Please fix the errors I dont know what to declare them as The image shows a screenshot of a programming environment in Microsoft Visual Studio, specifically for a C program. Here is a breakdown of the content and layout:### Code EditorThe main part of the screen displays a C file named `Week11P2.c` in the editor. The code includes:```c#include int main(void){ a = 3; b = 4; printf(3 * 4);}```### Code Analysis1. **Include Directive**: `#include ` is used to include the standard input-output library, necessary for using `printf`.2. **Function**: `int main(void)` is the main function where execution starts.3. **Errors**: - Variables `a` and `b` are used without being declared, resulting in errors. - The `printf` function should use a format specifier for output. ### Error ListBelow the code editor, the "Error List" pane displays multiple errors:- **E0020**: "identifier 'a' is undefined" and "identifier 'b' is undefined" (Lines 4 and 5).- **C2065**: 'a': undeclared identifier, 'b': undeclared identifier.### Solution ExplorerOn the right, the "Solution Explorer" provides an overview of the project structure:- Project name: `Week11P2`.- Contains folders for dependencies and source files, with `Week11P2.c` listed under "Source Files."### Status BarThe bottom bar shows:- 4 errors detected.- No warnings or messages.### Recommendations for Code Correction- Declare the variables `a` and `b` before using them.- Use a format specifier in the `printf` function: ```cint main(void){ int a = 3; int b = 4; printf("%d", a * b); return 0;}```This ensures all identifiers are defined and output is handled correctly, resolving the compilation errors.

C programming:- The C programming language is a machine-independent language that is primarily used…

Server Explorer Toolbox TTD-1033-60614 (5) - lab-def11688-10fc-4eb1-969e-a/ba0ed8/dtc.southcentralus.cloudapp.azure.com:7015- Remote Desktop Connection File Edit View Git Project Build Debug Test Analyze Tools Extensions Window Help 2.2 Debug x86 ► Local Windows Debugger ▾ & || Week 11P2.c X Week 11P2 1 2 3 100 % 4 58 34°F Error List Entire Solution X #include int main(void) { } x 2 a = 3; b = 4; printf(3 * 4); 10 ← X4 Errors Description Code E0020 identifier "a" is undefined E0020 identifier "b" is undefined C2065 'a': undeclared identifier C2065 'b': undeclared identifier (Global Scope) A 0 of 2 Warnings 0 0 Messages * Project Week 11P2 Week 11P2 Week 11P2 Week 11P2 = Q Search File main(void) Week11P2.c Week 11P2.c Week 11P2.c Week 11P2.c Search (Ctrl+Q) Ln: 5 = a Ch: 3 Col: 9 TABS + Search Error List Line Suppression State 4 5 4 5 CRLF ▾ x 0 P A Solution Explorer CONG Search Solution Explorer (Ctrl+;) Week11P2 D D Solution Week 11P2' (1 of 1 project) Week11P2 ■■ References Sign in 4 Source Files External Dependencies Header Files Resource Files ▷ Week11P2.c Live Share 2 Solution Explorer Git Changes Properties <> ADM q P 9:07

Server Explorer Toolbox TTD-1033-60614 (5) - lab-def11688-10fc-4eb1-969e-a/ba0ed8/dtc.southcentralus.cloudapp.azure.com:7015- Remote Desktop Connection File Edit View Git Project Build Debug Test Analyze Tools Extensions Window Help 2.2 Debug x86 ► Local Windows Debugger ▾ & || Week 11P2.c X Week 11P2 1 2 3 100 % 4 58 34°F Error List Entire Solution X #include int main(void) { } x 2 a = 3; b = 4; printf(3 * 4); 10 ← X4 Errors Description Code E0020 identifier "a" is undefined E0020 identifier "b" is undefined C2065 'a': undeclared identifier C2065 'b': undeclared identifier (Global Scope) A 0 of 2 Warnings 0 0 Messages * Project Week 11P2 Week 11P2 Week 11P2 Week 11P2 = Q Search File main(void) Week11P2.c Week 11P2.c Week 11P2.c Week 11P2.c Search (Ctrl+Q) Ln: 5 = a Ch: 3 Col: 9 TABS + Search Error List Line Suppression State 4 5 4 5 CRLF ▾ x 0 P A Solution Explorer CONG Search Solution Explorer (Ctrl+;) Week11P2 D D Solution Week 11P2' (1 of 1 project) Week11P2 ■■ References Sign in 4 Source Files External Dependencies Header Files Resource Files ▷ Week11P2.c Live Share 2 Solution Explorer Git Changes Properties <> ADM q P 9:07

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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text file 80 1 2 3 100 100 100 1001 0 2 100 3 4 100 1002 2 0 4 4 100 5 1003 100 4 0 100 100 4 100100 3 4 100 0 3 3 3100 4 100 100 3 0 100 1100 100 5 4 3 100 0 2100 100 100 100 3 1 2 0 My code below. I am getting an error when trying to create my adjacency matrix. i dont know what i am doing wrong def readMatrix(inputfilename): ''' Returns a two-dimentional array created from the data in the given file. Pre: 'inputfilename' is the name of a text file whose first row contains the number of vertices in a graph and whose subsequent rows contain the rows of the adjacency matrix of the graph. ''' # Open the file f = open(inputfilename, 'r') # Read the number of vertices from the first line of the file n = int(f.readline().strip()) # Read the rest of the file stripping off the newline characters and splitting it into # a list of intger values rest = f.read().strip().split() # Create the adjacency matrix adjMat = []…
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