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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. // cout << a[0] << '\n';
  17. if(a[0] == 0) {
  18. ll ans = 0;
  19. for(int i = 0; i < n; i++ ) {
  20. if(a[i] == 0) {
  21. ans++;
  22. // cout << ans <<" "<< i << "\n";
  23. }
  24. else {
  25. for(int j = i; j < n; j++) {
  26. ans += a[j];
  27. // cout << ans <<" " << "\n";
  28. }
  29. cout << ans << '\n';
  30. return;
  31. }
  32. }
  33. cout << ans << '\n';
  34. return;
  35. }
  36. ll scr = 0;
  37. for(int i = 0; i < n; i++) {
  38. scr += a[i];
  39. }
  40. cout << scr << '\n';
  41. }
  42.  
  43. int main() {
  44. optimize();
  45. int t;
  46. cin >> t;
  47. // int i = 0;
  48. while(t--) {
  49. // mem(v, 0);
  50. // cout << "Case " << ++i <<":" << endl;
  51. solve();
  52. }
  53. }
Success #stdin #stdout 0.01s 5324KB
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