oj.uz

답안 #1110349

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1110349 2024-11-09T09:50:37 Z the_ZHER Stove (JOI18_stove) C++17
100 / 100
 30 ms 6068 KB 
#include <bits/stdc++.h>
#define boost ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define int long long
using namespace std;
const int N = 1e5 + 4;
const int inf = 1e18;
struct edge {
    int a,b,c,d;
};
vector<int>v;
vector<pair<int,int> >v1;
vector<int>v2;
signed main(){
// freopen("input.txt", "r", stdin);
//   freopen("output.txt", "w", stdout);
    boost;
    int n,k;
    cin>>n>>k;
    for(int i=1;i<=n;i++){
        int x;
        cin>>x;
        v.push_back(x);
    }
    for(int i=0;i<n-1;i++){
        v1.push_back({v[i+1]-v[i]-1,i});
    }
    sort(v1.rbegin(),v1.rend());
    for(int i=0;i<k-1;i++){
        v2.push_back(v1[i].second);
    }
    sort(v2.begin(),v2.end());
    int j=0;
    int st=0;
    int ans=0;
    if(v2.size()==0){
        cout<<v[n-1]-v[0]+1;
        return 0;
    }
    for(int i=0;i<v.size();i++){
        if(j<v2.size()&&i==v2[j]){
            j++;
            ans+=v[i]+1-v[st];
            st=i+1;
        }
    }
    ans+=v[n-1]-v[st]+1;
    cout<<ans;
}

Compilation message

stove.cpp: In function 'int main()':
stove.cpp:40:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~
stove.cpp:41:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         if(j<v2.size()&&i==v2[j]){
      |            ~^~~~~~~~~~

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 592 KB Output is correct
11 Correct 1 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 2 ms 592 KB Output is correct
14 Correct 2 ms 644 KB Output is correct
15 Correct 1 ms 592 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 592 KB Output is correct
11 Correct 1 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 2 ms 592 KB Output is correct
14 Correct 2 ms 644 KB Output is correct
15 Correct 1 ms 592 KB Output is correct
16 Correct 19 ms 5200 KB Output is correct
17 Correct 19 ms 5220 KB Output is correct
18 Correct 19 ms 5200 KB Output is correct
19 Correct 19 ms 5212 KB Output is correct
20 Correct 22 ms 5232 KB Output is correct
21 Correct 30 ms 5956 KB Output is correct
22 Correct 25 ms 6000 KB Output is correct
23 Correct 26 ms 5964 KB Output is correct
24 Correct 26 ms 6068 KB Output is correct