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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#547653 | #7067. The Great Wall | ucup-team3474 | WA | 1ms | 5908kb | C++20 | 1.7kb | 2024-09-05 01:10:04 | 2024-09-05 01:10:05 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=1919810;
typedef long long ll;
typedef pair<ll,ll> PII;
ll n,m,k;
ll a[N],b[N];
char s[N];
ll ans[N];
typedef struct{
int l,r;
ll mn,mx;
}Node;
void __(){
scanf("%d",&n);
for(int i=1;i<=n;i++) scanf("%d",&a[i]);
vector<Node> v;
int l=1;
for(int i=2;i<=n;i++){
if(a[i]<a[i-1]){
v.push_back({l,i-1,a[l],a[i-1]});
l=i;
}
}
v.push_back({l,n,a[l],a[n]});
int t=v.size();
// cout<<t<<endl;
priority_queue<ll,vector<ll>,greater<ll>> q;
// for(int i=1;i<=n;i++){
for(auto [x,y,u,uu]:v){
for(int j=x+1;j<=y;j++){
q.push(a[j]-a[j-1]);
ans[t]+=(a[j]-a[j-1]);
}
}
// }
for(int i=t+1;i<=n;i++){
ans[i]=ans[i-1]-q.top();
q.pop();
}
vector<Node> vv;
for(int i=t-1;i>=1;i--){
ll mn=1e18;
ll mnt;
for(int j=1;j<v.size();j++){
ll res=v[j].mx+v[j-1].mx-v[j].mn-v[j-1].mn-(max(v[j].mx,v[j-1].mx)-min(v[j].mn,v[j-1].mn));
if(res<mn){
mn=res;
mnt=j;
}
}
// cout<<mn<<endl;
ans[i]=ans[i+1]-mn;
for(int j=0;j<mnt-1;j++) vv.push_back(v[j]);
vv.push_back({v[mnt-1].l,v[mnt].r,min(v[mnt-1].mn,v[mnt].mn),max(v[mnt-1].mx,v[mnt].mx)});
for(int j=mnt+1;j<v.size();j++) vv.push_back(v[j]);
v=vv;
vv.clear();
}
for(int i=1;i<=n;i++) printf("%lld\n",ans[i]);
}
int main(){
int _=1;
// cin>>_;
while(_--){
__();
}
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5848kb
input:
5 1 2 3 4 5
output:
4 3 2 1 0
result:
ok 5 lines
Test #2:
score: 0
Accepted
time: 0ms
memory: 5792kb
input:
5 1 2 1 2 1
output:
1 2 2 1 0
result:
ok 5 lines
Test #3:
score: -100
Wrong Answer
time: 1ms
memory: 5908kb
input:
6 1 1 4 5 1 4
output:
4 7 7 6 3 0
result:
wrong answer 4th lines differ - expected: '7', found: '6'