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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#751431#9730. Elevator IIsdnuwy#WA 48ms3640kbC++202.1kb2024-11-15 18:39:072024-11-15 18:39:09

Judging History

你现在查看的是最新测评结果

  • [2024-11-15 18:39:09]
  • 评测
  • 测评结果:WA
  • 用时:48ms
  • 内存:3640kb
  • [2024-11-15 18:39:07]
  • 提交

answer

//Think twice,code once.
#include<bits/stdc++.h>
#define endl '\n'
#define int long long
#define INF 0x3f3f3f3f3f3f3f
#define inf 0x3f3f3f3f
#define ff first
#define ss second
#define pii pair<int,int>
#define mem(i,n) memset(i,n,sizeof i)
#define dg(a) std::cout << #a << " = " << a << endl
typedef long long ll;
typedef unsigned long long ull;
using namespace std;

struct node
{
    int l,r,idx;
};

bool cmp1(node a,node b)
{
    return a.l < b.l;
}

bool cmp2(node a,node b)
{
    return a.r>b.r;
}

void solve()
{
    int n,f;
    cin >> n >> f;
    vector<node>a(n+1);
    vector<bool>vis(n+1);
    int ans=0;
    int res=INF;
    int mx=0;
    int val=0;
    for(int i=1;i<=n;i++)
    {
        cin >> a[i].l >> a[i].r;
        a[i].idx=i;
        ans+=a[i].r-a[i].l;
        if(a[i].r>mx)
        {
            mx=a[i].r;
            val=a[i].l;
        }
        else if(a[i].r==mx)
        {
            val=min(val,a[i].l);
        }
    }
    sort(a.begin()+1,a.end(),cmp1);
    res=0;
    a[0].r=f;
    vector<node>b;
    b.push_back({0,f,0});
    int m=0;
    for(int i=1;i<=n;i++)
    {
        if(a[i].l<=val&&a[i].r>b[m].r)
        {
            res+=max(0ll,a[i].l-b[m].r);
            b.push_back(a[i]);
            m++;
        }
    }
    // if(l==-1)
    // {
    //     sort(a.begin()+1,a.end(),cmp2);
    //     cout << ans+max(0ll,a[1].l-f) << endl;
    //     for(int i=1;i<=n;i++)
    //     {
    //         cout << a[i].idx << ' ';
    //     }
    //     cout << endl;
    //     return;
    // }
    cout << ans+res << endl;
    for(int i=1;i<m;i++)
    {
        cout << b[i].idx << ' ';
        vis[b[i].idx]=1;
    }
    sort(a.begin()+1,a.end(),cmp2);
    for(int i=1;i<=n;i++)
    {
        if(vis[a[i].idx]) continue;
        cout << a[i].idx << ' ';
    }
    cout << endl;
}

int32_t main()
{
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);
    int t = 1;
    std::cin >> t;
    while(t--) solve();
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3548kb

input:

2
4 2
3 6
1 3
2 7
5 6
2 5
2 4
6 8

output:

11
2 3 1 4 
5
2 1 

result:

ok ok 2 cases (2 test cases)

Test #2:

score: -100
Wrong Answer
time: 48ms
memory: 3640kb

input:

6100
19 52
51 98
2 83
40 58
96 99
39 55
72 94
15 17
4 15
48 99
2 99
77 78
35 77
44 62
79 81
30 31
1 48
48 76
68 99
60 66
6 19
44 53
64 92
17 28
67 98
9 99
40 65
16 27
99 100
15 56
4 6
24 97
84 96
47 49
37 38
77 79
13 40
13 92
71 100
47 93
90 91
72 81
15 48
32 71
19 17
95 99
10 23
18 100
90 93
52 92
...

output:

524
2 4 10 18 9 1 6 14 11 12 17 19 13 3 5 16 15 7 8 
194
5 4 2 6 1 3 
397
9 10 4 11 1 5 12 13 14 8 16 2 6 15 7 3 
733
2 15 7 3 1 10 8 6 4 17 5 16 13 11 12 18 14 9 19 
244
3 10 5 6 2 8 12 4 14 11 9 1 15 13 7 
422
17 18 1 6 11 2 10 7 13 9 4 12 20 14 5 15 19 8 16 3 
104
3 4 1 2 
187
4 3 8 1 2 6 7 5 9 1...

result:

wrong answer Participant declares the cost to be 524, but the plan actually costs 537 (test case 1)