Submission #716743

#	Time	Username	Problem	Language	Result	Execution time	Memory
716743		browntoad	Stove (JOI18_stove)	C++14	Compilation error	0 ms	0 KiB

stove

import java.util.*;
 
class Stove
{
	public static void main(String[] args) {
		Scanner obj = new Scanner(System.in);
		int n, k;
		n = obj.nextInt();
		k = obj.nextInt();
		int arr[] = new int [n];
		for (int i=0; i<n; i++){
		    arr[i] = obj.nextInt();
		}
		int ans = n;
		if (n == 1){
		    System.out.println(ans);
		    return;
		}
		int sarr[] = new int[n-1];
		for (int i=0; i<n-1; i++){
		    sarr[i] = arr[i+1]-arr[i]-1;
		}
		for (int i=0; i<n-2; i++){
		    int id = i;
		    for (int j=i+1; j<n-1; j++){
		        if (sarr[j]<sarr[id]){
		            id=j;
		        }
		    }
		    int tmp = sarr[id];
		    sarr[id] = sarr[i];
		    sarr[i] = tmp;
		}
		for(int i=0; i<n-k; i++){
		    ans += sarr[i];
		}
		System.out.println(ans);
		
	}
}

Compilation message (stderr)

stove.cpp:1:1: error: 'import' does not name a type
    1 | import java.util.*;
      | ^~~~~~
stove.cpp:5:8: error: expected ':' before 'static'
    5 |  public static void main(String[] args) {
      |        ^~~~~~~
      |        :
stove.cpp:5:26: error: 'String' has not been declared
    5 |  public static void main(String[] args) {
      |                          ^~~~~~
stove.cpp:5:35: error: expected ',' or '...' before 'args'
    5 |  public static void main(String[] args) {
      |                                   ^~~~
stove.cpp:40:2: error: expected ';' after class definition
   40 | }
      |  ^
      |  ;
stove.cpp: In static member function 'static void Stove::main(int*)':
stove.cpp:6:3: error: 'Scanner' was not declared in this scope
    6 |   Scanner obj = new Scanner(System.in);
      |   ^~~~~~~
stove.cpp:8:7: error: 'obj' was not declared in this scope
    8 |   n = obj.nextInt();
      |       ^~~
stove.cpp:10:15: error: initializer fails to determine size of 'arr'
   10 |   int arr[] = new int [n];
      |               ^~~~~~~~~~~
stove.cpp:10:15: error: array must be initialized with a brace-enclosed initializer
stove.cpp:16:7: error: 'System' was not declared in this scope
   16 |       System.out.println(ans);
      |       ^~~~~~
stove.cpp:19:16: error: initializer fails to determine size of 'sarr'
   19 |   int sarr[] = new int[n-1];
      |                ^~~~~~~~~~~~
stove.cpp:19:16: error: array must be initialized with a brace-enclosed initializer
stove.cpp:37:3: error: 'System' was not declared in this scope
   37 |   System.out.println(ans);
      |   ^~~~~~