C程序设计语言学习--导言（4）

统计单词长度，输出直方图.输出垂直直方图的方法和像素扫描一样，可以计算出最高的那行，然后一行一行的输出

#include

#define IN 1
#define OUT 0
#define MAXLEN 20

int word[MAXLEN];

int main(void)
{
    int c,i;
    int stat;
    int wc,maxvalue,overload;
    stat = OUT;
    overload = 0;


    for(i = 0;i < MAXLEN;i ++)
        word[i] = 0;


    while((c = getchar()) != EOF){
        if(c == ' ' || c == '\n' || c == '\t'){
            stat = OUT;
            if(wc > 0){
                if(wc < MAXLEN){
                //printf("wc %d \n",wc);
                word[wc]++;
            }else{
            overload ++;
            }
    }
        wc = 0;
    }else if(stat == OUT){
        stat = IN;
        wc = 1;
    }else{
        wc ++;
    }
}

    maxvalue = 0;
    for(i = 0;i < MAXLEN;i ++){
        if(word[i] > maxvalue){    
            maxvalue = word[i];
        }
    }
    int j;
    for(i = maxvalue;i > 0;i --){
        printf("%d |",i);
        for(j = 0;j < MAXLEN;j ++){
            if(word[j] >= i)
                printf("*   ");
            else
                printf("    ");
      }
        printf("\n");    
    }

    printf("   ------------------------------------------------------------------------------------\n");
    printf("    ");
    for(i = 0;i < MAXLEN;i ++){
        printf("%d   ",i);
    }
    printf("\n");

    printf("the overload word  %d  \n",overload);
    return 0;
}