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  1. #include <iostream>
  2. #include <bits/stdc++.h>
  3. #define fastio() ios_base::sync_with_stdio(0);cin.tie(0);cout.tie()
  4.  
  5.  
  6.  
  7. using namespace std;
  8. typedef long long ll;
  9.  
  10.  
  11. void File(){
  12.     #ifndef ONLINE_JUDGE
  13.         freopen("input.txt", "r", stdin);
  14.         freopen("output.txt", "w", stdout);
  15.     #endif
  16. }
  17.  
  18. int solve() {  
  19.     int n;
  20.     cin>>n;
  21.     vector<int> v(n),temp;
  22.     set<int> set;
  23.  
  24.     for(int i=0;i<n;i++){
  25.         cin>>v[i];
  26.         set.insert(v[i]);
  27.     }
  28.     stack<int> stack;
  29.  
  30.     for(auto i:set){
  31.     	stack.push(i);
  32.     }
  33.  
  34.     ll mx=0,counter=0,mxArea=0;
  35.  
  36.     while(!stack.empty()){
  37.         for(int i=0;i<n;i++){
  38.             if(v[i]>=stack.top()){
  39.                 temp.push_back(1);
  40.             }else{
  41.                 temp.push_back(0);
  42.             }
  43.         }
  44.  
  45.         for(int i=0;i<n;i++){
  46.             if(temp[i]==1){
  47.                 counter++;
  48.             }else if(counter!=0 && mx<counter){
  49.                 mx=counter;
  50.                 counter=0;
  51.             }else{
  52.                 counter=0;
  53.             }
  54.         }
  55.         if(counter!=0 && mx<counter){
  56.             mx=counter;
  57.         }
  58.  
  59.         mxArea=max(mxArea,(stack.top()*mx));
  60.  
  61.         stack.pop();
  62.         temp.clear();
  63.         mx=0;
  64.         counter=0;
  65.     }
  66.     cout<<mxArea<<endl;
  67.     return 0;
  68. }
  69.  
  70. int main() {
  71.     fastio();
  72.     File();
  73.     int32_t t=1;
  74.     cin>>t;
  75.     for(auto i=t;i--;){
  76.         solve();
  77.     }
  78. }
  79.  
  80.  
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/GyGFoG
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
secret

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