oj.uz

Submission #136252

# Submission time Handle Problem Language Result Execution time Memory
136252 2019-07-25T05:06:22 Z KLPP Stove (JOI18_stove) C++14
100 / 100
 30 ms 2900 KB 
#include<bits/stdc++.h>

using namespace std;
typedef long long int lld;
#define rep(i,a,b) for(int i=a;i<b;i++)

int main(){
  int n,k;
  scanf("%d %d",&n,&k);
  lld arr[n];
  rep(i,0,n){
    scanf("%lld",&arr[i]);
  }
  lld ans=arr[n-1]+1-arr[0];
  lld diff[n-1];
  rep(i,0,n-1)diff[i]=arr[i+1]-arr[i]-1;
  sort(diff,diff+(n-1));
  reverse(diff,diff+(n-1));
  rep(i,0,k-1){
    ans-=diff[i];
  }
  printf("%lld\n",ans);
  return 0;
}

Compilation message

stove.cpp: In function 'int main()':
stove.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&n,&k);
   ~~~~~^~~~~~~~~~~~~~~
stove.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld",&arr[i]);
     ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 404 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 404 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 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 376 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 404 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 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 376 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 28 ms 2848 KB Output is correct
17 Correct 28 ms 2900 KB Output is correct
18 Correct 27 ms 2812 KB Output is correct
19 Correct 28 ms 2808 KB Output is correct
20 Correct 30 ms 2808 KB Output is correct
21 Correct 29 ms 2804 KB Output is correct
22 Correct 28 ms 2808 KB Output is correct
23 Correct 28 ms 2808 KB Output is correct
24 Correct 28 ms 2808 KB Output is correct