oj.uz

답안 #285018

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
285018 2020-08-28T08:59:15 Z achibasadzishvili Discharging (NOI20_discharging) C++17
100 / 100
 683 ms 83952 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx2,fma")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#define ll long long
#define f first
#define s second
#define pb push_back
using namespace std;
int n,a[1000002];
ll dp[1000002];
int rm[1000002][21],po[2000002],pw[200],raod,mn,lo,pr[2000002];
int lef[1000002],rig[1000002];
vector<int>del[1000002];
int get(int x,int y){
    return pr[y];
}
int ind(int x,int y){
    if(y == n)return -1;
    ll l = y + 1,r = n,mid,ind = -1;
    while(r >= l){
        mid = (l + r) / 2;
        if(dp[x] + (ll)get(x + 1 , mid) * (n - x) > dp[y] + (ll)get(y + 1 , mid) * (n - y)){
            r = mid - 1;
            ind = mid;
        }
        else
            l = mid + 1;
    }
    return ind;
}
void delet(int x){
    if(lef[x] == rig[x] && lef[x] == -1)return;
    if(lef[x] == -1){
        lef[rig[x]] = -1;
        mn = rig[x];
        rig[x] = -1;
        return;
    }
    rig[lef[x]] = rig[x];
    lef[rig[x]] = lef[x];
    int cur = ind(lef[x] , rig[x]);
    if(cur == -1){
        lef[x] = rig[x] = -1;
        return;
    }
    del[cur].pb(lef[x]);
    lef[x] = rig[x] = -1;
}
int main(){
    scanf("%d",&n);
    for(int i=1; i<=n; i++){
        scanf("%d",&a[i]);
        pr[i] = max(a[i] , pr[i - 1]);
    }
    for(int i=0; i<=n; i++)
        lef[i] = rig[i] = -1;
    for(int i=1; i<=n; i++){
        for(int j=0; j<del[i].size(); j++){
            delet(del[i][j]);
        }
        dp[i] = dp[mn] + (ll)get(mn + 1 , i) * (ll)(n - mn);
        rig[i - 1] = i;
        lef[i] = i - 1;
        ll cur = ind(i - 1 , i);
        if(cur != -1)
            del[cur].pb(i - 1);
    }
    //cout << "time: " << clock() - cl << " " << raod << '\n';
    cout << dp[n];
    
    
    return 0;
}

Compilation message

Discharging.cpp:5: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    5 | #pragma GCC optimization ("O3")
      | 
Discharging.cpp:6: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    6 | #pragma GCC optimization ("unroll-loops")
      | 
Discharging.cpp: In function 'int main()':
Discharging.cpp:61:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |         for(int j=0; j<del[i].size(); j++){
      |                      ~^~~~~~~~~~~~~~
Discharging.cpp:53:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   53 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
Discharging.cpp:55:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   55 |         scanf("%d",&a[i]);
      |         ~~~~~^~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 23900 KB Output is correct
2 Correct 16 ms 23912 KB Output is correct
3 Correct 16 ms 23808 KB Output is correct
4 Correct 17 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 19 ms 23808 KB Output is correct
7 Correct 19 ms 23808 KB Output is correct
8 Correct 16 ms 23936 KB Output is correct
9 Correct 16 ms 23808 KB Output is correct
10 Correct 15 ms 23808 KB Output is correct
11 Correct 19 ms 23808 KB Output is correct
12 Correct 19 ms 23808 KB Output is correct
13 Correct 15 ms 23808 KB Output is correct
14 Correct 15 ms 23808 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 23936 KB Output is correct
2 Correct 19 ms 23936 KB Output is correct
3 Correct 17 ms 23936 KB Output is correct
4 Correct 19 ms 23936 KB Output is correct
5 Correct 17 ms 23936 KB Output is correct
6 Correct 17 ms 23936 KB Output is correct
7 Correct 17 ms 23928 KB Output is correct
8 Correct 18 ms 23928 KB Output is correct
9 Correct 17 ms 23936 KB Output is correct
10 Correct 17 ms 23928 KB Output is correct
11 Correct 17 ms 23936 KB Output is correct
12 Correct 17 ms 23936 KB Output is correct
13 Correct 17 ms 23936 KB Output is correct
14 Correct 17 ms 23936 KB Output is correct
15 Correct 17 ms 23936 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 23936 KB Output is correct
2 Correct 19 ms 23936 KB Output is correct
3 Correct 17 ms 23936 KB Output is correct
4 Correct 19 ms 23936 KB Output is correct
5 Correct 17 ms 23936 KB Output is correct
6 Correct 17 ms 23936 KB Output is correct
7 Correct 17 ms 23928 KB Output is correct
8 Correct 18 ms 23928 KB Output is correct
9 Correct 17 ms 23936 KB Output is correct
10 Correct 17 ms 23928 KB Output is correct
11 Correct 17 ms 23936 KB Output is correct
12 Correct 17 ms 23936 KB Output is correct
13 Correct 17 ms 23936 KB Output is correct
14 Correct 17 ms 23936 KB Output is correct
15 Correct 17 ms 23936 KB Output is correct
16 Correct 553 ms 82064 KB Output is correct
17 Correct 631 ms 78944 KB Output is correct
18 Correct 508 ms 81908 KB Output is correct
19 Correct 573 ms 77944 KB Output is correct
20 Correct 624 ms 77816 KB Output is correct
21 Correct 629 ms 78800 KB Output is correct
22 Correct 574 ms 79176 KB Output is correct
23 Correct 673 ms 76024 KB Output is correct
24 Correct 612 ms 77108 KB Output is correct
25 Correct 612 ms 76660 KB Output is correct
26 Correct 683 ms 74748 KB Output is correct
27 Correct 528 ms 80508 KB Output is correct
28 Correct 602 ms 78456 KB Output is correct
29 Correct 608 ms 75892 KB Output is correct
30 Correct 645 ms 75436 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 367 ms 78584 KB Output is correct
2 Correct 358 ms 78584 KB Output is correct
3 Correct 383 ms 78584 KB Output is correct
4 Correct 365 ms 78584 KB Output is correct
5 Correct 385 ms 78748 KB Output is correct
6 Correct 366 ms 78584 KB Output is correct
7 Correct 365 ms 78584 KB Output is correct
8 Correct 370 ms 78712 KB Output is correct
9 Correct 361 ms 78584 KB Output is correct
10 Correct 364 ms 78584 KB Output is correct

Subtask #5
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 23900 KB Output is correct
2 Correct 16 ms 23912 KB Output is correct
3 Correct 16 ms 23808 KB Output is correct
4 Correct 17 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 19 ms 23808 KB Output is correct
7 Correct 19 ms 23808 KB Output is correct
8 Correct 16 ms 23936 KB Output is correct
9 Correct 16 ms 23808 KB Output is correct
10 Correct 15 ms 23808 KB Output is correct
11 Correct 19 ms 23808 KB Output is correct
12 Correct 19 ms 23808 KB Output is correct
13 Correct 15 ms 23808 KB Output is correct
14 Correct 15 ms 23808 KB Output is correct
15 Correct 17 ms 23936 KB Output is correct
16 Correct 19 ms 23936 KB Output is correct
17 Correct 17 ms 23936 KB Output is correct
18 Correct 19 ms 23936 KB Output is correct
19 Correct 17 ms 23936 KB Output is correct
20 Correct 17 ms 23936 KB Output is correct
21 Correct 17 ms 23928 KB Output is correct
22 Correct 18 ms 23928 KB Output is correct
23 Correct 17 ms 23936 KB Output is correct
24 Correct 17 ms 23928 KB Output is correct
25 Correct 17 ms 23936 KB Output is correct
26 Correct 17 ms 23936 KB Output is correct
27 Correct 17 ms 23936 KB Output is correct
28 Correct 17 ms 23936 KB Output is correct
29 Correct 17 ms 23936 KB Output is correct
30 Correct 17 ms 23936 KB Output is correct
31 Correct 17 ms 23936 KB Output is correct
32 Correct 17 ms 23936 KB Output is correct
33 Correct 17 ms 23932 KB Output is correct
34 Correct 17 ms 23936 KB Output is correct
35 Correct 20 ms 23928 KB Output is correct
36 Correct 17 ms 24064 KB Output is correct
37 Correct 17 ms 23936 KB Output is correct
38 Correct 20 ms 23936 KB Output is correct
39 Correct 16 ms 23936 KB Output is correct
40 Correct 17 ms 23936 KB Output is correct
41 Correct 18 ms 23936 KB Output is correct
42 Correct 20 ms 23936 KB Output is correct
43 Correct 18 ms 23928 KB Output is correct
44 Correct 17 ms 23936 KB Output is correct
45 Correct 16 ms 23936 KB Output is correct
46 Correct 16 ms 23936 KB Output is correct
47 Correct 17 ms 23936 KB Output is correct
48 Correct 17 ms 23936 KB Output is correct
49 Correct 17 ms 23936 KB Output is correct
50 Correct 17 ms 23936 KB Output is correct

Subtask #6
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 23900 KB Output is correct
2 Correct 16 ms 23912 KB Output is correct
3 Correct 16 ms 23808 KB Output is correct
4 Correct 17 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 19 ms 23808 KB Output is correct
7 Correct 19 ms 23808 KB Output is correct
8 Correct 16 ms 23936 KB Output is correct
9 Correct 16 ms 23808 KB Output is correct
10 Correct 15 ms 23808 KB Output is correct
11 Correct 19 ms 23808 KB Output is correct
12 Correct 19 ms 23808 KB Output is correct
13 Correct 15 ms 23808 KB Output is correct
14 Correct 15 ms 23808 KB Output is correct
15 Correct 17 ms 23936 KB Output is correct
16 Correct 19 ms 23936 KB Output is correct
17 Correct 17 ms 23936 KB Output is correct
18 Correct 19 ms 23936 KB Output is correct
19 Correct 17 ms 23936 KB Output is correct
20 Correct 17 ms 23936 KB Output is correct
21 Correct 17 ms 23928 KB Output is correct
22 Correct 18 ms 23928 KB Output is correct
23 Correct 17 ms 23936 KB Output is correct
24 Correct 17 ms 23928 KB Output is correct
25 Correct 17 ms 23936 KB Output is correct
26 Correct 17 ms 23936 KB Output is correct
27 Correct 17 ms 23936 KB Output is correct
28 Correct 17 ms 23936 KB Output is correct
29 Correct 17 ms 23936 KB Output is correct
30 Correct 553 ms 82064 KB Output is correct
31 Correct 631 ms 78944 KB Output is correct
32 Correct 508 ms 81908 KB Output is correct
33 Correct 573 ms 77944 KB Output is correct
34 Correct 624 ms 77816 KB Output is correct
35 Correct 629 ms 78800 KB Output is correct
36 Correct 574 ms 79176 KB Output is correct
37 Correct 673 ms 76024 KB Output is correct
38 Correct 612 ms 77108 KB Output is correct
39 Correct 612 ms 76660 KB Output is correct
40 Correct 683 ms 74748 KB Output is correct
41 Correct 528 ms 80508 KB Output is correct
42 Correct 602 ms 78456 KB Output is correct
43 Correct 608 ms 75892 KB Output is correct
44 Correct 645 ms 75436 KB Output is correct
45 Correct 367 ms 78584 KB Output is correct
46 Correct 358 ms 78584 KB Output is correct
47 Correct 383 ms 78584 KB Output is correct
48 Correct 365 ms 78584 KB Output is correct
49 Correct 385 ms 78748 KB Output is correct
50 Correct 366 ms 78584 KB Output is correct
51 Correct 365 ms 78584 KB Output is correct
52 Correct 370 ms 78712 KB Output is correct
53 Correct 361 ms 78584 KB Output is correct
54 Correct 364 ms 78584 KB Output is correct
55 Correct 17 ms 23936 KB Output is correct
56 Correct 17 ms 23936 KB Output is correct
57 Correct 17 ms 23936 KB Output is correct
58 Correct 17 ms 23932 KB Output is correct
59 Correct 17 ms 23936 KB Output is correct
60 Correct 20 ms 23928 KB Output is correct
61 Correct 17 ms 24064 KB Output is correct
62 Correct 17 ms 23936 KB Output is correct
63 Correct 20 ms 23936 KB Output is correct
64 Correct 16 ms 23936 KB Output is correct
65 Correct 17 ms 23936 KB Output is correct
66 Correct 18 ms 23936 KB Output is correct
67 Correct 20 ms 23936 KB Output is correct
68 Correct 18 ms 23928 KB Output is correct
69 Correct 17 ms 23936 KB Output is correct
70 Correct 16 ms 23936 KB Output is correct
71 Correct 16 ms 23936 KB Output is correct
72 Correct 17 ms 23936 KB Output is correct
73 Correct 17 ms 23936 KB Output is correct
74 Correct 17 ms 23936 KB Output is correct
75 Correct 17 ms 23936 KB Output is correct
76 Correct 454 ms 83772 KB Output is correct
77 Correct 388 ms 83568 KB Output is correct
78 Correct 387 ms 83952 KB Output is correct
79 Correct 385 ms 83616 KB Output is correct
80 Correct 387 ms 83436 KB Output is correct
81 Correct 385 ms 83824 KB Output is correct
82 Correct 397 ms 83588 KB Output is correct
83 Correct 385 ms 83212 KB Output is correct
84 Correct 390 ms 83440 KB Output is correct
85 Correct 386 ms 83440 KB Output is correct
86 Correct 381 ms 83440 KB Output is correct
87 Correct 384 ms 83476 KB Output is correct
88 Correct 392 ms 83336 KB Output is correct
89 Correct 390 ms 83696 KB Output is correct
90 Correct 379 ms 83696 KB Output is correct
91 Correct 382 ms 83440 KB Output is correct
92 Correct 635 ms 74892 KB Output is correct
93 Correct 586 ms 76216 KB Output is correct
94 Correct 379 ms 83056 KB Output is correct
95 Correct 392 ms 82288 KB Output is correct
96 Correct 383 ms 82536 KB Output is correct
97 Correct 384 ms 82800 KB Output is correct
98 Correct 394 ms 82928 KB Output is correct
99 Correct 383 ms 82156 KB Output is correct
100 Correct 384 ms 82412 KB Output is correct