| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 401607 |
2021-05-10T14:46:05 Z |
maximath_1 |
Peru (RMI20_peru) |
C++17 |
|
163 ms |
60148 KB |
#include <bits/stdc++.h>
#include "peru.h"
using namespace std;
#define ll long long
const ll mod = 1e9 + 7;
const ll base = 23;
const ll inf_ll = mod * 2ll * mod + 69ll;
const int MX = 2500005;
ll pwbase[MX];
int n, k, v[MX];
ll dp[MX];
struct dt{
int id;
ll dp_id, dp_min;
};
deque<dt> dq;
int vv = 0;
void pop_front(){
if(dq.size()) dq.pop_front();
if(dq.size()){
ll dp_i = dq.front().dp_id;
dq.front().dp_id = inf_ll;
dq.front().dp_min = inf_ll;
for(int i = 1; i < dq.size(); i ++){
if(dq[i].dp_id <= dp_i) break;
vv ++;
dq[i].dp_min = min(dq[i - 1].dp_min, dq[i].dp_id);
}
}
}
void push_back(int id){
if(dq.empty()){
dq.push_back((dt){id, inf_ll, inf_ll});
return;
}
ll bf = dp[dq.back().id];
dq.push_back((dt){id, bf + v[id], min(bf + v[id], dq.back().dp_min)});
return;
}
int solve(int N, int K, int* V){
n = N; k = K;
for(int i = 0; i < n; i ++) v[i] = V[i];
for(int i = 0; i < n; i ++){
if(dq.size() && i - dq.front().id >= k) pop_front();
while(dq.size() && v[i] >= v[dq.back().id]) dq.pop_back();
push_back(i);
dp[i] = (ll)v[dq.front().id];
if(i >= k) dp[i] += dp[i - k];
if(dq.size())
dp[i] = min(dp[i], dq.back().dp_min);
}
assert(vv <= 2 * n);
pwbase[0] = 1ll;
for(int i = 1; i < n; i ++)
pwbase[i] = (pwbase[i - 1] * 1ll * base) % mod;
ll ans = 0ll;
for(int i = 0; i < n; i ++){
dp[i] %= mod;
(ans += (pwbase[n - 1 - i] * 1ll * dp[i]) % mod) %= mod;
}
return ans;
}
Compilation message
peru.cpp: In function 'void pop_front()':
peru.cpp:28:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<dt>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | for(int i = 1; i < dq.size(); i ++){
| ~~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
0 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
0 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
21 ms |
9812 KB |
Output is correct |
| 16 |
Correct |
21 ms |
9788 KB |
Output is correct |
| 17 |
Correct |
28 ms |
9748 KB |
Output is correct |
| 18 |
Correct |
27 ms |
9768 KB |
Output is correct |
| 19 |
Correct |
27 ms |
9732 KB |
Output is correct |
| 20 |
Correct |
27 ms |
9792 KB |
Output is correct |
| 21 |
Correct |
23 ms |
9812 KB |
Output is correct |
| 22 |
Correct |
22 ms |
9836 KB |
Output is correct |
| 23 |
Correct |
22 ms |
9800 KB |
Output is correct |
| 24 |
Correct |
29 ms |
9752 KB |
Output is correct |
| 25 |
Correct |
24 ms |
9812 KB |
Output is correct |
| 26 |
Correct |
25 ms |
9812 KB |
Output is correct |
| 27 |
Correct |
21 ms |
9852 KB |
Output is correct |
| 28 |
Correct |
21 ms |
9812 KB |
Output is correct |
| 29 |
Correct |
25 ms |
9896 KB |
Output is correct |
| 30 |
Correct |
23 ms |
9784 KB |
Output is correct |
| 31 |
Correct |
25 ms |
9804 KB |
Output is correct |
| 32 |
Correct |
22 ms |
9812 KB |
Output is correct |
| 33 |
Correct |
25 ms |
9756 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
21 ms |
9812 KB |
Output is correct |
| 2 |
Correct |
21 ms |
9788 KB |
Output is correct |
| 3 |
Correct |
28 ms |
9748 KB |
Output is correct |
| 4 |
Correct |
27 ms |
9768 KB |
Output is correct |
| 5 |
Correct |
27 ms |
9732 KB |
Output is correct |
| 6 |
Correct |
27 ms |
9792 KB |
Output is correct |
| 7 |
Correct |
23 ms |
9812 KB |
Output is correct |
| 8 |
Correct |
22 ms |
9836 KB |
Output is correct |
| 9 |
Correct |
22 ms |
9800 KB |
Output is correct |
| 10 |
Correct |
29 ms |
9752 KB |
Output is correct |
| 11 |
Correct |
24 ms |
9812 KB |
Output is correct |
| 12 |
Correct |
25 ms |
9812 KB |
Output is correct |
| 13 |
Correct |
21 ms |
9852 KB |
Output is correct |
| 14 |
Correct |
21 ms |
9812 KB |
Output is correct |
| 15 |
Correct |
25 ms |
9896 KB |
Output is correct |
| 16 |
Correct |
23 ms |
9784 KB |
Output is correct |
| 17 |
Correct |
25 ms |
9804 KB |
Output is correct |
| 18 |
Correct |
22 ms |
9812 KB |
Output is correct |
| 19 |
Correct |
25 ms |
9756 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
0 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
0 ms |
340 KB |
Output is correct |
| 28 |
Correct |
0 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
0 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
340 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
1 ms |
340 KB |
Output is correct |
| 34 |
Correct |
139 ms |
59164 KB |
Output is correct |
| 35 |
Correct |
128 ms |
59340 KB |
Output is correct |
| 36 |
Correct |
139 ms |
59264 KB |
Output is correct |
| 37 |
Correct |
150 ms |
59248 KB |
Output is correct |
| 38 |
Correct |
143 ms |
59220 KB |
Output is correct |
| 39 |
Correct |
143 ms |
59248 KB |
Output is correct |
| 40 |
Correct |
150 ms |
59212 KB |
Output is correct |
| 41 |
Correct |
136 ms |
59236 KB |
Output is correct |
| 42 |
Correct |
132 ms |
59288 KB |
Output is correct |
| 43 |
Correct |
50 ms |
23972 KB |
Output is correct |
| 44 |
Correct |
95 ms |
35660 KB |
Output is correct |
| 45 |
Correct |
100 ms |
35732 KB |
Output is correct |
| 46 |
Correct |
93 ms |
35624 KB |
Output is correct |
| 47 |
Correct |
131 ms |
59284 KB |
Output is correct |
| 48 |
Correct |
131 ms |
59348 KB |
Output is correct |
| 49 |
Correct |
144 ms |
59492 KB |
Output is correct |
| 50 |
Correct |
133 ms |
59996 KB |
Output is correct |
| 51 |
Correct |
129 ms |
59788 KB |
Output is correct |
| 52 |
Correct |
161 ms |
60052 KB |
Output is correct |
| 53 |
Correct |
149 ms |
60148 KB |
Output is correct |
| 54 |
Correct |
161 ms |
59236 KB |
Output is correct |
| 55 |
Correct |
146 ms |
59148 KB |
Output is correct |
| 56 |
Correct |
138 ms |
59128 KB |
Output is correct |
| 57 |
Correct |
136 ms |
59160 KB |
Output is correct |
| 58 |
Correct |
144 ms |
59176 KB |
Output is correct |
| 59 |
Correct |
138 ms |
59140 KB |
Output is correct |
| 60 |
Correct |
144 ms |
59240 KB |
Output is correct |
| 61 |
Correct |
162 ms |
59304 KB |
Output is correct |
| 62 |
Correct |
147 ms |
59360 KB |
Output is correct |
| 63 |
Correct |
163 ms |
59320 KB |
Output is correct |
