oj.uz

Submission #1033700

# Submission time Handle Problem Language Result Execution time Memory
1033700 2024-07-25T04:18:06 Z vjudge1 Stove (JOI18_stove) C++14
100 / 100
 15 ms 3840 KB 
#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define name "aaaaaa"
using ll = long long;
using pll = pair<ll, ll>;
using ld = long double;

void file(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    if(fopen(name".inp", "r")) {
        freopen(name".inp", "r", stdin);
        freopen(name".out", "w", stdout);
    }
}

const int maxn = 1e6 + 5;

ll a[maxn];

vector<ll> sus;

void solve (){
    int n, k;
    cin >> n >> k;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    for(int i = 2; i <= n; i++){
        sus.push_back({a[i] - a[i - 1] - 1});
    }
    sort(sus.begin(), sus.end(), greater<ll>());
    ll ans = a[n] - a[1] + 1;
    for(int i = 0; i < k - 1; i++){
        ans -= sus[i];
    }
    cout << ans;
}

int main(){
    file();
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
}

Compilation message

stove.cpp: In function 'void file()':
stove.cpp:12:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         freopen(name".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
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".out", "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 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 348 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 344 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 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 348 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 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 13 ms 3800 KB Output is correct
17 Correct 13 ms 3804 KB Output is correct
18 Correct 13 ms 2268 KB Output is correct
19 Correct 13 ms 3840 KB Output is correct
20 Correct 13 ms 2292 KB Output is correct
21 Correct 13 ms 2268 KB Output is correct
22 Correct 13 ms 2336 KB Output is correct
23 Correct 13 ms 2264 KB Output is correct
24 Correct 15 ms 3836 KB Output is correct