fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main(){
  4.     ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  5.     long long n, m, l;
  6.     cin >> n >> m >> l; long long arr[n];
  7.     for (int i = 0; i < n; i++)
  8.         cin >> arr[i];
  9.     int c = 0, d = 0; bool f = 0;
  10.     for (int i = 0; i < n; i++){
  11.         if (!f && arr[i] > l){
  12.             f = 1;
  13.             d++;
  14.         }
  15.         else if (f && arr[i] > l){
  16.             d++;
  17.         }
  18.         else if (f && arr[i] <= l){
  19.             c++;
  20.             d = 0;
  21.             f = 0;
  22.         }
  23.         if (i == n - 1 && d)
  24.             c++;
  25.     }
  26.     while(m--){
  27.         int q; cin >> q;
  28.         if (!q)
  29.             cout << c << '\n';
  30.         else{
  31.             long long p, d;
  32.             cin >> p >> d;
  33.             --p;
  34.             arr[p] += d;
  35.             if (!p){
  36.                 if (n == 1){
  37.                     if (arr[p] - d <= l && arr[p] > l)
  38.                         c++;
  39.                 }
  40.                 else{
  41.                     if (arr[p] - d <= l && arr[p] > l && arr[p + 1] <= l)
  42.                         c++;
  43.                 }
  44.             }
  45.             if (p == n - 1){
  46.                 if (n == 1){
  47.                     if (arr[p] - d <= l && arr[p] > l)
  48.                         c++;
  49.                 }
  50.                 else{
  51.                     if (arr[p] - d <= l && arr[p] > l && arr[p - 1] <= l)
  52.                         c++;
  53.                 }
  54.             }
  55.             if (!p || p == n - 1)continue;
  56.             if (arr[p - 1] > l && arr[p + 1] > l && arr[p] - d <= l && arr[p] > l)
  57.                     c--;
  58.  
  59.             if (arr[p - 1] <= l && arr[p + 1] <= l && arr[p] - d <= l && arr[p] > l)
  60.                     c++;
  61.         }
  62.     }
  63.     return 0;
  64. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
copy 
4 7 3
1 2 3 4
0
1 2 3
0
1 1 3
0
1 3 1
0
stdout
copy 
1
2
2
1
https://ideone.com/BlSehh
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!