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The 2nd Universal Cup Finals is coming! Check out our event page, schedule, and competition rules!
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #298298 | #5500. Bars | 0xyz | WA | 187ms | 5960kb | C++14 | 463b | 2024-01-05 23:17:49 | 2024-01-05 23:17:50 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll _=5e5+5;
ll n,t,f[_],p[_],g[_];
ll w(ll x,ll y){
return f[x]+(y-x)*(p[x]+p[y]);
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>t;
while(t--){
cin>>n;g[1]=1;
for(ll i=1;i<=n;i++)cin>>p[i];
for(ll i=2;i<=n;i++)
if(w(i-1,i)<w(g[i-1],i))g[i]=g[i-1],f[i]=w(g[i-1],i);
else g[i]=i-1,f[i]=w(i-1,i);
cout<<f[n]<<'\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5600kb
input:
2 4 5 2 2 6 5 1 5 4 4 1
output:
33 29
result:
ok 2 lines
Test #2:
score: -100
Wrong Answer
time: 187ms
memory: 5960kb
input:
10000 4 5 2 2 6 5 1 5 4 4 1 197 763787596 15221694 898228999 187472305 466351873 822742732 437754202 800092772 843092246 915675776 166265020 346340615 796714085 497548541 182089610 64356048 363276768 181268733 257949015 236568898 752096761 928725929 443146784 114577469 833053207 38120723 14891030 41...
output:
33 29 323902577661 517310514769 442743983454 458946673513 296420749955 684398023821 488908817507 452497461066 225238173558 548995280859 372195572969 228928264291 585094154153 158133693702 336548825942 374347211592 487728425474 465074500144 356621942568 632295317148 733272508643 696364797312 26408806...
result:
wrong answer 3rd lines differ - expected: '382465638565', found: '323902577661'