c-programming

Simple C programs
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word-length-histogram.c (1995B)

      1 #include <stdio.h>
      2 
      3 #define IN_WORD 0
      4 #define OUT_WORD 1
      5 #define MAX_WORD_LENGTH 20
      6 
      7 int main(){
      8 
      9     char c;
     10     int status = OUT_WORD;
     11     int wordLengths [MAX_WORD_LENGTH];
     12     int currentLength = 0;
     13 
     14     for(int i = 0 ; i < MAX_WORD_LENGTH; ++i){
     15         wordLengths[i] = 0;
     16     }
     17 
     18     while((c = getchar()) != EOF){
     19         if(status == OUT_WORD){
     20             if(c != ' ' && c != '\t' && c != '\n'){
     21                 status = IN_WORD;
     22                 currentLength = 1;
     23             }
     24         }
     25         else{
     26             if(c == '\t' || c == '\n' || c == ' '){
     27                 status = OUT_WORD;
     28                 // if it's too long, just don't count it.
     29                 if (currentLength < MAX_WORD_LENGTH){
     30                     wordLengths[currentLength] += 1;
     31                 }
     32 
     33             }
     34             else{
     35                 currentLength += 1;
     36             }
     37         }
     38 
     39     }
     40 
     41     if (currentLength != 0){
     42         // if it's too long, just don't count it.
     43         if (currentLength < MAX_WORD_LENGTH){
     44             wordLengths[currentLength] += 1;
     45         }
     46         currentLength = 0;
     47     }
     48 
     49     // horizontal print
     50     //for(int i = 0 ; i < MAX_WORD_LENGTH; ++i){
     51     //    printf("\n%5d: ", i);
     52     //    for(int x = 0 ; x < wordLengths[i] ; ++x){
     53     //        printf("x");
     54     //    }
     55     //}
     56     //printf("\n");
     57 
     58 
     59 
     60     // vertical print
     61     
     62     int max = 0;
     63     for(int i = 0 ; i < MAX_WORD_LENGTH; ++i){
     64         if(wordLengths[i] > max){
     65             max = wordLengths[i];
     66         }
     67     }
     68 
     69     int current = max;
     70 
     71     for(int i = max ; i > 0; --i){
     72         printf("\n");
     73         for(int x = 0 ; x < MAX_WORD_LENGTH; ++x){
     74             if(wordLengths[x] > i){
     75                 char p = 'x';
     76                 printf("%3c", p);
     77             }
     78             else{
     79                 char p = ' ';
     80                 printf("%3c", p);
     81             }
     82         }
     83     }
     84     printf("\n");
     85 
     86     for(int x = 0 ; x < MAX_WORD_LENGTH; ++x){
     87         printf("%3d", x);
     88     }
     89 
     90 
     91     printf("\n");
     92 
     93 
     94     return 0;
     95 }