oj.uz

Submission #1099959

# Submission time Handle Problem Language Result Execution time Memory
1099959 2024-10-12T09:11:13 Z Trn115 Stove (JOI18_stove) C++11
100 / 100
 15 ms 3028 KB 
#include <bits/stdc++.h>

#define int long long
#define fi first
#define se second
#define all(v) v.begin(), v.end()

using namespace std;

inline void setio(string name = "") {
    cin.tie(0)->sync_with_stdio(0);
    if (fopen((name+".INP").c_str(), "r")) {
        freopen((name+".INP").c_str(), "r", stdin);
        freopen((name+".OUT").c_str(), "w", stdout);
    }
}

int n, k;
vector<int> t;

inline void input() {
    cin >> n >> k;
    t.resize(n);
    for (int &i : t) cin >> i;
}

inline void solve() {
    vector<int> g(n-1);
    for (int i = 0; i < n-1; ++i) g[i] = t[i+1] - t[i] - 1;
    int total = t.back() - t.front() + 1;
    sort(all(g), greater<int>());
    cout << total - accumulate(g.begin(), g.begin()+(k-1), 0);
}

signed main() {
    setio();
    input();
    solve();
}

Compilation message

stove.cpp: In function 'void setio(std::string)':
stove.cpp:13:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         freopen((name+".INP").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stove.cpp:14:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         freopen((name+".OUT").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 14 ms 2908 KB Output is correct
17 Correct 14 ms 2908 KB Output is correct
18 Correct 14 ms 2908 KB Output is correct
19 Correct 14 ms 2908 KB Output is correct
20 Correct 14 ms 2908 KB Output is correct
21 Correct 14 ms 3028 KB Output is correct
22 Correct 14 ms 3008 KB Output is correct
23 Correct 15 ms 2908 KB Output is correct
24 Correct 14 ms 2908 KB Output is correct