Submission #747967

#	Time	Username	Problem	Language	Result	Execution time	Memory
747967		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	19 ms	2844 KiB

stove

#include <bits/stdc++.h>

using namespace std;
using ll=long long;

int main()
{

    ios_base::sync_with_stdio(0); cin.tie(0);
    int n, k;
    cin>>n>>k;
    vector<int> t(n);
    for(int&i:t)cin>>i;
    vector<ll> d;
    for(int i=1;i<n;i++){
        d.push_back(t[i] - t[i-1] - 1);
    }
    ll ans=n;
    sort(d.rbegin(), d.rend());
    while(d.size()>k-1){
        ans+=d.back();
        d.pop_back();
    }
    cout<<ans<<endl;
    return 0;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:20:19: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     while(d.size()>k-1){
      |           ~~~~~~~~^~~~

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