Code: /* Calculate a student's average score for a course with 4 quizzes, 2 midterms and a final. The quizzes are weighted 30%, the midterms 40%, & the final 30% @author:Sudhir @Date and time: 1/8/2011 5:11:19 PM */ #include<stdio.h> #define QUIZ_WEIGHT 30 #define MIDTERM_WEIGHT 40 #define FINAL_WEIGHT 30 #define QUIZ_MAX 400.00 #define MIDTERM_MAX 200.00 #define FINAL_MAX 100.0 int main(int argc,char *argv[]) { //Local Declarations int quiz1; int quiz2; int quiz3; int quiz4; int totalQuiz; int midterm1; int midterm2; int totalMidterm;; int final; float quizPercent; float midtermPercent; float finalPercent; float totalPercent; //Statements printf("\n===========================Quizes===========================\n"); printf("Enter the score of Quiz-1: \n"); scanf("%d", &quiz1); printf("Enter the score of Quiz-2: \n"); scanf("%d", &quiz2); printf("Enter the score of Quiz-3: \n"); scanf("%d", &quiz3); printf("Enter the score of Quiz-4: \n"); scanf("%d", &quiz4); printf("\n===========================Midterm===========================\n"); printf("Enter the score of Midterm-1: \n"); scanf("%d", &midterm1); printf("Enter the score of Midterm-2: \n"); scanf("%d", &midterm2); printf("\n===========================Final===========================\n"); printf("Enter the score of final: \n"); scanf("%d", &final); printf("\n"); totalQuiz = quiz1 + quiz2 + quiz3 + quiz4; totalMidterm = midterm1 + midterm2; quizPercent = (float)totalQuiz * QUIZ_WEIGHT / QUIZ_MAX; midtermPercent = (float)totalMidterm * MIDTERM_WEIGHT / MIDTERM_MAX; finalPercent = (float)final * FINAL_WEIGHT / FINAL_MAX; printf("Quiz-1 %4d \n", quiz1); printf("Quiz-2 %4d \n", quiz2); printf("Quiz-3 %4d \n", quiz3); printf("Quiz-4 %4d \n", quiz4); printf("Quiz Total %4d \n\n", totalQuiz); printf("Midterm-1 %4d \n", midterm1); printf("Midterm-2 %4d \n", midterm2); printf("Midterm Total %4d \n\n", totalMedterm); printf("Final %4d\n\n", final); printf("Quiz %6.1f %% \n", quizPercent); printf("Midterm %6.1f %% \n", midtermPercent); printf("Final %6.1f %% \n", finalPercent); printf("-------------------\n"); printf("Total %6.1f %% \n", totalPercent); return 0; }//main errors returned by visual c++ command prompt are... Code: C:\Documents and Settings\Sudhir\My Documents\C Programs\TextBook>cl StudMar.c Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.42 for 80x86 Copyright (C) Microsoft Corporation. All rights reserved. StudMar.c StudMar.c(27) : error C2143: syntax error : missing ';' before 'type' StudMar.c(29) : error C2143: syntax error : missing ';' before 'type' StudMar.c(30) : error C2143: syntax error : missing ';' before 'type' StudMar.c(31) : error C2143: syntax error : missing ';' before 'type' StudMar.c(32) : error C2143: syntax error : missing ';' before 'type' StudMar.c(53) : error C2065: 'final' : undeclared identifier StudMar.c(59) : error C2065: 'quizPercent' : undeclared identifier StudMar.c(61) : error C2065: 'midtermPercent' : undeclared identifier StudMar.c(63) : error C2065: 'finalPercent' : undeclared identifier StudMar.c(73) : error C2065: 'totalMedterm' : undeclared identifier StudMar.c(81) : error C2065: 'totalPercent' : undeclared identifier errors returned by lcc are... Code: C:\Documents and Settings\Sudhir\My Documents\C Programs\TextBook>lc StudMar.c Error studmar.c: 73 undeclared identifier 'totalMedterm' Warning studmar.c: 73 possible usage of totalMedterm before definition Warning studmar.c: 32 possible usage of totalPercent before definition 1 error, 2 warnings 1 error
Code: /* Calculate a student's average score for a course with 4 quizzes, 2 midterms and a final. The quizzes are weighted 30%, the midterms 40%, & the final 30% @author:Sudhir @Date and time: 1/8/2011 5:11:19 PM */ #include<stdio.h> #define QUIZ_WEIGHT 30 #define MIDTERM_WEIGHT 40 #define FINAL_WEIGHT 30 #define QUIZ_MAX 400.00 #define MIDTERM_MAX 200.00 #define FINAL_MAX 100.0 int main(int argc,char *argv[]) { //Local Declarations int quiz1; int quiz2; int quiz3; int quiz4; int totalQuiz; int midterm1; int midterm2; int totalMidterm[COLOR=Red];[/COLOR] int final; [COLOR=Red] float quizPercent=(float) QUIZ_WEIGHT / QUIZ_MAX; float midtermPercent= (float)MIDTERM_WEIGHT / MIDTERM_MAX; float finalPercent= (float)FINAL_WEIGHT / FINAL_MAX; //float totalPercent; float total=0;[/COLOR] //Statements printf("\n===========================Quizes===========================\n"); printf("Enter the score of Quiz-1: \n"); scanf("%d", &quiz1);getchar(); printf("Enter the score of Quiz-2: \n"); scanf("%d", &quiz2);getchar(); printf("Enter the score of Quiz-3: \n"); scanf("%d", &quiz3);getchar(); printf("Enter the score of Quiz-4: \n"); scanf("%d", &quiz4);getchar(); printf("\n===========================Midterm===========================\n"); printf("Enter the score of Midterm-1: \n"); scanf("%d", &midterm1);getchar(); printf("Enter the score of Midterm-2: \n"); scanf("%d", &midterm2);getchar(); printf("\n===========================Final===========================\n"); printf("Enter the score of final: \n"); scanf("%d", &final);getchar(); printf("\n"); totalQuiz = quiz1 + quiz2 + quiz3 + quiz4; totalMidterm = midterm1 + midterm2; printf("Quiz-1 %4d \n", quiz1); printf("Quiz-2 %4d \n", quiz2); printf("Quiz-3 %4d \n", quiz3); printf("Quiz-4 %4d \n", quiz4); printf("Quiz Total %4d \n\n", totalQuiz); printf("Midterm-1 %4d \n", midterm1); printf("Midterm-2 %4d \n", midterm2); printf("Midterm Total %4d \n\n", totalMidterm);// printf("Final %4d\n\n", final); [COLOR=Red] total=quizPercent*totalQuiz+midtermPercent*totalMidterm+finalPercent*final; printf("\nAverage score calculation"); printf("\n===========================\n"); printf("Quiz score %6.1f \n", quizPercent*totalQuiz); printf("Midterm score %6.1f \n", midtermPercent*totalMidterm); printf("Final score %6.1f \n", finalPercent*final); printf("-----------------------------\n"); printf("average score %6.1f \n",total );[/COLOR] getchar(); return 0; }//main
