oj.uz

답안 #571230

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
571230 2022-06-01T15:17:11 Z YouAreMyGalaxy Stove (JOI18_stove) C++17
100 / 100
 25 ms 2144 KB 
//Make CSP great again
//Vengeance
#include <bits/stdc++.h>
#define TASK "TESTCODE"
#define Log2(x) 31 - __builtin_clz(x)
using namespace std;
const int N = 1e5;
int a[N + 1], b[N + 1], n, k;
int res;
void read()
{
    cin >> n >> k;
    for (int i = 1; i <= n; ++ i)
    {
        cin >> a[i];
    }
}
void solve()
{
    for (int i = 2; i <= n; ++ i)
    {
        b[i] = a[i] - 1 - a[i - 1];
    }
    sort(b + 2, b + n + 1);
    res = a[n] + 1 - a[1];
    for (int i = n; i >= n - k + 2; -- i)
    {
        res -= b[i];
    }
    cout << res;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    if (fopen(TASK".INP", "r"))
    {
        freopen(TASK".INP", "r", stdin);
        //freopen(TASK".OUT", "w", stdout);
    }
    int t = 1;
    bool typetest = false;
    if (typetest)
    {
        cin >> t;
    }
    for (int __ = 1; __ <= t; ++ __)
    {
        //cout << "Case " << __ << ": ";
        read();
        solve();
    }
}

Compilation message

stove.cpp: In function 'int main()':
stove.cpp:38:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         freopen(TASK".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 392 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 396 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 392 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 396 KB Output is correct
16 Correct 23 ms 1968 KB Output is correct
17 Correct 25 ms 2144 KB Output is correct
18 Correct 20 ms 2036 KB Output is correct
19 Correct 20 ms 2004 KB Output is correct
20 Correct 19 ms 1996 KB Output is correct
21 Correct 19 ms 2004 KB Output is correct
22 Correct 19 ms 1988 KB Output is correct
23 Correct 20 ms 2052 KB Output is correct
24 Correct 20 ms 2004 KB Output is correct