Submission #702374

#	Time	Username	Problem	Language	Result	Execution time	Memory
702374		m_fenais	Stove (JOI18_stove)	C++17	100 / 100	53 ms	3176 KiB

stove

#include <bits/stdc++.h>
#define endl '\n'
#define FAST ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long
using namespace std;
const int N = 100000 + 10, mod = 1e9 + 7;
int n, k, a[N], ans;
vector<int> v;
signed main() {
	cin >> n >> k;
	ans += n;
	for(int i = 0; i < n; i++) cin >> a[i];
	sort(a, a + n);
	for(int i = 1; i < n; i++) if(a[i] - a[i-1] > 1) v.push_back(a[i] - a[i-1] - 1);
	sort(v.begin(), v.end());
	k--;
	if(k < v.size()) for(int i = 0; i < v.size() - k; i++) ans += v[i];
	cout << ans << endl;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:17:7: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  if(k < v.size()) for(int i = 0; i < v.size() - k; i++) ans += v[i];
      |     ~~^~~~~~~~~~
stove.cpp:17:36: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
   17 |  if(k < v.size()) for(int i = 0; i < v.size() - k; i++) ans += v[i];
      |                                  ~~^~~~~~~~~~~~~~

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