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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define name "LIETKE"
  5. const int MAXN = 2e5+5;
  6. int n, a[MAXN];
  7.  
  8. void setIO(){
  9.     ios_base::sync_with_stdio(0);
  10.     cin.tie(0); cout.tie(0);
  11.     if (fopen(name".inp", "r")){
  12.         freopen(name".inp", "r", stdin);
  13.         freopen(name".out", "w", stdout);
  14.     }
  15. }
  16.  
  17. void inp(){
  18. 	cin >> n;
  19. 	for (int i = 1; i<=n; i++) cin >> a[i];
  20. }
  21.  
  22. int main(){
  23. 	setIO(); // Nhập xuất file
  24. 	inp();
  25. 	int i = 1, dem = 1;
  26. 	sort(a + 1, a+n+1);
  27. 	while (i<n){
  28. 		if (a[i] == a[i+1]) 
  29. 			dem++;
  30. 		else{
  31. 			cout << a[i] << " " << dem <<"\n";
  32. 			dem = 1;
  33. 		}
  34. 		i++; 
  35. 		if (i==n) cout << a[i] << " " << dem <<"\n"; 
  36. 		//Câu lệnh để in ra số cuối cùng
  37. 	}
  38. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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8
1 -1 2 1 3 4 200 5
stdout
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-1 1
1 2
2 1
3 1
4 1
5 1
200 1
https://ideone.com/SR8YHR
language:
C++14 (clang 8.0)
created:
4 hours ago
visibility:
public

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