oj.uz

Submission #668749

# Submission time Handle Problem Language Result Execution time Memory
668749 2022-12-04T21:19:33 Z mseebacher Stove (JOI18_stove) C++17
100 / 100
 18 ms 2308 KB 
#include <bits/stdc++.h>
using namespace std;
 
typedef unsigned long long ull;
typedef long long ll;
typedef vector<int> vi;
 
void setIO(string s) {
	freopen((s + ".in").c_str(), "r", stdin);
	freopen((s + ".ans").c_str(), "w", stdout);
}              
 
#define MAXI (int)1e5
#define LSOne(S) ((S) & -(S))
#define MSB(S) __builtin_clz(S)
 
void solve(){
		 
		 int n,k; cin >> n >> k;
		 int b[n];
		 for(int i = 0;i<n;i++){
			cin >> b[i];
		 }
		 ll dis = b[n-1]-b[0]+1;
		 vector<int> diff;
		 for(int i = 1;i<n;i++){
				diff.push_back(b[i]-b[i-1]-1);
		 }
		 sort(diff.rbegin(),diff.rend());
		 for(int i = 0;i+1<k;i++){
			dis -= diff[i];
	     }
	     cout << dis;
}
 
 
int main(){
    ios::sync_with_stdio(0);
    cin.tie(nullptr);
    cout << fixed << setprecision(8);
 
   int t = 1;
   //cin >> t;
   while(t){
	solve();
	t--;  
	cout << "\n";
   }
}

Compilation message

stove.cpp: In function 'void setIO(std::string)':
stove.cpp:9:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  freopen((s + ".in").c_str(), "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stove.cpp:10:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  freopen((s + ".ans").c_str(), "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 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 212 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

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 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 212 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 1 ms 356 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 360 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 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 212 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 1 ms 356 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 360 KB Output is correct
16 Correct 17 ms 2220 KB Output is correct
17 Correct 17 ms 2260 KB Output is correct
18 Correct 17 ms 2224 KB Output is correct
19 Correct 17 ms 2256 KB Output is correct
20 Correct 17 ms 2228 KB Output is correct
21 Correct 17 ms 2264 KB Output is correct
22 Correct 18 ms 2308 KB Output is correct
23 Correct 18 ms 2256 KB Output is correct
24 Correct 18 ms 2264 KB Output is correct