Submission #41101

#	Time	Username	Problem	Language	Result	Execution time	Memory
41101		abeker	Stove (JOI18_stove)	C++14	100 / 100	32 ms	1624 KiB

stove

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

const int MAXN = 1e5 + 5;

int N, K;
int t[MAXN];
vector <int> gaps;

void load() {
	scanf("%d%d", &N, &K);
	for (int i = 0; i < N; i++)
		scanf("%d", t + i);
}

int solve() {
	int last = t[0];
	int cnt = 1, sol = 0;
	for (int i = 1; i < N; i++)
		if (t[i] - t[i - 1] > 1) {
			sol += t[i - 1] - last + 1;
			gaps.push_back(t[i] - t[i - 1] - 1);
			last = t[i];
			cnt++;
		}
	sol += t[N - 1] - last + 1;
	
	sort(gaps.begin(), gaps.end());
	for (int i = 0; i < cnt - K; i++)
		sol += gaps[i];
	
	return sol;
}

int main() {
	load();
	printf("%d\n", solve());
	return 0;
}

Compilation message (stderr)

stove.cpp: In function 'void load()':
stove.cpp:11:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &K);
                       ^
stove.cpp:13:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", t + i);
                     ^

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