1-13 编写一个程序，打印输入中单词长度的直方图

#include<stdio.h>


#define MAX 7
#define MIN 0


int main()
{
    int nw[10];
    int num = 0;
    int nc = 0;
    int c = 0;
    int i, j= 0;

    for( i=0; i<10; i++ ){
        nw[i] = 0;
    }
    
    while( (c = getchar()) != EOF )     //将每个单词的字符数存入数组
    {
        nc++;
        if( c == ' ' || c == '\n' ){
            nw[num] = nc - 1;
            if( nw[num] == nc - 1 ){ nc = 0; }
            num++;
        }
    }

    /*  //验证数组内单词字符数是否正确
    for( j=0; j<10; j++){
        printf("%d ", nw[j]);
    }
    */

    printf("\n            直方图\n      ^\n      |\n");     //直方图打印
    for( i=MAX; i>0; i-- ){     //列
        printf( "    %d |", i );
        for( j=0; j<10; j++ ){
            if( nw[j] >= i ){
                printf(" #");
            }
            else{
                printf("  ");
            }
        }
        puts("");
    }
    printf( "      +----------------------->\n     %d  ", MIN );    //行
    for( i=MIN+1; i<=10; i++ ){     
        printf("%d ", i );
    }

    puts("");


    return 0;
}