QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#750584 | #9730. Elevator II | 552Hz# | AC ✓ | 132ms | 12092kb | C++17 | 2.1kb | 2024-11-15 15:05:23 | 2024-11-15 15:05:24 |
Judging History
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