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  1. // Quiz 2 Nomor A - Bezaleel Steven Jadimadapot Sihotang
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. int main() {
  6.     unsigned int n;
  7.     cin >> n;
  8.  
  9.     unsigned int a[n];
  10.     for (int i = 0; i < n; i++) {
  11.         cin >> a[i];
  12.     }
  13.  
  14.     bool gym_is_opened; bool IT_contest_is_carried_out;
  15.     unsigned int rest = 0;
  16.     if (a[0] == 0) {
  17.         gym_is_opened = false;
  18.         IT_contest_is_carried_out = false;
  19.         rest++;
  20.     }
  21.     if (a[0] == 1) {
  22.         gym_is_opened = false;
  23.         IT_contest_is_carried_out = true;
  24.     }
  25.     if (a[0] == 2) {
  26.         gym_is_opened = true;
  27.         IT_contest_is_carried_out = false;
  28.     }
  29.     if (a[0] == 3) {
  30.         gym_is_opened = true;
  31.         IT_contest_is_carried_out = true;
  32.     }
  33.  
  34.     if (a[1] == 1) {
  35.         gym_is_opened = false;
  36.         IT_contest_is_carried_out = true;
  37.         if (a[1] == a[0]) {
  38.             if (IT_contest_is_carried_out) {
  39.                 IT_contest_is_carried_out = false;
  40.             }
  41.         }
  42.     }
  43.     if (a[1] == 2) {
  44.         gym_is_opened = true;
  45.         IT_contest_is_carried_out = false;
  46.         if (a[1] == a[0]) {
  47.             if (gym_is_opened) {
  48.                 gym_is_opened = false;
  49.             }
  50.         }
  51.     }
  52.     if (a[1] == 3) {
  53.         gym_is_opened = true;
  54.         IT_contest_is_carried_out = true;
  55.         if (a[1] == a[0]) {
  56.             if (gym_is_opened) {
  57.                 gym_is_opened = false;
  58.             }
  59.             if (IT_contest_is_carried_out) {
  60.                 IT_contest_is_carried_out = false;
  61.             }
  62.         }
  63.     }
  64.     if (not IT_contest_is_carried_out && not gym_is_opened) {
  65.         rest++;
  66.     }
  67.     if (a[1] == 0) {
  68.         gym_is_opened = false;
  69.         IT_contest_is_carried_out = false;
  70.         rest++;
  71.     }
  72.  
  73.     for (int i = 2; i < n; i++) {
  74.         if (a[i] == 0) {
  75.             gym_is_opened = false;
  76.             IT_contest_is_carried_out = false;
  77.             rest++;
  78.             continue;
  79.         }
  80.         if (a[i] == 1) {
  81.             gym_is_opened = false;
  82.             IT_contest_is_carried_out = true;
  83.             if (a[i] == a[i - 1] || a[i] == a[i - 2]) {
  84.                 if (gym_is_opened) {
  85.                     gym_is_opened = false;
  86.                 }
  87.                 if (IT_contest_is_carried_out) {
  88.                     IT_contest_is_carried_out = false;
  89.                 }
  90.             }
  91.         }
  92.         if (a[i] == 2) {
  93.             gym_is_opened = true;
  94.             IT_contest_is_carried_out = false;
  95.             if (a[i] == a[i - 1] || a[i] == a[i - 2]) {
  96.                 if (gym_is_opened) {
  97.                     gym_is_opened = false;
  98.                 }
  99.                 if (IT_contest_is_carried_out) {
  100.                     IT_contest_is_carried_out = false;
  101.                 }
  102.             }
  103.         }
  104.         if (a[i] == 3) {
  105.             gym_is_opened = true;
  106.             IT_contest_is_carried_out = true;
  107.             if (a[i] == a[i - 1] || a[i] == a[i - 2]) {
  108.                 if (gym_is_opened) {
  109.                     gym_is_opened = false;
  110.                 }
  111.                 if (IT_contest_is_carried_out) {
  112.                     IT_contest_is_carried_out = false;
  113.                 }
  114.             }
  115.         }
  116.         if (not IT_contest_is_carried_out && not gym_is_opened) {
  117.             rest++;
  118.         }
  119.     }
  120.  
  121.     cout << rest;
  122. }
Success #stdin #stdout 0s 5316KB
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https://ideone.com/nqjevF
language:
C++ (gcc 8.3)
created:
18 hours ago
visibility:
public

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