Enter a percentage score, use the switch statement to write a program, and require the output score grade A B C D, E. Above 90
Program: int main()
{int n;
scanf("%d",&n);
switch(n/10)
{case 10:case 9: printf("A\n"); break;
case 8: printf("B\n"); break;
case 7: printf("C\n"); break;
case 6: printf("D\n"); break;
default:printf("E\n");
}
return 0;
}
1. Switch is reserved in some computer languages, and its function is mostly to make judgments and choices. In C language, switch (switch statement) is often used with case break default. Principle: (n) after switch can be an expression or (and usually) a variable. The values in the expression will then be compared with the numbers in the case, and if they match a case, the subsequent code will be executed. The purpose of break is to prevent the code from being automatically executed to the next line.
2. The switch statement is similar to a series of IF statements with the same expression. In many cases, the same variable (or expression) needs to be compared with many different values and execute different codes based on which value it equals. This is exactly what the switch statement is for. Note: Note that unlike other languages, the role of the continue statement on the switch is similar to that of break. If there is a switch in the loop and you want to continue to the next cycle in the outer loop, use continue 2.
matlabEnter a percentage score and require output score grades, A, B, C, D, E
Score = [76, 80, 90, 91, 55, 66, 100, 98, 88];
L = length(Score);
for (i=1 : L)
k = floor(Score(i)/10);
switch k
case {9, 10}
disp('A')
case 8
disp('B')
case 7
disp('C')
case 6
disp('D')
otherwise
disp('E')
end
end
Write a program: Enter a percentage from the keyboard to form the score. It is required to output the score in the form of "excellent", "good", "medium", and "poor"
BufferedReader buf = new BufferedReader(new InputStreamReader(); Stringstr = (); int g = (str);if(g >= 90){ ("Outstanding");else if(75<=g && g<=89) ("Good");else if(60<=g && g<=74) ("Medium");else if(g<60 ) ("Poor");
C++ program gives a score of 100 and requires the output scores of 'A', 'B', 'C', 'D', 'E'. A score of 90 or above is ‘A’
There are several questions,
The semicolon after x is a Chinese character
mainfunctionIt's void, don't need to return 0;
In addition, according to the question, there should be an equal sign when 90, 80, etc. #includeusing namespace std;void main(){cout<>x; if (x<0||x>100) cout<=90) cout<=80) cout<=70) cout<=60) cout<
beg! Programming with VFP. Given a percentage score, requiring the output scores of A, B, C, D, and E. Use if statement.
clear
input "Enter the test score" to chj
if chj<60
dj="E"
else
if chj<70
dj="D"
else
if chj<80
dj="C"
else
if chj<90
dj="B"
else
dj="A"
endif
endif
endif
endif
? dj
Write a program and require input percentage scores. According to this score, output levels: 90-100 is a, 80-89 is b, 70-79 is c, 60-69 is d, and below 60 is e.
switch (floor(x/10)){ case 10: case 9: printf("a"); break; case 8: printf("b"); break; case 7: printf("c"); break; case 6: printf("d"); break; default: printf("e");}
Use the scanf function to enter a percentage score (integer quantity), and require the output score levels A, B, C, D, E.
Use switch:
#include
int main()
{ float score;
char grade;
printf("please input a score:");
scanf("%f",&score);
while (score>100||score<0)
{printf("\nsorry your input is wrong");
scanf("%f",&score);
} ;
switch((int)(score/10))
{case 10:
case 9: grade='A';break;
case 8: grade='B';break;
case 7: grade='C';break;
case 6: grade='D';break;
case 5:
case 4:
case 3:
case 2:
case 1:
case 0: grade='E';
}
printf("the score is%5.1f,the grade is%c\n ",score,grade);
system("pause");
}
Using if:
#include
main()
{ int c,i,j;
printf("\nInput a score:");
scanf("%d",&c);
if(c>100||c<0)
printf("sorry,your input is wrong!\n");
else
{ printf("\nThe score is %d",c);
if(c>=90&&c<=100)
{printf("\nHe got an A");}
else if(c>=80&&c<90)
{printf("\nHe got an B");}
else if(c>=70&&c<80)
{printf("\nHe got an C");}
else if(c>=60&&c<70)
{printf("\nHe got an D");}
else if(c>=0&&c<60)
{printf("\nHe got an E");} } }
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