C program TO calculates and displays the percentage score

 Sure, here's an example of a C program that takes input for a student's name, roll number, and marks obtained in four subjects, and then calculates and displays the percentage score:

```c

#include <stdio.h>

int main() {

    char name[50];

    int rollno;

    int marks[4];

    

    printf("Enter student's name: ");

    scanf("%[^\n]", name);

    printf("Enter roll number: ");

    scanf("%d", &rollno);

    printf("Enter marks obtained in four subjects:\n");

    for (int i = 0; i < 4; i++) {

        printf("Subject %d: ", i + 1);

        scanf("%d", &marks[i]);

    }

    int totalMarks = 0;

    for (int i = 0; i < 4; i++) {

        totalMarks += marks[i];

    }

    float percentage = (float)totalMarks / 400 * 100;

    printf("\nStudent Name: %s\n", name);

    printf("Roll Number: %d\n", rollno);

    printf("Percentage Score: %.2f%%\n", percentage);

    return 0;

}

```

In this program, we use an array `marks` to store the marks obtained in four subjects. The loop iterates through the array to calculate the total marks, and then the percentage is calculated using the formula `(totalMarks / 400) * 100`. The `%.2f` format specifier is used to display the percentage with two decimal places.

```c

#include <stdio.h>

int main() {

    char name[50];

    int rollno;

    int marks[4];

    

    printf("Enter student's name: ");

    scanf("%[^\n]", name);

    printf("Enter roll number: ");

    scanf("%d", &rollno);

    printf("Enter marks obtained in four subjects:\n");

    for (int i = 0; i < 4; i++) {

        printf("Subject %d: ", i + 1);

        scanf("%d", &marks[i]);

    }

    int totalMarks = 0;

    for (int i = 0; i < 4; i++) {

        totalMarks += marks[i];

    }

    float percentage = (float)totalMarks / 400 * 100;

    printf("\nStudent Name: %s\n", name);

    printf("Roll Number: %d\n", rollno);

    printf("Percentage Score: %.2f%%\n", percentage);

    return 0;

}

```

In this program, we use an array `marks` to store the marks obtained in four subjects. The loop iterates through the array to calculate the total marks, and then the percentage is calculated using the formula `(totalMarks / 400) * 100`. The `%.2f` format specifier is used to display the percentage with two decimal places.

```c

#include <stdio.h>

int main() {

    char name[50];

    int rollno;

    int marks[4];

    

    printf("Enter student's name: ");

    scanf("%[^\n]", name);

    printf("Enter roll number: ");

    scanf("%d", &rollno);

    printf("Enter marks obtained in four subjects:\n");

    for (int i = 0; i < 4; i++) {

        printf("Subject %d: ", i + 1);

        scanf("%d", &marks[i]);

    }

    int totalMarks = 0;

    for (int i = 0; i < 4; i++) {

        totalMarks += marks[i];

    }

    float percentage = (float)totalMarks / 400 * 100;

    printf("\nStudent Name: %s\n", name);

    printf("Roll Number: %d\n", rollno);

    printf("Percentage Score: %.2f%%\n", percentage);

    return 0;

}

```

In this program, we use an array `marks` to store the marks obtained in four subjects. The loop iterates through the array to calculate the total marks, and then the percentage is calculated using the formula `(totalMarks / 400) * 100`. The `%.2f` format specifier is used to display the percentage with two decimal places.

```c

#include <stdio.h>

int main() {

    char name[50];

    int rollno;

    int marks[4];

    

    printf("Enter student's name: ");

    scanf("%[^\n]", name);

    printf("Enter roll number: ");

    scanf("%d", &rollno);

    printf("Enter marks obtained in four subjects:\n");

    for (int i = 0; i < 4; i++) {

        printf("Subject %d: ", i + 1);

        scanf("%d", &marks[i]);

    }

    int totalMarks = 0;

    for (int i = 0; i < 4; i++) {

        totalMarks += marks[i];

    }

    float percentage = (float)totalMarks / 400 * 100;

    printf("\nStudent Name: %s\n", name);

    printf("Roll Number: %d\n", rollno);

    printf("Percentage Score: %.2f%%\n", percentage);

    return 0;

}

```

In this program, we use an array `marks` to store the marks obtained in four subjects. The loop iterates through the array to calculate the total marks, and then the percentage is calculated using the formula `(totalMarks / 400) * 100`. The `%.2f` format specifier is used to display the percentage with two decimal places.

```c

#include <stdio.h>

int main() {

    char name[50];

    int rollno;

    int marks[4];

    

    printf("Enter student's name: ");

    scanf("%[^\n]", name);

    printf("Enter roll number: ");

    scanf("%d", &rollno);

    printf("Enter marks obtained in four subjects:\n");

    for (int i = 0; i < 4; i++) {

        printf("Subject %d: ", i + 1);

        scanf("%d", &marks[i]);

    }

    int totalMarks = 0;

    for (int i = 0; i < 4; i++) {

        totalMarks += marks[i];

    }

    float percentage = (float)totalMarks / 400 * 100;

    printf("\nStudent Name: %s\n", name);

    printf("Roll Number: %d\n", rollno);

    printf("Percentage Score: %.2f%%\n", percentage);

    return 0;

}

```

In this program, we use an array `marks` to store the marks obtained in four subjects. The loop iterates through the array to calculate the total marks, and then the percentage is calculated using the formula `(totalMarks / 400) * 100`. The `%.2f` format specifier is used to display the percentage with two decimal places.

```c

#include <stdio.h>

int main() {

    char name[50];

    int rollno;

    int marks[4];

    

    printf("Enter student's name: ");

    scanf("%[^\n]", name);

    printf("Enter roll number: ");

    scanf("%d", &rollno);

    printf("Enter marks obtained in four subjects:\n");

    for (int i = 0; i < 4; i++) {

        printf("Subject %d: ", i + 1);

        scanf("%d", &marks[i]);

    }

    int totalMarks = 0;

    for (int i = 0; i < 4; i++) {

        totalMarks += marks[i];

    }

    float percentage = (float)totalMarks / 400 * 100;

    printf("\nStudent Name: %s\n", name);

    printf("Roll Number: %d\n", rollno);

    printf("Percentage Score: %.2f%%\n", percentage);

    return 0;

}

```

In this program, we use an array `marks` to store the marks obtained in four subjects. The loop iterates through the array to calculate the total marks, and then the percentage is calculated using the formula `(totalMarks / 400) * 100`. The `%.2f` format specifier is used to display the percentage with two decimal places.

```c

#include <stdio.h>

int main() {

    char name[50];

    int rollno;

    int marks[4];

    

    printf("Enter student's name: ");

    scanf("%[^\n]", name);

    printf("Enter roll number: ");

    scanf("%d", &rollno);

    printf("Enter marks obtained in four subjects:\n");

    for (int i = 0; i < 4; i++) {

        printf("Subject %d: ", i + 1);

        scanf("%d", &marks[i]);

    }

    int totalMarks = 0;

    for (int i = 0; i < 4; i++) {

        totalMarks += marks[i];

    }

    float percentage = (float)totalMarks / 400 * 100;

    printf("\nStudent Name: %s\n", name);

    printf("Roll Number: %d\n", rollno);

    printf("Percentage Score: %.2f%%\n", percentage);

    return 0;

}

```

In this program, we use an array `marks` to store the marks obtained in four subjects. The loop iterates through the array to calculate the total marks, and then the percentage is calculated using the formula `(totalMarks / 400) * 100`. The `%.2f` format specifier is used to display the percentage with two decimal places.

```c

#include <stdio.h>

int main() {

    char name[50];

    int rollno;

    int marks[4];

    

    printf("Enter student's name: ");

    scanf("%[^\n]", name);

    printf("Enter roll number: ");

    scanf("%d", &rollno);

    printf("Enter marks obtained in four subjects:\n");

    for (int i = 0; i < 4; i++) {

        printf("Subject %d: ", i + 1);

        scanf("%d", &marks[i]);

    }

    int totalMarks = 0;

    for (int i = 0; i < 4; i++) {

        totalMarks += marks[i];

    }

    float percentage = (float)totalMarks / 400 * 100;

    printf("\nStudent Name: %s\n", name);

    printf("Roll Number: %d\n", rollno);

    printf("Percentage Score: %.2f%%\n", percentage);

    return 0;

}

```

In this program, we use an array `marks` to store the marks obtained in four subjects. The loop iterates through the array to calculate the total marks, and then the percentage is calculated using the formula `(totalMarks / 400) * 100`. The `%.2f` format specifier is used to display the percentage with two decimal places.

```c

#include <stdio.h>

int main() {

    char name[50];

    int rollno;

    int marks[4];

    

    printf("Enter student's name: ");

    scanf("%[^\n]", name);

    printf("Enter roll number: ");

    scanf("%d", &rollno);

    printf("Enter marks obtained in four subjects:\n");

    for (int i = 0; i < 4; i++) {

        printf("Subject %d: ", i + 1);

        scanf("%d", &marks[i]);

    }

    int totalMarks = 0;

    for (int i = 0; i < 4; i++) {

        totalMarks += marks[i];

    }

    float percentage = (float)totalMarks / 400 * 100;

    printf("\nStudent Name: %s\n", name);

    printf("Roll Number: %d\n", rollno);

    printf("Percentage Score: %.2f%%\n", percentage);

    return 0;

}

```

In this program, we use an array `marks` to store the marks obtained in four subjects. The loop iterates through the array to calculate the total marks, and then the percentage is calculated using the formula `(totalMarks / 400) * 100`. The `%.2f` format specifier is used to display the percentage with two decimal places.