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structdoc.c
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structdoc.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define MAX_CHARACTERS 1005
#define MAX_PARAGRAPHS 5
struct word {
char* data;
};
struct sentence {
struct word* data;
int word_count;//denotes number of words in a sentence
};
struct paragraph {
struct sentence* data ;
int sentence_count;//denotes number of sentences in a paragraph
};
struct document {
struct paragraph* data;
int paragraph_count;//denotes number of paragraphs in a document
};
struct word get_word(char* text, int beg, int end)
{
struct word answer;
answer.data = calloc(end - beg + 2, sizeof(char));
int index = 0;
int i;
for (i = beg; i <= end; i++)
answer.data[index++] = text[i];
answer.data[index] = '\0';
return answer;
}
struct sentence get_sentence(char* text, int beg, int end)
{
struct sentence answer;
answer.word_count = 1;
int i;
for (i = beg; i <= end; i++)
if (text[i] == ' ')
++answer.word_count;
answer.data = calloc(answer.word_count, sizeof(struct word));
int start = beg;
int index = 0;
for (i = beg; i <= end; i++)
if (text[i] == ' ')
{
answer.data[index++] = get_word(text, start, i - 1);
start = i + 1;
}
answer.data[index] = get_word(text, start, i - 1);
return answer;
}
struct paragraph get_paragraph(char* text, int beg, int end)
{
struct paragraph answer;
answer.sentence_count = 0;
int i;
for (i = beg; i <= end; i++)
if (text[i] == '.')
++answer.sentence_count;
answer.data = calloc(answer.sentence_count, sizeof(struct sentence));
int start = beg;
int index = 0;
for (i = beg; i <= end; i++)
if (text[i] == '.')
{
answer.data[index++] = get_sentence(text, start, i - 1);
start = i + 1;
}
return answer;
}
struct document get_document(char* text)
{
struct document answer;
answer.paragraph_count = 1;
int i;
for (i = 0; text[i]; i++)
if (text[i] == '\n')
++answer.paragraph_count;
answer.data = calloc(answer.paragraph_count, sizeof(struct paragraph));
int start = 0;
int index = 0;
for (i = 0; text[i]; i++)
if (text[i] == '\n')
{
answer.data[index++] = get_paragraph(text, start, i - 1);
start = i + 1;
}
answer.data[index] = get_paragraph(text, start, i - 1);
return answer;
}
struct word kth_word_in_mth_sentence_of_nth_paragraph(struct document Doc, int k, int m, int n)
{
return Doc.data[n-1].data[m-1].data[k-1];
}
struct sentence kth_sentence_in_mth_paragraph(struct document Doc, int k, int m)
{
return Doc.data[m-1].data[k-1];
}
struct paragraph kth_paragraph(struct document Doc, int k)
{
return Doc.data[k-1];
}
void print_word(struct word w) {
printf("%s", w.data);
}
void print_sentence(struct sentence sen) {
for(int i = 0; i < sen.word_count; i++) {
print_word(sen.data[i]);
if (i != sen.word_count - 1) {
printf(" ");
}
}
}
void print_paragraph(struct paragraph para) {
for(int i = 0; i < para.sentence_count; i++){
print_sentence(para.data[i]);
printf(".");
}
}
void print_document(struct document doc) {
for(int i = 0; i < doc.paragraph_count; i++) {
print_paragraph(doc.data[i]);
if (i != doc.paragraph_count - 1)
printf("\n");
}
}
char* get_input_text() {
int paragraph_count;
scanf("%d", ¶graph_count);
char p[MAX_PARAGRAPHS][MAX_CHARACTERS], doc[MAX_CHARACTERS];
memset(doc, 0, sizeof(doc));
getchar();
for (int i = 0; i < paragraph_count; i++) {
scanf("%[^\n]%*c", p[i]);
strcat(doc, p[i]);
if (i != paragraph_count - 1)
strcat(doc, "\n");
}
char* returnDoc = (char*)malloc((strlen (doc)+1) * (sizeof(char)));
strcpy(returnDoc, doc);
return returnDoc;
}
int main()
{
char* text = get_input_text();
struct document Doc = get_document(text);
int q;
scanf("%d", &q);
while (q--) {
int type;
scanf("%d", &type);
if (type == 3){
int k, m, n;
scanf("%d %d %d", &k, &m, &n);
struct word w = kth_word_in_mth_sentence_of_nth_paragraph(Doc, k, m, n);
print_word(w);
}
else if (type == 2) {
int k, m;
scanf("%d %d", &k, &m);
struct sentence sen= kth_sentence_in_mth_paragraph(Doc, k, m);
print_sentence(sen);
}
else{
int k;
scanf("%d", &k);
struct paragraph para = kth_paragraph(Doc, k);
print_paragraph(para);
}
printf("\n");
}
}