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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int              long long int
  4. #define double           long double
  5. #define print(a)         for(auto x : a) cout << x << " "; cout << endl
  6. inline int power(int a, int b) {
  7.     int x = 1;
  8.     while (b) {
  9.         if (b & 1) x *= a;
  10.         a *= a;
  11.         b >>= 1;
  12.     }
  13.     return x;
  14. }
  15.  
  16.  
  17. const int M = 1000000007;
  18. const int N = 3e5+9;
  19. const int INF = 2e9+1;
  20. const int LINF = 2000000000000000001;
  21.  
  22. //_ ***************************** START Below *******************************
  23.  
  24. vector<int> a;
  25.  
  26. int consistency(int n, int k){
  27.  
  28.     int sum = 0;
  29.     int s = 0, e = 0;
  30.     int ans = 0;
  31.  
  32.     while(e<n){
  33.         sum += a[e];
  34.         if(sum < k){
  35.             ans = max(ans, e-s+1);
  36.             e++;
  37.         }
  38.         else{
  39.             while(s<=e && sum > k){
  40.                 sum -= a[s];
  41.                 s++;
  42.             }
  43.             if(sum <= k){
  44.                 ans = max(ans, e-s+1);
  45.             }
  46.             e++;
  47.         }
  48.     }
  49.  
  50.     return ans;
  51. }
  52.  
  53.  
  54.  
  55.  
  56.  
  57.  
  58.  
  59.  
  60.  
  61.  
  62. int practice(int n, int m){
  63.  
  64.     return 0;
  65. }
  66.  
  67.  
  68.  
  69. void solve() {
  70.  
  71.     int n, m;
  72.     cin>>n >> m;
  73.  
  74.     a.resize(n);
  75.     for(int i=0; i<n; i++) cin >> a[i];
  76.  
  77.     cout << consistency(n, m) << endl;
  78.  
  79.  
  80. }
  81.  
  82.  
  83.  
  84.  
  85.  
  86. int32_t main() {
  87.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  88.  
  89.     int t = 1;
  90.     // cin >> t;
  91.     while (t--) {
  92.         solve();
  93.     }
  94.  
  95.     return 0;
  96. }
Success #stdin #stdout 0.01s 5312KB
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https://ideone.com/wMmjih
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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