Task: | Kyselyt |
Sender: | Olli |
Submission time: | 2020-10-17 10:16:49 +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 | 0.38 s | 2, 3 | details |
#3 | ACCEPTED | 0.36 s | 3 | details |
#4 | ACCEPTED | 0.49 s | 3 | details |
#5 | ACCEPTED | 0.34 s | 3 | details |
Code
#include <iostream>#include <vector>#include <algorithm>#include <queue>#include <stack>using namespace std;typedef pair<int, int> pii;typedef long long ll;const int N = 2e5 + 5;const int M = 25;const int INF = 1e9 + 7;ll t[N];ll ne[N];ll f[N][M];ll h[N][M];ll s[N];int main() {iostream::sync_with_stdio(false);cin.tie(0);int n, Q;cin >> n >> Q;for(int i = 1; i <= n; ++i) {cin >> t[i];s[i] = s[i-1] + t[i];}s[n+1] = s[n];stack<int> q;ne[n+1] = n+1;t[n+1] = INF;q.push(n+1);for(int i = n; i >= 1; --i) {while(t[i] > t[q.top()]) {q.pop();}ne[i] = q.top();q.push(i);}for(int k = 0; k < M; ++k) {for(int i = 1; i <= n+1; ++i) {if(k == 0) {h[i][0] = ne[i];} else {h[i][k] = h[h[i][k-1]][k-1];}}}/*for(int k = 0; k <= 3; ++k) {for(int i = 1; i <= n; ++i) {cout << h[i][k] << " ";}cout << "\n";}return 0;*/for(int k = 0; k < M; ++k) {for(int i = 1; i <= n; ++i) {if(k == 0) {f[i][0] = t[i] * (ne[i] - i - 1) - (s[ne[i] - 1] - s[i]);} else {f[i][k] = f[i][k-1] + f[h[i][k-1]][k-1];}}}for(int i = 1; i <= Q; ++i) {int a, b;cin >> a >> b;ll ans = 0;for(int k = 24; k >= 0; --k) {if(h[a][k] > b) continue;ans += f[a][k];a = h[a][k];}ans += (b - a)*t[a] - (s[b] - s[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 |