3.3 Logical Operator

ā§Š.ā§Š āϞāϜāĻŋāĻ•āĻžāϞ āĻ…āĻĒāĻžāϰ⧇āϟāϰ (⧍)

  1. [16] āϰ⧋āϞ āύāĻŽā§āĻŦāϰ āĻ…āύ⧁āϏāĻžāϰ⧇ āĻĻāϞ⧇ āĻŦāĻŋāĻ­āĻ•ā§āϤ āĻ•āϰ

    • A āĻĻāϞ: āϰ⧋āϞ ā§§ āĻĨ⧇āϕ⧇ ā§Šā§Ļ

    • B āĻĻāϞ: āϰ⧋āϞ ā§Šā§§ āĻĨ⧇āϕ⧇ ā§Ŧā§Ļ

    • C āĻĻāϞ: āϰ⧋āϞ ā§Ŧā§§ āĻĨ⧇āϕ⧇ ā§§ā§§ā§Ļ

  2. [17] āĻĒāϰ⧀āĻ•ā§āώāĻžā§Ÿ āĻĒā§āϰāĻžāĻĒā§āϤ āύāĻŽā§āĻŦāϰ āχāύāĻĒ⧁āϟ āύāĻŋā§Ÿā§‡ āĻ—ā§āϰ⧇āĻĄ āύāĻŋāĻ°ā§āϪ⧟ āĻ•āϰāĨ¤ (A+ (100-80), A (79-70), A- (69-60), B (59-50), C (49-40), D (40-33), F (32-0), āύ⧋āϟ: āĻĒā§āϰāĻžāĻĒā§āϤ āύāĻŽā§āĻŦāϰ āĻĒā§‚āĻ°ā§āĻŖāϏāĻ‚āĻ–ā§āϝāĻž)

āϏāĻŽāĻžāϧāĻžāύ

[16] āϰ⧋āϞ āύāĻŽā§āĻŦāϰ āĻ…āύ⧁āϏāĻžāϰ⧇ āĻĻāϞ⧇ āĻŦāĻŋāĻ­āĻ•ā§āϤ āĻ•āϰ

  • A āĻĻāϞ: āϰ⧋āϞ ā§§ āĻĨ⧇āϕ⧇ ā§Šā§Ļ

  • B āĻĻāϞ: āϰ⧋āϞ ā§Šā§§ āĻĨ⧇āϕ⧇ ā§Ŧā§Ļ

  • C āĻĻāϞ: āϰ⧋āϞ ā§Ŧā§§ āĻĨ⧇āϕ⧇ ā§§ā§§ā§Ļ

#include<stdio.h>
int main(){
    int roll_number;

    scanf("%d", &roll_number);

    if(roll_number >= 1 && roll_number <= 30){
        printf("Group A\n");
    }
    else if(roll_number >= 31 && roll_number <= 60){
        printf("Group B\n");
    }
    else if(roll_number >= 61 && roll_number <= 110){
        printf("Group C\n");
    }
    else{
        printf("Invalid roll number\n");
    }
    
    return 0;
}
Sample Input
Sample Output

25

Group A

45

Group B

85

Group C

120

Invalid roll number

[17] āĻĒāϰ⧀āĻ•ā§āώāĻžā§Ÿ āĻĒā§āϰāĻžāĻĒā§āϤ āύāĻŽā§āĻŦāϰ āχāύāĻĒ⧁āϟ āύāĻŋā§Ÿā§‡ āĻ—ā§āϰ⧇āĻĄ āύāĻŋāĻ°ā§āϪ⧟ āĻ•āϰāĨ¤ (A+ (100-80), A (79-70), A- (69-60), B (59-50), C (49-40), D (40-33), F (32-0), āύ⧋āϟ: āĻĒā§āϰāĻžāĻĒā§āϤ āύāĻŽā§āĻŦāϰ āĻĒā§‚āĻ°ā§āĻŖāϏāĻ‚āĻ–ā§āϝāĻž)

#include<stdio.h>
int main(){
    int mark;

    scanf("%d", &mark);

    if(mark >= 80 && mark <= 100){
        printf("A+\n");
    }
    else if(mark >= 70 && mark <= 79){
        printf("A\n");
    }
    else if(mark >= 60 && mark <= 69){
        printf("A-\n");
    }
    else if(mark >= 50 && mark <= 59){
        printf("B\n");
    }
    else if(mark >= 40 && mark <= 49){
        printf("C\n");
    }
    else if(mark >= 33 && mark <= 39){
        printf("D\n");
    }
    else if(mark >= 0 && mark <= 32){
        printf("F\n");
    }
    else{
        printf("Invalid score\n");
    }

    return 0;
}
Sample Input
Sample Output

85

A+

72

A

65

A-

55

B

45

C

36

D

28

F

105

Invalid score

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