Submission #486852

#	Time	Username	Problem	Language	Result	Execution time	Memory
486852		TypeYippie	Stove (JOI18_stove)	C++14	100 / 100	19 ms	2036 KiB

stove

#include <bits/stdc++.h>
using namespace std;

int main(){
	int n, k, time[100005], interval[100005];
	scanf("%d%d", &n, &k);
	for(int i = 0; i < n; i++){
		scanf("%d", time+i);
		if(i > 0){
			interval[i-1] = time[i]-time[i-1]-1;
		}
	} 
	sort(interval, interval+n-1, greater<int>());
	int ans = time[n-1]-time[0]+1;
	for(int i = 0; i < k-1; i++){
		ans -= interval[i];
	}
	printf("%d\n", ans);

	return 0;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  scanf("%d%d", &n, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~
stove.cpp:8:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |   scanf("%d", time+i);
      |   ~~~~~^~~~~~~~~~~~~~

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