Task: | Kyselyt |
Sender: | Laakeri |
Submission time: | 2020-10-17 17:02:02 +0300 |
Language: | C++ (C++11) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 12 |
#2 | ACCEPTED | 34 |
#3 | ACCEPTED | 54 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
#2 | ACCEPTED | 0.15 s | 2, 3 | details |
#3 | ACCEPTED | 0.17 s | 3 | details |
#4 | ACCEPTED | 0.28 s | 3 | details |
#5 | ACCEPTED | 0.14 s | 3 | details |
Code
#include <bits/stdc++.h>#define F first#define S secondusing namespace std;typedef long long ll;ll a[202020];ll st[202020];int ne[202020][19];ll st2[202020];int main() {ios_base::sync_with_stdio(0);cin.tie(0);int n,q;cin>>n>>q;for (int i=1;i<=n;i++){cin>>a[i];st2[i]=st2[i-1]+a[i];}a[n+1]=1e9+10;for (int j=0;j<19;j++){ne[n+1][j]=n+1;}vector<pair<int, int>> x;x.push_back({n+1, a[n+1]});for (int i=n;i>=1;i--){while(x.back().S <= a[i]){x.pop_back();}assert(!x.empty());ne[i][0]=x.back().F;for (int j=1;j<19;j++){ne[i][j]=ne[ne[i][j-1]][j-1];}st[i]=a[i]*(ll)(ne[i][0]-i)+st[ne[i][0]];x.push_back({i, a[i]});}for (int i=0;i<q;i++){int l,r;cin>>l>>r;ll ans=st[l];int d=l;for (int j=18;j>=0;j--){while (ne[d][j]<=r){d=ne[d][j];}}assert(d>=l&&a[d]>=a[l]&&d<=r);ans-=st[d];ans+=(ll)(r-d+1)*a[d];ans-=st2[r]-st2[l-1];cout<<ans<<'\n';}}
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
100 100 70 8 72 88 42 78 85 41 23 36 6... |
correct output |
---|
99 0 922 2579 1892 ... |
user output |
---|
99 0 922 2579 1892 ... Truncated |
Test 2
Group: 2, 3
Verdict: ACCEPTED
input |
---|
200000 200000 98 99 29 92 29 81 100 52 89 80... |
correct output |
---|
1497732 2810356 9532632 6655773 5403513 ... |
user output |
---|
1497732 2810356 9532632 6655773 5403513 ... Truncated |
Test 3
Group: 3
Verdict: ACCEPTED
input |
---|
200000 200000 818377786 934884634 816080381 ... |
correct output |
---|
86877225712611 94684086875470 92703793485296 38149694892093 61948503092286 ... |
user output |
---|
86877225712611 94684086875470 92703793485296 38149694892093 61948503092286 ... Truncated |
Test 4
Group: 3
Verdict: ACCEPTED
input |
---|
200000 200000 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
correct output |
---|
0 0 0 0 0 ... |
user output |
---|
0 0 0 0 0 ... Truncated |
Test 5
Group: 3
Verdict: ACCEPTED
input |
---|
200000 200000 200000 199999 199998 199997 19... |
correct output |
---|
15920862903 3193483321 18874982071 4846348926 3970697055 ... |
user output |
---|
15920862903 3193483321 18874982071 4846348926 3970697055 ... Truncated |