Submission #711412

#	Time	Username	Problem	Language	Result	Execution time	Memory
711412		thimote75	Stove (JOI18_stove)	C++14	100 / 100	49 ms	2324 KiB

stove

#include <bits/stdc++.h>

using namespace std;

#define num long long

int main () {
    int nbNodes, nbVal;
    cin >> nbNodes >> nbVal;
    nbVal --;

    vector<num> deltas;

    int last = 0;

    for (int i = 0; i < nbNodes; i ++) {
        int curr; cin >> curr;
        if (last != 0) deltas.push_back(curr - last - 1);

        last = curr;
    }

    sort(deltas.rbegin(), deltas.rend());

    num answer = 0;
    for (int i = nbVal; i < deltas.size(); i ++)
        answer += deltas[i];
    cout << (answer + nbNodes);
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:27:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for (int i = nbVal; i < deltas.size(); i ++)
      |                         ~~^~~~~~~~~~~~~~~

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