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int n = 5;
	int a[n] = {4,3,5,1,2};
	int t,i,j,k;
 
	for (i = 1; i < n; i++) {
		for (k = 0; k < n; k++)
			cout << a[k] << " ";
		cout << endl;
 
		for (j = 0; j < n-i; j++) {
			if (a[j] < a[j+1]) {
				t = a[j];
				a[j] = a[j+1];
				a[j+1] = t;
			}
		}
	}
	cout << "排列好的陣列為" << endl;
	for (i = 0; i < n; i++)
		cout << a[i] << " ";

prog.cpp:3:9: error: array bound is not an integer constant before ‘]’ token
  int a[n] = {4,3,5,1,2};
         ^
prog.cpp:6:2: error: expected unqualified-id before ‘for’
  for (i = 1; i < n; i++) {
  ^~~
prog.cpp:6:14: error: ‘i’ does not name a type
  for (i = 1; i < n; i++) {
              ^
prog.cpp:6:21: error: ‘i’ does not name a type
  for (i = 1; i < n; i++) {
                     ^
prog.cpp:19:2: error: ‘cout’ does not name a type
  cout << "排列好的陣列為" << endl;
  ^~~~
prog.cpp:20:2: error: expected unqualified-id before ‘for’
  for (i = 0; i < n; i++)
  ^~~
prog.cpp:20:14: error: ‘i’ does not name a type
  for (i = 0; i < n; i++)
              ^
prog.cpp:20:21: error: ‘i’ does not name a type
  for (i = 0; i < n; i++)
                     ^

Standard output is empty