Submission #132222

#	Time	Username	Problem	Language	Result	Execution time	Memory
132222		junodeveloper	Stove (JOI18_stove)	C++14	100 / 100	29 ms	2476 KiB

stove

#include <bits/stdc++.h>
using namespace std;
int n, k, a[100010];
int main() {
	scanf("%d%d", &n, &k);
	int i;
	vector<int> b;
	for(i=0; i<n; i++) {
		scanf("%d", a+i);
	}
	for(i=0; i+1<n; i++) {
		b.push_back(a[i+1] - a[i] - 1);
	}
	sort(b.begin(), b.end());
	int ans = a[n-1] - a[0] + 1;
	for(i=0; i<k-1; i++) ans -= b[b.size()-i-1];
	printf("%d", ans);
	return 0;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:5:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &k);
  ~~~~~^~~~~~~~~~~~~~~~
stove.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", a+i);
   ~~~~~^~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50