oj.uz

답안 #461045

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
461045 2021-08-09T11:59:41 Z TeaTime Stove (JOI18_stove) C++17
100 / 100
 28 ms 3228 KB 
#pragma GCC optimize("O3")
#pragma GCC target("avx2")
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <unordered_map>

using namespace std;

#define fastInp cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);

typedef long long ll;
typedef long double ld;

const ll SZ = 2e5 + 100, INF = 1e9 + 10, MX = 4e5 + 210;

struct qr {
    ll t, l, r, i;
};
vector<qr> qs;
ll n, k;

int main() {
    fastInp;

    cin >> n >> k;

    vector<ll> vec(n), srt;
    for (auto& c : vec) cin >> c;
    
    for (int i = 1; i < vec.size(); i++) {
        srt.push_back(vec[i] - vec[i - 1] - 1);
    }

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

    ll ans = vec.back() - vec[0] + 1;
    for (int i = 0; i < min(ll(srt.size()), k - 1); i++) {
        ans -= srt[i];
    }

    cout << ans;

    return 0;
}

Compilation message

stove.cpp: In function 'int main()':
stove.cpp:35:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |     for (int i = 1; i < vec.size(); i++) {
      |                     ~~^~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 272 KB Output is correct
9 Correct 1 ms 204 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 272 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 272 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 22 ms 3148 KB Output is correct
17 Correct 22 ms 3140 KB Output is correct
18 Correct 26 ms 3136 KB Output is correct
19 Correct 26 ms 3228 KB Output is correct
20 Correct 28 ms 3224 KB Output is correct
21 Correct 26 ms 3148 KB Output is correct
22 Correct 24 ms 3136 KB Output is correct
23 Correct 27 ms 3132 KB Output is correct
24 Correct 22 ms 3144 KB Output is correct