#include <iostream>
#include <cstring>
#ifndef _LIST_H_
#define _LIST_H_
struct list_node_tag {
void *data; size_t size;
struct list_node_tag *next;
};
typedef struct {
struct list_node_tag *head;
size_t size;
} list_t;
list_t *list_init(void);
void list_deinit(list_t *list);
bool list_clean(list_t *list);
bool list_insert(list_t *list, size_t index, const void *data, size_t size);
bool list_delete(list_t *list, size_t index);
bool list_get(const list_t *list, size_t index, void *data, size_t size);
bool list_set(list_t *list, size_t index, const void *data, size_t size);
bool list_append(list_t *list, const void *data, size_t size);
size_t list_size(const list_t *list);
bool list_empty(const list_t *list);
#endif
list_t *list_init(void) {
list_t *list = (list_t *)malloc(sizeof(*list));
if(!list) return NULL;
list->head = NULL;
list->size = 0;
return list;
}
void list_deinit(list_t *list) {
if(!list) return;
list_clean(list);
free(list);
}
bool list_clean(list_t *list) {
if(!list) return false;
while(!list_empty(list)) list_delete(list, 0);
return true;
}
bool list_insert(list_t *list, size_t index, const void *data, size_t size) {
if(!list) return false;
if(list_size(list) < index) return false;
if(!data) return false;
struct list_node_tag **current = &list->head;
while(index--) current = &(*current)->next;
struct list_node_tag *node = (struct list_node_tag *)malloc(sizeof(*node));
if(!node) return false;
node->data = malloc(size);
if(!node->data) {free(node); return false;}
memcpy(node->data, data, size);
node->size = size;
node->next = *current;
*current = node;
++list->size;
return true;
}
bool list_delete(list_t *list, size_t index) {
if(!list) return false;
if(list_size(list) <= index) return false;
struct list_node_tag **current = &list->head;
while(index--) current = &(*current)->next;
struct list_node_tag *temp = *current;
*current = temp->next;
free(temp->data); free(temp);
--list->size;
return true;
}
bool list_get(const list_t *list, size_t index, void *data, size_t size) {
if(!list) return false;
if(list_size(list) <= index) return false;
if(!data) return false;
struct list_node_tag *const *current = &list->head;
while(index--) current = &(*current)->next;
struct list_node_tag *temp = *current;
if(temp->size > size) return false;
memcpy(data, temp->data, temp->size);
return true;
}
bool list_set(list_t *list, size_t index, const void *data, size_t size) {
bool res = list_delete(list, index);
return res ? list_insert(list, index, data, size) : res;
}
bool list_append(list_t *list, const void *data, size_t size) {
if(!list) return false;
return list_insert(list, list_size(list), data, size);
}
size_t list_size(const list_t *list) {
if(!list) return 0;
return list->size;
}
bool list_empty(const list_t *list) {
if(!list) return true;
return list_size(list) == 0;
}
list_t *split(const char *str, char sep) {
list_t *res = list_init();
const char *begin = str;
for(size_t i = 0; ; ++i) {
if(*begin == '\0') break;
if(str[i] == '\0' || str[i] == sep) {
size_t size = &str[i] - begin;
char *temp = (char *)malloc(size + 1);
memcpy(temp, begin, size);
temp[size] = '\0';
list_append(res, temp, size + 1);
free(temp);
begin = str[i] != '\0' ? &str[i] + 1 : &str[i];
}
}
return res;
}
void split_equals(const list_t *list, list_t *left, list_t *raw_right) {
char buff[1024];
list_clean(left); list_clean(raw_right);
for(size_t i = 0; i < list_size(list); ++i) {
list_get(list, i, buff, 1024);
list_t *temp = split(buff, '=');
list_get(temp, 0, buff, 1024);
list_append(left, buff, strlen(buff) + 1);
if(list_size(temp) == 2) {
list_get(temp, 1, buff, 1024);
list_append(raw_right, buff, strlen(buff) + 1);
} else list_append(raw_right, " ", 2);
list_deinit(temp);
}
}
void output(const list_t *left, const list_t *raw_right) {
size_t count = 0;
char buff[1024];
for(size_t i = 0; i < list_size(left); ++i) {
list_get(left, i, buff, 1024);
size_t temp = strlen(buff);
count = count < temp ? temp : count;
}
for(size_t i = 0; i < list_size(left); ++i) {
list_get(left, i, buff, 1024);
std::cout << '[' << buff;
size_t space_count = count - strlen(buff);
for(size_t j = 0; j < space_count; ++j) std::cout << ' ';
std::cout << "] equals [";
list_get(raw_right, i, buff, 1024);
list_t *right = split(buff, '+');
const char *sep = "";
for(size_t j = 0; j < list_size(right); ++j) {
list_get(right, j, buff, 1024);
std::cout << sep << buff;
sep = " ";
}
list_deinit(right);
std::cout << ']' << std::endl;
}
}
int main(void) {
char buff[1024]; fgets(buff, 1024, stdin);
buff[strlen(buff) - 1] = '\0';
list_t *list = split(buff, '&');
list_get(list, 0, buff, 1024);
list_t *temp = split(buff, '?');
list_get(temp, 1, buff, 1024);
list_set(list, 0, buff, strlen(buff) + 1); // 去掉?前面的内容
list_deinit(temp);
list_t *left = list_init();
list_t *raw_right = list_init();
split_equals(list, left, raw_right);
list_deinit(list);
output(left, raw_right);
list_deinit(raw_right);
list_deinit(left);
return 0;
}