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#include <stdio.h> #include <stdlib.h> #include <string.h> #include<assert.h> #define MAX_CHARACTERS 1005 #define MAX_PARAGRAPHS 5 char* kth_word_in_mth_sentence_of_nth_paragraph(char**** document, int k, int m, int n) { return document[n-1][m-1][k-1]; } char** kth_sentence_in_mth_paragraph(char**** document, int k, int m) { return document[m-1][k-1]; } char*** kth_paragraph(char**** document, int k) { return document[k-1]; } char* get_word(char *text,int beg,int end){ char* answer; answer=calloc(end-beg+1, sizeof(char)); int i,idex=0; for(i=beg;i<=end;i++){ answer[idex++]=text[i]; } return answer; } char** get_sentences(char *text,int beg,int end){ char** answer; int word_count=1; int i; for(i=beg;i<=end;i++){ if(text[i]==' ') word_count++; } answer=calloc(word_count, sizeof(char*)); int start=beg,idex=0; for(i=beg;i<=end;i++){ if(text[i]==' '){ answer[idex++]=get_word(text, start, i-1); start=i+1; } } answer[idex]=get_word(text, start, i-1); return answer; } char*** get_paragraphs(char* text,int beg,int end){ char*** answer; int sentence_count=0; int i; for(i=beg;i<=end;i++){ if(text[i]=='.') sentence_count++; } answer=calloc(sentence_count, sizeof(char**)); int start=beg,idex=0; for(i=beg;i<=end;i++){ if(text[i]=='.'){ answer[idex++]=get_sentences(text, start, i-1); start=i+1; } } return answer; } char**** get_document(char* text) { char**** answer; int paragraph_count=1; int i; for(i=0;i<strlen(text);i++){ if(text[i]=='\n'){ paragraph_count++; } } answer=calloc(paragraph_count, sizeof(char***)); int idex=0,start=0; for(i=0;i<strlen(text);i++){ if(text[i]=='\n'){ answer[idex++]=get_paragraphs(text, start, i-1); start=i+1; } } answer[idex]=get_paragraphs(text, start, i-1); return answer; } 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; } void print_word(char* word) { printf("%s", word); } void print_sentence(char** sentence) { int word_count; scanf("%d", &word_count); for(int i = 0; i < word_count; i++){ printf("%s", sentence[i]); if( i != word_count - 1) printf(" "); } } void print_paragraph(char*** paragraph) { int sentence_count; scanf("%d", &sentence_count); for (int i = 0; i < sentence_count; i++) { print_sentence(*(paragraph + i)); printf("."); } } int main() { char* text = get_input_text(); char**** document = 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); char* word = kth_word_in_mth_sentence_of_nth_paragraph(document, k, m, n); print_word(word); } else if (type == 2){ int k, m; scanf("%d %d", &k, &m); char** sentence = kth_sentence_in_mth_paragraph(document, k, m); print_sentence(sentence); } else{ int k; scanf("%d", &k); char*** paragraph = kth_paragraph(document, k); print_paragraph(paragraph); } printf("\n"); } }
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Querying the Document
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