Teacher appointment exam

teacher-appointment-exam-2011.c

#include <stdio.h>

int main(void)
{
    int score[10] = {1, 2, 3, 4, 5};
    int i, op = 2, sum = 0;
    switch (op)
    {
    case 1:
        for (i = 0; i < 10; i++)
            sum += score[i];
        printf("%d \n", sum);
        break;
    case 2:
        for (i = 3; i < 10; i++)
            sum += score[i];
        printf("%d \n", sum);
    default:
        for (i = 5; i < 10; i++)
            sum += score[i];
        printf("%d \n", sum);
        break;
    }
    return 0;
}