QB Rating

qb_rate.c

#include <stdio.h>

double contain(double var){
    double a;
    double min = 0    ;
    double max = 2.375;
    a = (min < var)? var : min;
    a = (a   < max)? a   : max;
    return a;
}

int main(void){    // 型はとりあえず整数 int と実数 double の 2 つを覚えておく。
    double att, comp, yd, td, intcpt;
    double a, b, c, d, rating;

    printf("******** QB Rating ********\n");

    printf("Number of passing attempts (ATT)?\n");
    scanf("%lf", &att);          // %lf は double 型でキー入力する書式指定。&att の & は変数のアドレスを得るという意味。

    printf("Number of completions (COMP)?\n");
    scanf("%lf", &comp);

    printf("Passing yards (YDS)?\n");
    scanf("%lf", &yd);

    printf("Touchdown passes (TD)?\n");
    scanf("%lf", &td);

    printf("Interceptions (INT)?\n");
    scanf("%lf", &intcpt);

    a = contain(  (comp/att - 0.3) * 5     );
    b = contain(  (yd/att - 3) * 0.25      );
    c = contain(  20 * td/att              );
    d = contain(  2.375 - 25 * intcpt/att  );

    rating = 100 * (a + b + c + d)/6;
    printf("QB Rating = %0.1f\n", rating);   // %0.1f の 1 は小数点以下の桁数
    return 0;
}