Decision Making

#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);
    if (n % 2 == 0)
        printf("Even\n");
    else
        printf("Odd\n");
    return 0;
}

#include <stdio.h>

int main() {
    int a, b, c;
    scanf("%d %d %d", &a, &b, &c);
    if (a >= b && a >= c)
        printf("Largest = %d\n", a);
    else if (b >= a && b >= c)
        printf("Largest = %d\n", b);
    else
        printf("Largest = %d\n", c);
    return 0;
}

#include <stdio.h>

int main() {
    int marks;
    scanf("%d", &marks);
    switch (marks / 10) {
        case 10:
        case 9:
            printf("Grade: A\n");
            break;
        case 8:
            printf("Grade: B\n");
            break;
        case 7:
            printf("Grade: C\n");
            break;
        default:
            printf("Grade: F\n");
    }
    return 0;
}