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  1. #include <bits/stdc++.h>
  2. #define MAX 10000001
  3. #define ll long long
  4. #define fastsync()                    \
  5.     ios_base::sync_with_stdio(false); \
  6.     cin.tie(NULL);                    \
  7.     cout.tie(NULL);
  8. const int mod = 1e9 + 7;
  9. using namespace std;
  10.  
  11. struct sp {
  12.     string ms, ten, gia;
  13. };
  14.  
  15. struct node {
  16.     sp data;
  17.     node *next;
  18. };
  19.  
  20. void nhap(sp &x) {
  21.     getline(cin, x.ms);
  22.     getline(cin, x.ten);
  23.     getline(cin, x.gia);
  24. }
  25.  
  26. node *makeNode(sp x) {
  27.     node *newnode = new node;
  28.     newnode->next = NULL;
  29.     newnode->data = x;
  30.     return newnode;
  31. }
  32.  
  33. void in(node *x) {
  34.     cout << x->data.ms << ' ' << x->data.ten << ' ' << x->data.gia << endl;
  35. }
  36.  
  37. void duyet(node *head) {
  38.     while (head != NULL) {
  39.         in(head);
  40.         head = head->next;
  41.     }
  42. }
  43.  
  44. void themdau(node *&head, sp x) {
  45.     node *newnode = makeNode(x);
  46.     newnode->next = head;
  47.     head = newnode;
  48. }
  49.  
  50. void xoadau(node *&head) {
  51.     if (head == NULL)
  52.         return;
  53.     node *tmp = head;
  54.     head = tmp->next;
  55.     delete tmp;
  56. }
  57.  
  58. void tim(node *head, string s) {
  59.     while (head != NULL) {
  60.         if (head->data.ten == s) {
  61.             in(head);
  62.             return;
  63.         }
  64.         head = head->next;
  65.     }
  66.     cout << -1;
  67. }
  68.  
  69. int main() {
  70.     fastsync();
  71.     node *head = NULL;
  72.     int c;
  73.     while (1) {
  74.         cin >> c;
  75.         cin.ignore();
  76.         if (c == 1) {
  77.             int sl;
  78.             cin >> sl;
  79.             cin.ignore();
  80.             cout << sl << endl;
  81.             while (sl--) {
  82.                 sp moi;
  83.                 nhap(moi);
  84.                 themdau(head, moi);
  85.             }
  86.         }
  87.         else if (c == 2) {
  88.             string ten;
  89.             getline(cin, ten);
  90.             tim(head, ten);
  91.         }
  92.         else {
  93.             xoadau(head);
  94.             duyet(head);
  95.             return 0;
  96.         }
  97.     }
  98.     return 0;
  99. }
Success #stdin #stdout 0.01s 5500KB
comments (?)
stdin 
1
3
1
but
10000
2
vo
50000
3
tay
30000
2
but
3
stdout 
3
1 but 10000
2 vo 50000
1 but 10000
https://ideone.com/YY1Cxt
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
public

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