QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#750584#9730. Elevator II552Hz#AC ✓132ms12092kbC++172.1kb2024-11-15 15:05:232024-11-15 15:05:24

Judging History

你现在查看的是最新测评结果

  • [2024-11-15 15:05:24]
  • 评测
  • 测评结果:AC
  • 用时:132ms
  • 内存:12092kb
  • [2024-11-15 15:05:23]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define endl "\n"
#define debug(x) cout<<#x<<": "<<x<<endl
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
using ll=long long;
using ull=unsigned long long;
struct node
{
    int l,r,id;
    bool operator<(const node&t)const{
        if(l==t.l&&r==t.r)
            return id<t.id;
        if(l==t.l)
            return r<t.r;
        return l<t.l;
    }
};
struct node2{
    int l,r,id;
    bool operator<(const node2&t)const{
        if(l==t.l&&r==t.r)
            return id<t.id;
        if(r==t.r)
            return l<t.l;
        return r>t.r;
    }    
};
void solve(){
    int n,f;
    cin>>n>>f;
    vector<node> a(n);
    for(int i = 0;i<n;i++){
        int l,r;
        cin>>l>>r;
        a[i]={l,r,i};
    }
    sort(a.begin(),a.end());
    set<node2> st;
    int id=0;
    vector<int> ans;
    ll res=0;
    while(1){
        // debug(f);
        while(id<n&&a[id].l<=f){
            st.insert({a[id].l,a[id].r,a[id].id});
            id++;
        }
        if(st.empty()){
            if(id==n)
                break;
            st.insert({a[id].l,a[id].r,a[id].id});
            res+=a[id].l-f;
            f=a[id].l;
            id++;
        }
        int mxr=(*st.begin()).r;
        if(mxr<f){
            if(id==n)
                break;
            st.insert({a[id].l,a[id].r,a[id].id});
            res+=a[id].l-f;
            f=a[id].l;
            id++;            
        }
        mxr=(*st.begin()).r;
        f=mxr;
        res+=(*st.begin()).r-(*st.begin()).l;
        ans.push_back((*st.begin()).id);
        st.erase(st.begin());
        // debug(res);
        // debug(f);

    }
    for(auto [l,r,id]:st){
        res+=r-l;
        ans.push_back(id);
    }
    cout<<res<<endl;
    for(auto x:ans)
        cout<<x+1<<" ";
    cout<<endl;
}
signed main(){
    ios::sync_with_stdio(0);
    cout.tie(0);
    cin.tie(0);
    int t;
    cin>>t;
    while(t--){
        solve();
    }
}
/*
贡献法
正难则反
数小状压
关系连边
拆位
广义单调性
最长转最短
*/

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3832kb

input:

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

output:

11
3 1 4 2 
5
2 1 

result:

ok ok 2 cases (2 test cases)

Test #2:

score: 0
Accepted
time: 59ms
memory: 3740kb

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

result:

ok ok 6100 cases (6100 test cases)

Test #3:

score: 0
Accepted
time: 132ms
memory: 12092kb

input:

3
100000 9859
150464 951410
637107 897197
236268 936879
353406 403927
511229 999416
861211 958428
186246 446149
162388 805753
449016 817386
147119 604340
579101 926848
958992 987299
859662 907007
507058 690951
719158 856587
789149 927957
691705 707085
694110 845505
192759 616586
905489 935507
937041...

output:

24903933702
92856 65801 39096 33773 51617 65474 94722 13509 21862 12929 87576 17341 15727 2606 11792 27729 50887 48077 55052 33512 72396 98442 16861 42944 69859 15997 66434 56377 59405 41121 7904 40847 9663 68634 34470 19087 50759 37212 24530 10095 70457 6562 23408 96796 25733 55563 93686 74144 2850...

result:

ok ok 3 cases (3 test cases)

Test #4:

score: 0
Accepted
time: 99ms
memory: 11140kb

input:

3
100000 932101
80818 80823
538842 538844
406812 406818
625053 625054
511066 511073
667363 667365
527022 527023
621329 621331
855832 855852
796168 796169
268927 268929
650891 650895
312793 312794
873256 873260
424896 424929
266271 266272
902201 902209
842863 842864
361599 361610
647851 647855
148132...

output:

986597
82641 30352 11990 19101 19378 20783 23379 41138 47387 58790 61591 69618 73429 41160 74602 95031 10872 13641 70364 15412 20274 12832 69688 83583 94175 77157 82305 60601 21546 21059 98950 61273 47916 9311 25865 53332 48329 29951 79449 26301 33491 96045 59186 89170 37084 58554 99074 38280 78061 ...

result:

ok ok 3 cases (3 test cases)

Test #5:

score: 0
Accepted
time: 114ms
memory: 11908kb

input:

3
100000 375117879
637628712 637644704
788784579 788792294
804734775 804734822
332639566 332642798
143113598 143114045
132119073 132122341
684483097 684513821
484676670 484678332
661667340 661668818
777865379 777870254
142495696 142495995
101735856 101740588
906481102 906481965
360087766 360091064
1...

output:

872643717
43549 34676 31878 49124 12077 8140 13605 76831 10834 96613 83688 46028 65944 14511 56152 84791 1759 60404 73244 38124 93732 74294 8688 64153 56500 39213 27938 93350 21680 36926 8295 8832 69685 1025 22233 14796 83881 83105 72820 95432 90168 29163 20496 4937 51441 96515 46657 82775 90528 380...

result:

ok ok 3 cases (3 test cases)

Extra Test:

score: 0
Extra Test Passed