Submission #40397

#	Time	Username	Problem	Language	Result	Execution time	Memory
40397		szawinis	Karte (COCI18_karte)	C++14	120 / 120	175 ms	12304 KiB

karte

#include <bits/stdc++.h>
using namespace std;
const int N = 5e5+1;

int n, k, a[N];
int main() {
	scanf("%d %d", &n, &k);
	for(int i = 0; i < n; i++) scanf("%d", a+i);
	sort(a, a+n, greater<int>());
	reverse(a, a+k);
	reverse(a+k, a+n);
	int cnt = 0;
	for(int i = 0; i < n; i++) cnt += cnt < a[i];
	if(cnt != k) printf("-1");
	else {
		reverse(a, a+n);
		for(int i = 0; i < n; i++) printf("%d ", a[i]);
	}
}

Compilation message (stderr)

karte.cpp: In function 'int main()':
karte.cpp:7:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &k);
                        ^
karte.cpp:8:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 0; i < n; i++) scanf("%d", a+i);
                                             ^

• Subtask 1: 12 / 12
• Subtask 2: 12 / 12
• Subtask 3: 12 / 12
• Subtask 4: 12 / 12
• Subtask 5: 12 / 12
• Subtask 6: 12 / 12
• Subtask 7: 12 / 12
• Subtask 8: 12 / 12
• Subtask 9: 12 / 12
• Subtask 10: 12 / 12