سؤال (لغة سي) يجب فيه استعمال دالة واحدة فقط

1.  
2. #include <stdio.h>
3. #define INPUT "mathExercises.txt"
4. #define COL 80
5.  
6.  
7. float calculateOperation (int, char, int);
8.  
9. void main()
10. {
11. FILE *file;
12. int calculate[COL];
13.  
14. file=fopen(INPUT, "r");
15.  
16. if (file==NULL)
17. {
18. printf("File not Open!n");
19. return ;
20. }
21.  
22.  
23.  
24. }
25.  
26. float calculateOperation(int a, char ch, int b)
27. {
28. float result;
29.  
30. switch (ch)
31. {
32. case '+':
33. result=a+b;
34. break;
35. case '-':
36. result=a-b;
37. break;
38. case '*':
39. result=a*b;
40. break;
41. case '/':
42. result=a/b;
43. break;
44. default:
45. result=0;
46. }
47.  
48.  
49. return printf("%.2fn", result);
50. }
51.  
    
    

1. #include <stdio.h>
2. #include<string.h>
3.  
4. int main(int argc, char *argv[])
5. {
6. int SIZE=80;
7. FILE* myfile;
8. char *split;
9. char line[SIZE];
10.  
11. myfile=fopen("mathExercises.txt","r");
12. while(!feof(myfile)){
13.  
14. fgets(line,SIZE,myfile);
15. split=strtok(line," +=-*/");
16. while(split!=NULL){
17.  
18. puts(split);
19. split=strtok(NULL," +=-*/");
20. }
21. }
22. fclose(myfile);
23. getchar();
24. return 0;
25. }
26.  
    
    

5+6-7

1.  
2. #include <stdio.h>
3. #define INPUT "mathExercises.txt"
4. #define OUTPUT "mathLogFile.txt"
5. #define COL 80
6.  
7.  
8. float calculateOperation (int, char, int);
9.  
10. void main()
11. {
12. FILE *fileR, *fileW;
13. int calc[COL];
14. char c;
15.  
16.  
17. fileR=fopen(INPUT, "r");
18. fileW=fopen(OUTPUT, "w");
19.  
20.  
21. if ((fileR==NULL)||(fileW==NULL))
22. {
23. printf("File not Open!n");
24. return ;
25. }
26.  
27. c=fgetc(fileR);
28. while (c!=EOF)
29. {
30. if (c!='=')
31. {
32. calculationOperation(calc[c],calc[c],calc[c]);
33. }
34. }
35.  
36.  
37.  
38.  
39. }
40.  
41. float calculateOperation(int a, char ch, int b)
42. {
43. float result;
44.  
45. switch (ch)
46. {
47. case '+':
48. result=a+b;
49. break;
50. case '-':
51. result=a-b;
52. break;
53. case '*':
54. result=a*b;
55. break;
56. case '/':
57. result=a/b;
58. break;
59. default:
60. result=0;
61. }
62.  
63.  
64. return printf("%.2fn", result);
65. }
66.  
    
    

1. void main()
2. {
3. FILE *fileR, *fileW;
4. int num1=1,num2=1;
5. char c,t;
6. bool good;
7. float result1=0,result2=0;
8.  
9. fileR=fopen(INPUT, "r");
10. fileW=fopen(OUTPUT, "w");
11.  
12. if ((fileR==NULL)||(fileW==NULL))
13. {
14. tprintf("File not Open!n");
15. return 0;
16. }
17. c=fgetc(fileR);
18. while (c!=EOF)
19. {
20. while (c==' ' || c=='n') c=fgetc(fileR);
21. if (isdigit©)
22. {
23. num1=atoi©;
24. for (t=getc(fileR);isdigit(t);num1=num1*10)
25. num1=num1+atoi(t);
26. c=t;
27. }
28. else
29. good= false;
30. if(c=='+' ||c=='-' || c=='*'|| c=='/')
31. ch=c;
32. else
33. good=false;
34. if (isdigit©)
35. {
36. num1=atoi©;
37. for (t=getc(fileR);isdigit(t);num2=num2*10)
38. num2=num2+atoi(t);
39. c=t;
40. }
41. else
42. good= false;
43.  
44. if(!good)
45. while(c != '=')
46. c=fgetc(fileR);
47. if(result1==0)result1=calculateOperation(int num1, char ch, int num2);
48. else
49. {
50. result2=result1;
51. result1=calculateOperation(int result2, char ch, int num2);
52. }
53. }
54. }
55.  
    
    

1. #include <stdio.h>
2. #include<string.h>
3. #include<ctype.h>
4.  
5.  
6.  
7.  
8. #define SIZE 80
9.  
10. int main()
11. {
12.  
13. FILE * m_file,*log_file;
14. char line[SIZE];
15. int i,j=0;
16.  
17. m_file=fopen("mathExercises.txt","r");
18. log_file=fopen("mathLogFile.txt","w");
19. while(!feof(m_file))
20. {
21. fgets(line,SIZE,m_file);
22. j++;
23.  
24. for(i=1;i<strlen(line)-1;i++)
25. {
26. if( (line[i]=='+'||line[i]=='-'||line[i]=='/'||line[i]=='*')&&(!isdigit(line[i-1])||!isdigit
    (line[i+1])) )
27. {
28. fprintf(log_file,"%i%c %s",j,'.',line);break;
29. }
30. if( line[i]=='/' && line[i+1]=='0')
31. {
32. fprintf(log_file,"%i%c %s",j,'.',line);
33. }
34. }
35. }
36.  
37. fclose(log_file);
38. fclose(m_file);
39.  
40. return 0;
41. }
42.  
    
    

1. #include <stdio.h>
2.  
3. #define SIZE 80
4.  
5. int main()
6. {
7.  
8. FILE * m_file,*log_file;
9. char line[SIZE];
10. int i=1,j=0,test=1;
11. float num[SIZE];
12. m_file=fopen("mathExercises.txt","r");
13. log_file=fopen("mathLogFile.txt","w");
14. while(!feof(m_file))
15. {
16. fgets(line,SIZE,m_file);
17. j++;
18.  
19. while(line[i]!='\0')
20. {
21. switch(line[i])
22. {
23. case '+':
24. case '-':
25. case '/':
26. if(line[i+1]=='0') test=0;
27. case '*':
28. if((line[i-1]>'9' ||line[i-1]<'0')||(line[i+1]>'9'||line[i+1]<'0'))
29. test=0;
30.  
31.  
32. }
33. if(!test){fprintf(log_file,"%i%c %s",j,'.',line);test=1;break;}
34. i++;
35. }
36.  
37.  
38. i=0;
39. }
40.  
41.  
42. fclose(log_file);
43. fclose(m_file);
44.  
45.  
46. return 0;
47. }
48.  
    
    

1.  
2. int main()
3. {
4. FILE *m_file,*log_file;
5. char line[SIZE];
6. char ch;
7. int i=1,j=0,test=1;
8. float num[SIZE];
9. m_file=fopen(INPUT,"r");
10. log_file=fopen(OUTPUT,"w");
11.  
12. ch=getc(m_file);
13. while(ch!=EOF)
14. {
15. while(ch!='n')
16. {
17. ch=getc(m_file);
18. line[i]=ch;
19. i++;
20. }
21.  
22. //checking the row from errors
23. if (line[i]!='+' || line[i]='-' || line[i]='*'||line[i]='/'||line[i]>57 || line[i]<48)
24. return 0;
25. if ((line[i]>41 && line[i]<48) && (line[i+1]>41 &&line[i+1]<48))
26. return 0;
27. else
28. while((line[i]>47)&&(line[i]<58))
29. {
30. num=line[i];
31. num*=10;
32. i++
33. }
34.  
35.  
36.  
37. }
38.  
39.  
40.  
41.  
    
    

1.  
2. #include <stdio.h>
3. #include <stdlib.h>
4. #define SIZE 80
5. #define INPUT "mathExercises.txt"
6. #define OUTPUT "mathLogFile.txt"
7.  
8. float calculateOperation(int, char, float);
9.  
10.  
11.  
12. int main()
13. {
14. FILE *m_file,*log_file;
15. char line[SIZE];
16. char ch, tav;
17. int i=1,j=0,test=1;
18. int num1,num2,t;
19. float num[SIZE], result1=0;
20. m_file=fopen(INPUT,"r");
21. log_file=fopen(OUTPUT,"w");
22.  
23.  
24.  
25.  
26. while(ch!=EOF)
27. {
28. fgets(line,SIZE,m_file);
29. i=0;
30. while(line[i]!='\0')
31. {
32. if ((line[i]>57 || line[i]<48)&&(line[i]!='+' || line[i]!='-' || line[i]!='*'||line[i]!='/')
    )
33. line[i]='\0';
34.  
35. line[i++];
36. }
37.  
38. while ((ch<57 && ch>47)||(ch=='+' || ch=='-' || ch=='*'||ch=='/'))
39.  
40. {
41. while(ch!='n')
42. {
43. int i=0;
44.  
45. line[i]=ch;
46.  
47. //checking the row from errors
48. if ((line[i]>57 || line[i]<48)&&(line[i]!='+' || line[i]!='-' || line[i]!='*'||line[i]!='/')
    )
49. fscanf(m_file,"%c", 'n');
50. else
51. {
52. ch=fgetc(m_file);
53. line[i+1]=ch;
54.  
55. while ((line[i]<58) && (line[i]>47))
56. {
57.  
58. if ((line[i+1]<58) && (line[i+1]>47))
59. num1=line[i]*10+line[i+1];
60. else if(line[i+1]=='+' || line[i+1]=='-' || line[i+1]=='*'||line[i+1]=='/')
61. tav=line[i+1];
62.  
63. ch=getc(m_file);
64. line[i+2]=ch;
65. }
66. while ((line[i+2]<58) && (line[i+2]>47))
67. num2=line[i+2];
68.  
69. result1=calculateOperation(num1, tav, num2);
70.  
71.  
72.  
73. }
74. }
75. ch=getc(m_file);
76. i++;
77. }
78. printf("%fn", result1);
79.  
80. }
81.  
82.  
83. // printing the rows that contain illegal
84. while(!feof(m_file))
85. {
86. fgets(line,SIZE,m_file);
87. j++;
88. while(line[i]!='\0')
89. {
90. switch(line[i])
91. {
92. case '+':
93. case '-':
94. case '/':
95. if(line[i+1]=='0')
96. test=0;
97. case '*':
98. if((line[i-1]>'9' ||line[i-1]<'0')||(line[i+1]>'9'||line[i+1]<'0'))
99. test=0;
100. }
101. if(!test)
102. {
103. fprintf(log_file,"%d%c %s",j,'.',line);
104. test=1;
105. break;
106. }
107. i++;
108. }
109. i=0;
110. }
111. fclose(log_file);
112. fclose(m_file);
113. return 0;
114.  
115. }
116.  
117.  
118. float calculateOperation(int a, char ch, float b)
119. {
120. float result;
121.  
122. switch (ch)
123. {
124. case '+':
125. result=a+b;
126. break;
127. case '-':
128. result=a-b;
129. break;
130. case '*':
131. result=a*b;
132. break;
133. case '/':
134. result=a/b;
135. break;
136. default:
137. result=0;
138. }
139.  
140.  
141. return printf("%.2fn", result);
142. }
143.  
     
     

1.  
2. #include <stdio.h>
3. #include <stdlib.h>
4. #define SIZE 80
5. #define INPUT "mathExercises.txt"
6. #define OUTPUT "mathLogFile.txt"
7.  
8. float calculateOperation(int, char, float);
9.  
10.  
11.  
12. int main()
13. {
14. FILE *m_file,*log_file;
15. char line[SIZE];
16. char ch, tav;
17. int i=1,j=0,test=1,flag=1,result1;
18. int num1,num2;
19. float num[SIZE], result,result2;
20. m_file=fopen(INPUT,"r");
21. log_file=fopen(OUTPUT,"w");
22.  
23.  
24.  
25.  
26. // printing the rows that contain illegal
27. while(!feof(m_file))
28. {
29. fgets(line,SIZE,m_file);
30. j++;
31. while(line[i]!='\0')
32. {
33. switch(line[i])
34. {
35. case '+':
36. case '-':
37. case '/':
38. if(line[i+1]=='0')
39. test=0;
40. case '*':
41. if((line[i-1]>'9' ||line[i-1]<'0')||(line[i+1]>'9'||line[i+1]<'0'))
42. test=0;
43. }
44. if(!test)
45. {
46. fprintf(log_file,"%d%c %s",j,'.',line);
47. test=1;
48. break;
49. }
50. i++;
51. }
52. i=0;
53. }
54. fclose(log_file);
55. fclose(m_file);
56. return 0;
57.  
58.  
59.  
60.  
61. ///////////////////////////////////////////
62. //testing the row from illegal actions///////
63. //////////////////////////////////////////
64. while(ch!=EOF)
65. {
66. fgets(line,SIZE,m_file);
67. j++;
68. i=0;
69. while(line[i]!='\0')
70. {
71. if ((line[i]>57 || line[i]<48)&&(line[i]!='+' || line[i]!='-' || line[i]!='*'||line[i]!='/')
    )
72. flag=0;
73. {
74. if ((line[i]=='+' || line[i]=='-' || line[i]=='*'||line[i]=='/')&&(line[i+1]=='+' || line[i
    +1]=='-' || line[i+1]=='*'||line[i+1]=='/'))
75. flag=0;
76. {
77. if((line[i]=='+' || line[i]=='-' || line[i]=='*'||line[i]=='/')&&(line[i+1]=='='))
78. flag=0;
79. {
80. if((line[i]=='/')&&(line[i+1]=='0'))
81. flag=0;
82. }
83. }
84. }
85.  
86. if(!flag)
87. {
88. while (((line[i]>47)&&(line[i]<58))&&(line[i]>47)&&(line[i]<58))
89. {
90. num1=line[i]*10;
91. result1=num1+line[i+1];
92. i++;
93.  
94. }
95. if(((line[i]>47)&&(line[i]<58))&&((line[i+1]=='+') || ((line[i+1]=='-') || (line[i+1]=='*')
    ||(line[i+1]=='/'))))
96. tav=line[i+1];
97.  
98. if(((line[i]=='+') || (line[i]=='-') || (line[i]=='*')||(line[i]=='/'))&&((line[i+1]>47)&&(
    line[i+1]<58)))
99. {
100. num2=line[i+1];
101. if ((line[i+2]>57)&&(line[i+2]<48))
102. result2=num2*10+line[i+2];
103.  
104. result=calculateOperation(result1, tav, result2);
105. }
106.  
107. }
108.  
109. i++;
110. }
111.  
112. printf("%f",result);
113. }
114.  
115. }
116.  
117.  
118. float calculateOperation(int a, char ch, float b)
119. {
120. float result;
121.  
122. switch (ch)
123. {
124. case '+':
125. result=a+b;
126. break;
127. case '-':
128. result=a-b;
129. break;
130. case '*':
131. result=a*b;
132. break;
133. case '/':
134. result=a/b;
135. break;
136. default:
137. result=0;
138. }
139.  
140.  
141. return printf("%.2fn", result);
142. }
143.  
     
     

1. while(test)
2. {
3. //lineعلما ان القيمه البدائية لل i=0
4. //الشرط
5. if(line[i]>47 &&line[i]<58)
6. { // إذا تحقق الشرط معناتو ان المسألة الحسابيه صحيحه
7. //فنستمر بإختبار ما يليه
8. }
9. else test=0;
10. }
11. if(test==0); // هنا داله الطباعة في ملف المخرجات
12. else // هنا طباعة المسأله الحسابية على الشاشه
13.  
14.  
15.  
    
    

1. #include <stdio.h>
2. #define SIZE 80
3. #define INPUT "mathExercises.txt"
4. #define OUTPUT "mathLogFile.txt"
5.  
6. int calculateOperation (int, char, int);
7.  
8.  
9.  
10. int main()
11. {
12. FILE *m_file,*log_file;
13. char line[SIZE];
14. char ch,gh;
15. int i,j=1,result=0,test=1,a,b,ok=0;
16. m_file=fopen(INPUT,"r");
17. log_file=fopen(OUTPUT,"w");
18.  
19. while(!feof(m_file))//001
20. {
21. fgets(line,SIZE,m_file );
22. i=0;
23. do//002
24. {
25. if(line[i]=='+'||line[i]=='-'||line[i]=='/'||line[i]=='*')
26. if(line[i-1]<'0'||line[i+1]<'0'||line[i-1]>'9'||line[i+1]>'9'||(line[i]=='/' && line[i+1]=='0')
    )
27. {
28. fprintf(log_file,"%i. %s",j,line);test=0; break;
29. }
30. }while(line[i++]!='\0');//end 002
31. if(test)
32. {
33. i=0;
34. do //003
35. {
36. if(line[i]<='9'&&line[i]>='0')
37. {
38. result+=(int)(line[i])-48;
    
39. result=result*10;
    
40. }
41. else if(line[i]=='+'||line[i]=='-'||line[i]=='/'||line[i]=='*'||line[i]=='=')
42. {
43. result=result/10;
44.  
45. //----------------------
46. if(!ok)
47. {a=result;ok=1;}
48. else
49. {
50. a=calculateOperation(a,gh,result);
51. }
52. gh=line[i];
53. if(gh=='=')
54. {
55.  
56. printf("%s%in",line,a);
57. a=0;
58. ok=0;
59. }
60. //-------------------------
61. result=0;
62. }
63. }while(line[i++]!='\0');//end 003
64.  
65.  
66.  
67. }
68. test=1;
69. j++;
70.  
71.  
72.  
73.  
74.  
75. } //end 001
76.  
77.  
78.  
79. fclose(m_file);fclose(log_file);
80. getchar();
81. return 0;
82.  
83. }
84.  
85.  
86. int calculateOperation (int a, char ch, int b)
87. {
88.  
89. switch (ch)
90. {
91. case '+':return (a+b);
92. case '-':return (a-b);
93. case '/':return (a/b);
94. case '*':return (a*b);
95. }
96. }
97.