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+ 0 comments Just a humble request to all others who have solved questions like these, please refrain from showing the solutions or giving links to it here in the discussion as it destroys the purpose of solving such problems. Please try to give only intuitions to guide those who need assistance rather than giving them the code.
Thank you, Sincerely, akshay_123
+ 2 comments Store all the array indices where the number is greater than k. From there, go on to check the number of subarrays which must contain atleast one of these numbers.
+ 0 comments include
using namespace std;
define ll long long
define no cout<<"No"<
define yes cout<<"Yes"<
define mod 1000000007
define nt 10 define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)void solve() { vectorv; sets; mapmp; ll n,m,j,i,y,z,l,r,d,x,k; cin>>n>>k; ll a[n+1]; ll c=0; for(i=0;i>a[i]; if(a[i]>k)c++; } x=0; ll mx=-1,ans=0; for(i=0;ik) { ans+=(i-mx)*(n-i); mx=i; } } cout<
} int main() { fast; int T=1; cin>>T; while(T--)solve(); return 0; }
+ 0 comments Hint: prefix array
+ 0 comments ruby:
gets.to_i.times do n,k = gets.strip.split.map &:to_i a = gets.strip.split.map &:to_i max, prev = (1..n).reduce(:+), 0 for i in 0...n do if a[i] > k max -= (1..prev).reduce(:+) || 0 prev = 0 else prev +=1 end i += 1 end max -= (1..prev).reduce(:+) || 0 puts max end
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