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Submission #901281

# Submission time Handle Problem Language Result Execution time Memory
901281 2024-01-09T09:07:02 Z KienTran Stove (JOI18_stove) C++14
20 / 100
 1 ms 400 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;

const int O = 2e5 + 5;
const int base = 500;
const int mod = 998244353;

int n, k, a[O];

main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin >> n >> k;
    vector <int> b;

    for (int i = 1; i <= n; ++ i){
        cin >> a[i];
        if (i) b.push_back(a[i] - 1 - a[i - 1]);
    }

    sort(b.begin(), b.end());
    reverse(b.begin(), b.end());

    int res = 0;
    for (int i = 0; i < k - 1; ++ i){
        res += b[i];
    }

    cout << a[n] + 1 - a[1] - res;
}

Compilation message

stove.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main(){
      | ^~~~

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 348 KB Output is correct
5 Correct 1 ms 344 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
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 348 KB Output is correct
5 Correct 1 ms 344 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 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Incorrect 1 ms 400 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #3
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 348 KB Output is correct
5 Correct 1 ms 344 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 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Incorrect 1 ms 400 KB Output isn't correct
13 Halted 0 ms 0 KB -