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  1. //  <---   BISMILLAHIR RAHMANIR RAHIM  --->
  2.  
  3.  
  4. #include <bits/stdc++.h>
  5. using namespace std;
  6. typedef long long ll;
  7. #define optimize() ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
  8.  
  9. void solve() {
  10.     ll n ;
  11.     cin >> n ;
  12.     vector<ll> a(n);
  13.     for(int i = 0; i < n; i++ ) {
  14.         cin >> a[i];
  15.     }
  16.     if(a[0] == 0) {
  17.         ll ans = 0;
  18.         for(int i = 0; i < n; i++ ) {
  19.             if(a[i] == 0) {
  20.                 ans++;
  21.                 // cout << ans <<" "<< i << "\n";
  22.             }
  23.             else {
  24.                 for(int j = i; j < n; j++) {
  25.                     ans += a[j];
  26.                     // cout << ans <<" " << "\n";
  27.                 }
  28.                 cout << ans << '\n';
  29.                 return;
  30.             }
  31.         }
  32.         cout << ans << '\n';
  33.         return;
  34.     }
  35.     ll scr = 0;
  36.     for(int i = 0; i < n; i++) {
  37.         scr += a[i];
  38.     }
  39.     cout << scr << '\n';
  40. }
  41.  
  42. int main() {
  43.     optimize();
  44.     int t;
  45.     cin >> t;
  46.     // int i = 0;
  47.     while(t--) {
  48.         // mem(v, 0);
  49.         // cout << "Case " << ++i <<":" << endl;
  50.         solve();
  51.     }
  52. }
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https://ideone.com/XTaXtX
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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