Submission #330786

#	Time	Username	Problem	Language	Result	Execution time	Memory
330786		M_W	Stove (JOI18_stove)	C++14	100 / 100	27 ms	2048 KiB

stove

#include <bits/stdc++.h>
using namespace std;
int g[100100], d[100100];
int main(){
	int N, K;
	scanf("%d %d", &N, &K);
	for(int i = 0; i < N; i++)
		scanf("%d", &g[i]);
	for(int i = 0; i < N - 1; i++)
		d[i] = g[i + 1] - g[i] - 1;
		
	sort(d, d + N - 1, greater<int>());
	int ans = g[N - 1] - g[0] + 1;
	for(int i = 0; i < K - 1; i++){
		ans -= d[i];
	}
	printf("%d", ans);
}

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", &g[i]);
      |   ~~~~~^~~~~~~~~~~~~

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