Task: | Kyselyt |
Sender: | Lieska |
Submission time: | 2020-10-17 12:38:41 +0300 |
Language: | C++ (C++17) |
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 | 0.20 s | 2, 3 | details |
#3 | ACCEPTED | 0.21 s | 3 | details |
#4 | ACCEPTED | 0.16 s | 3 | details |
#5 | ACCEPTED | 0.27 s | 3 | details |
Code
#include <bits/stdc++.h>using namespace std;typedef long long ll;ll x[202020], su[202020], p[202020], t[202020][20][3];int main(){ios_base::sync_with_stdio(0);cin.tie(0);//�l� k�yt�, jos teht�v� on interaktiivinen!ll n, q;cin >> n >> q;for (int i=1; i<=n; ++i){ll a;cin >> a;x[i]=a;su[i] = su[i-1] + x[i];}//x[n+1]=1e9+1;ll a=n;for (int i=n; i>=1; --i){if (x[i]>x[i+1]){a=i;}p[i]=a;}set<pair<ll, ll>> s;for (int i=1; i<=n; ++i){auto it=s.begin();while (it->first<x[i] && it!=s.end()){int a=it->second;t[a][0][1]=i;t[a][0][2]=(i-a)*x[a] - (su[i-1] - su[a-1]);s.erase(*it);it=s.begin();}if (x[i+1]<x[i]){s.insert({x[i], i});}}for (auto u:s){int a=u.second;t[a][0][1]=n+2;t[a][0][2]=(n+1-a)*x[a] - (su[n] - su[a-1]);}t[n+1][0][1]=n+2;t[n+1][0][2]=0;for (int i=n; i>=1; --i){if (x[i]<=x[i+1]) {t[i][0][1]=t[i+1][0][1];t[i][0][2]=t[i+1][0][2];}for (int j=1; j<=19; ++j){ll b=t[i][j-1][1];if (b==(n+2)){t[i][j][1]=n+2;t[i][j][2]=t[i][j-1][2];}else{t[i][j][1]=t[b][j-1][1];t[i][j][2]=t[i][j-1][2] + t[b][j-1][2];}}}for (int i=1; i<=q; ++i){ll a, b;cin >> a >> b;ll ans=0;ll c=0;while (t[a][c+1][1]<=b) c++;while (c>=0){if (t[a][c][1]<=b){ans+=t[a][c][2];a = t[a][c][1];}c--;}if (p[a]<b){ans+=(b-p[a])*x[p[a]] - (su[b] - su[p[a]]);}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 |