/* Program 2.17 Calculating the height of a tree */
#include <stdio.h>

int main(void)
{
    long shorty =0L;                 // Shorty's height in inches 矮子的英寸高度
    long lofty =0L;                  // Lofty's height in inches  高个子的英寸高度
    long feet =0L;
    long inches =0L;
    long shorty_to_lofty =0L;        // Distance from Shorty to Lofty in inches  矮子和高个子的英寸差距
    long lofty_to_tree =0L;          // Distance from Lofty to the tree in inches  高个子到树的英寸差距
    long tree_height =0L;            // Height of the tree in inches  树的高度英寸
    const long inches_per_foot =12L;

    // Get Lofty's height  高个子的身高
    printf("Enter Lofty's height to the top of his/her head, in whole feet: ");
    scanf("%Ld", &feet);
    printf("            ...and then inches: ");
    scanf("%Ld", &inches);
    lofty = feet*inches_per_foot + inches;

    // Get Shorty's height up to his/her eyes   //矮子的身高到他的眼睛距离
    printf("Enter Shorty's height up to his/her eyes, in whole feet: ");
    scanf("%Ld", &feet);
    printf("                               ... and then inches: ");
    scanf("%Ld", &inches);
    shorty = feet*inches_per_foot + inches;

    // Get the distance from Shorty to Lofty   //高个子和矮子的距离
    printf("Enter the distance between Shorty and Lofty, in whole feet: ");
    scanf("%Ld", &feet)"
    printf("                                          ... and then inches：");
    scanf("%Ld", &inches);
    shorty_to_lofty = feet*inches_per_foot + inches;

    // Get the distance from Lofty to the tree   //高个子到树的距离
    printf("Finally enter the distance from Lofty to the tree to the nearest foot: ");
    scanf("%Ld", &feet);
    Lofty_to_tree = feet*inches_per_foot;

    // Calculate the height of the tree in inches  //在英寸计算树的高度
    tree_height = shorty+(shorty_to_lofty + lofty_to_tree)*(lofty-shorty)/
                                                              shorty_to_lofty;

    // Display the result in feet and inches  //英尺和英寸的显示结果
    printf("The height of the tree is %Ld feet and %Ld inches.\n",
                                           tree_height/inches_per_foot,tree_height% inches_per_foot);

    return 0;
}


这个是教学书里的，比对了，没发现输入错误，但是我执行的时候就提示出错
图片是错误信息，麻烦老师指出

非常感谢订正错误，我太粗心了。我将上面两处错误修改以后，第32行好想还有问题

/* Program 2.18 Calculating the height of a tree */
#include <stdio.h>

int main(void)
{
    long shorty =0L;                 // Shorty's height in inches 矮子的英寸高度
    long lofty =0L;                  // Lofty's height in inches  高个子的英寸高度
    long feet =0L;
    long inches =0L;
    long shorty_to_lofty =0L;        // Distance from Shorty to Lofty in inches  矮子和高个子的英寸差距
    long lofty_to_tree =0L;          // Distance from Lofty to the tree in inches  高个子到树的英寸差距
    long tree_height =0L;            // Height of the tree in inches  树的高度英寸
    const long inches_per_foot =12L;

    // Get Lofty's height  高个子的身高
    printf("Enter Lofty's height to the top of his/her head, in whole feet: ");
    scanf("%ld", &feet);
    printf("                                            ...and then inches: ");
    scanf("%ld", &inches);
    lofty = feet*inches_per_foot + inches;

    // Get Shorty's height up to his/her eyes   //矮子的身高到他的眼睛距离
    printf("Enter Shorty's height up to his/her eyes, in whole feet: ");
    scanf("%ld", &feet);
    printf("                                    ... and then inches: ");
    scanf("%ld", &inches);
    shorty = feet*inches_per_foot + inches;

    // Get the distance from Shorty to Lofty   //高个子和矮子的距离
    printf("Enter the distance between Shorty and Lofty, in whole feet: ");
    scanf("%ld",&feet)；
    printf("                                       ... and then inches: ");//这一行怎么不对了，编译还是不执行
    scanf("%ld", &inches);
    shorty_to_lofty = feet*inches_per_foot + inches;

    // Get the distance from Lofty to the tree   //高个子到树的距离
    printf("Finally enter the distance from Lofty to the tree to the nearest foot: ");
    scanf("%ld", &feet);
    lofty_to_tree = feet*inches_per_foot;

    // Calculate the height of the tree in inches  //在英寸计算树的高度
    tree_height = shorty+(shorty_to_lofty + lofty_to_tree)*(lofty-shorty)/
                                                              shorty_to_lofty;

    // Display the result in feet and inches  //英尺和英寸的显示结果
    printf("The height of the tree is %Ld feet and %Ld inches.\n",
                                           tree_height/inches_per_foot,tree_height% inches_per_foot);

    return 0;
}

[ 本帖最后由 pytao1991 于 2015-9-13 23:00 编辑 ]

非常感谢，已经可以了。哈哈，我都快睡不着觉了。刚开始学习