID,name); } else{ printf("%d This is parent process %s\n",PID,name); } exit(0); return 0;} It does let me enter the number of fork but only 1 character can be enter in the username. If I type multiple character to username It does not let me enter the number of fork. I use ubuntu. The command that I used in ubuntu >gedit prog.c (CODE FILE) >cc -c prog.c >cc -o prog prog.c >./prog Correct me pleaseVoid Do1 (int: &, a. int &b) { a = 5; a = a + b; b = a + 2; } Int main() { Int x = 10; Do1 (x,x); Cout << x << endl; } The output of this program isint x; X=-2; do { x++; cout0); cout<<"done"; O done O -2 done O -1 done2- In C++ language, every line of code must end with a semicolon. (True or False). 3- It is not possible to change the value of the pointer. (True or False). 4- If the following lines of code have errors, correct them; otherwise, write "no errors." for (int i=2; i<5; i++) { int s=i*2; } cout << S; 5- A function cannot be called from inside another function. (True or False). 6- How to make a function return multiple values? 7- Every class member is by default. (public, private, not public nor private) 8- Create an instance of the following class and call its methods. class Exam{ int grade; public: void seta (int b) (grade=b; } int geta () {return grade; } 9- When the word const is put before the variable definition, what does that mean? 10- How to concatenate two strings in C++ language? C++int main(){ long long int total; long long int init; scanf("%lld %lld", &total, &init); getchar(); long long int max = init; long long int min = init; int i; for (i = 0; i < total; i++) { char op1 = '0'; char op2 = '0'; long long int num1 = 0; long long int num2 = 0; scanf("%c %lld %c %lld", &op1, &num1, &op2, &num2); getchar(); long long int maxr = max; long long int minr = min; if (op1 == '+') { long long int sum = max + num1; maxr = sum; minr = sum; long long int res = min + num1; if (res > maxr) { max = res; } if (res < minr) { minr = res; } } else { long long int sum = max * num1; maxr = sum; minr = sum; long long int res = min * num1;…SEE MORE QUESTIONSRecommended textbooks for youDatabase System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. 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