50011. Spell Checker
難度：3.5/51
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125#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <assert.h>
int n, q;
char dict[100005][105];
char dict_size[100005];
inline static void ipt(){
scanf("%d", &n);
for(int i = 0; i < n; i++){
scanf("%s", dict[i]);
dict_size[i] = strlen(dict[i]);
}
scanf("%d", &q);
}
inline static bool cmp_same(char a[], int size_a, char b[], int size_b){
if(size_a != size_b) return false;
for(int i = 0; i < size_a; i++){
if(a[i] != b[i]) return false;
}
return true;
}
inline static bool cmp_ignore(char a[], int size_a, char b[], int size_b){
if(size_a != size_b) return false;
bool ignored = false;
for(int i = 0; i < size_a; i++){
if(a[i] != b[i]){
if(ignored == true){
return false;
}
else{
ignored = true;
}
}
}
return true;
}
inline static bool cmp_remove(char a[], int size_a, char b[], int size_b){
if(size_a - 1 != size_b) return false;
bool removed = false;
int ptr_a = 0, ptr_b = 0;
for(int i = 0; i < size_a; i++){
if(a[ptr_a] == b[ptr_b]){
ptr_a++;
ptr_b++;
}
else{
if(removed == true) return false;
else{
removed = true;
ptr_a++;
}
}
}
return true;
}
inline static bool cmp_add(char a[], int size_a, char b[], int size_b){
if(size_a + 1 != size_b) return false;
bool added = false;
int ptr_a = 0, ptr_b = 0;
for(int i = 0; i < size_b; i++){
if(a[ptr_a] == b[ptr_b]){
ptr_a++;
ptr_b++;
}
else{
if(added == true) return false;
else{
added = true;
ptr_b++;
}
}
}
return true;
}
void query(char target[]){
int t_size = strlen(target);
for(int i = 0; i < n; i++){
if(cmp_same(target, t_size, dict[i], dict_size[i])){
printf(">%s\n", target);
return;
}
}
int cnt = 0;
for(int i = 0; i < n; i++){
if(cmp_ignore(target, t_size, dict[i], dict_size[i]) || cmp_remove(target, t_size, dict[i], dict_size[i]) || cmp_add(target, t_size, dict[i], dict_size[i])){
if(cnt == 0){
printf("?%s", dict[i]);
}
else{
printf(" %s", dict[i]);
}
cnt++;
}
}
if(cnt == 0){
printf("!%s", target);
}
printf("\n");
}
int main(){
ipt();
char query_string[105];
for(int i = 0; i < q; i++){
scanf("%s", query_string);
query(query_string);
}
}