Submission #197349

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
197349	2020-01-20T13:30:02 Z	abil	Stove (JOI18_stove)	C++14	100 / 100	28 ms	2356 KB

stove

# include <bits/stdc++.h>

# define fr first
# define sc second
# define pb push_back
# define sz(s) s.size()
# define all(s) s.begin(),s.end()
//# define int long long

using namespace std;

const long long N = (1e6 + 10);
const long long mod = (1e9 + 7);
const long long inf = (1e9 + 7);

int a[N];

main()
{
  int n, k;
  cin >> n >> k;
  vector<int > vec;
  for(int i = 1;i <= n; i++){
		scanf("%d", &a[i]);
  }
  for(int i = 2;i <= n; i++){
		vec.pb(max((a[i]) - (a[i - 1] + 1),0));
  }
  sort(all(vec));
  k--;
  int ans = a[n] + 1 - a[1];
	for(int i = vec.size() - 1;i >= 0; i--){
		if(!k){
			break;
		}
		k--;
		ans -= vec[i];
	}
	cout << ans;
}

Compilation message

stove.cpp:18:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
stove.cpp: In function 'int main()':
stove.cpp:24:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	3 ms	376 KB	Output is correct
11	Correct	3 ms	376 KB	Output is correct
12	Correct	3 ms	380 KB	Output is correct
13	Correct	3 ms	376 KB	Output is correct
14	Correct	3 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	3 ms	376 KB	Output is correct
11	Correct	3 ms	376 KB	Output is correct
12	Correct	3 ms	380 KB	Output is correct
13	Correct	3 ms	376 KB	Output is correct
14	Correct	3 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	27 ms	2356 KB	Output is correct
17	Correct	28 ms	2328 KB	Output is correct
18	Correct	27 ms	2292 KB	Output is correct
19	Correct	27 ms	2292 KB	Output is correct
20	Correct	27 ms	2292 KB	Output is correct
21	Correct	27 ms	2292 KB	Output is correct
22	Correct	27 ms	2296 KB	Output is correct
23	Correct	27 ms	2292 KB	Output is correct
24	Correct	27 ms	2292 KB	Output is correct