답안 #390061

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
390061	2021-04-15T08:40:33 Z	ioi	Stove (JOI18_stove)	C++14	100 / 100	54 ms	1808 KB

stove

#include<bits/stdc++.h>
using namespace std;

int main()
{
    int n , k ;
    cin >> n >> k ;

    k -- ;


    vector<int> v ;
    int past , f ;

    for(int i = 0 ; i < n; i ++){
        int a ;
        cin >> a ;
        if(i == 0)f = a ;

        if(i)v.push_back(a - past - 1);
        past = a ;

    }
    int ans = past + 1 - f ;


    sort(v.rbegin() , v.rend());

    for(int i = 0 ; i < k ; i ++)
        ans -= v[i];

    cout << ans ;

}

Compilation message

stove.cpp: In function 'int main()':
stove.cpp:24:20: warning: 'past' may be used uninitialized in this function [-Wmaybe-uninitialized]
   24 |     int ans = past + 1 - f ;
      |               ~~~~~^~~
stove.cpp:24:9: warning: 'f' may be used uninitialized in this function [-Wmaybe-uninitialized]
   24 |     int ans = past + 1 - f ;
      |         ^~~

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	2 ms	332 KB	Output is correct
11	Correct	2 ms	332 KB	Output is correct
12	Correct	2 ms	332 KB	Output is correct
13	Correct	2 ms	332 KB	Output is correct
14	Correct	2 ms	332 KB	Output is correct
15	Correct	2 ms	332 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	2 ms	332 KB	Output is correct
11	Correct	2 ms	332 KB	Output is correct
12	Correct	2 ms	332 KB	Output is correct
13	Correct	2 ms	332 KB	Output is correct
14	Correct	2 ms	332 KB	Output is correct
15	Correct	2 ms	332 KB	Output is correct
16	Correct	53 ms	1764 KB	Output is correct
17	Correct	50 ms	1756 KB	Output is correct
18	Correct	51 ms	1768 KB	Output is correct
19	Correct	50 ms	1780 KB	Output is correct
20	Correct	52 ms	1788 KB	Output is correct
21	Correct	50 ms	1728 KB	Output is correct
22	Correct	51 ms	1768 KB	Output is correct
23	Correct	54 ms	1808 KB	Output is correct
24	Correct	51 ms	1760 KB	Output is correct