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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main() {
  4. int t;
  5. cin>>t;
  6. while(t--){
  7. int n;
  8. cin>>n;
  9. int d[n], count = 0;
  10. for(int i=0;i<n;i++){
  11. cin>>d[i];
  12. }
  13. for(int i=1; i<n; i++){
  14. if(d[i]<d[i-1]){
  15. count++;
  16. }
  17. }
  18. cout << count << endl;
  19. }
  20. }
Success #stdin #stdout 0s 5320KB
stdin
4
3
1 2 3
3
1 1 2
5
100 200 300 400 350
5
1000 2000 5000 3000 1000
stdout
0
0
1
2