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답안 #208143

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
208143 2020-03-10T05:23:32 Z achibasadzishvili Cake 3 (JOI19_cake3) C++17
100 / 100
 988 ms 111336 KB 
#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pb push_back
#define N 200005
using namespace std;
pair<ll,ll>a[N];
long long co,cur,z,kk,sum1,sum2,of;
int t,raod,pp,mid,ind;
ll n,m,ans=-9999999999999999;
bool lst[3 * N + 60000];
vector<long long>v[3*N + 60000];
vector<int>b[3*N + 60000],g;
void build(int x){
    if((int)v[x].size() <= 1){
        lst[x] = 1;
        return;
    }
    g.clear();
    for(int i=1; i<v[x].size(); i++)
        g.pb(v[x][i]);
    sort(g.begin() , g.end());
    if(g[0] == g[g.size() - 1]){
        lst[x] = 1;
        return;
    }
    of=0;
    mid = g[((int)g.size() - 1) / 2];
    for(int i=((int)g.size() - 1) / 2; i>=0; i--){
        if(g[i] == mid)of++;
    }
    raod = 0,pp = 0;
    v[2*x].pb(0);b[2*x].pb(0);
    v[2*x+1].pb(0);b[2*x+1].pb(0);
    kk = v[x][1] , sum1 = 0 , sum2 = 0;
    for(int i=1; i<v[x].size(); i++){
        t = v[x][i];
        if(t == mid)of--;
        if(t != kk)pp = 1;
        if(t <= mid && !(t == mid && of < 0)){
            v[2 * x].pb(t);
            sum1 += t;
            raod++;
        }
        else{
            v[2 * x + 1].pb(t);
            sum2 += t;
        }
        b[x].pb(raod);
        v[x][i] = sum2;
    }
    if(!pp){lst[x] = 1;return;}
    build(2 * x);
    build(2 * x + 1);
}

void count(int x,int L,int R,int rao){
    if(lst[x] == 1){
        if((int)v[x].size() <= 1)return;
        co += min((ll)rao , (ll)((int)v[x].size() - 1)) * v[x][1];
        return;
    }
    if(R - L + 1 - b[x][R] + b[x][L - 1] >= rao)
        count(2 * x + 1 , L - b[x][L - 1] , R - b[x][R] , rao);
    if(R - L + 1 - b[x][R] + b[x][L - 1] < rao){
        co += v[x][R] - v[x][L - 1];
        count(2 * x, b[x][L - 1] + 1 , b[x][R] , rao - (R - L + 1 - b[x][R] + b[x][L - 1]));
    }
}

void buildwavelet(){
    v[1].pb(0);
    b[1].pb(0);
    for(int i=1; i<=n; i++)
        v[1].pb(a[i].s);
    build(1);
}
ll get(int x,int y,int k){
    co = 0;
    count(1 , x , y , k);
    return co;
}
void solve(ll l,ll r,ll x,ll y){
    l = max(l , x + m - 1);
    if(l > r)return;
    ll k = (l + r) / 2;
    ll mx = -9999999999999999 , ind = y;
    ll cur = 0;
    for(int i=min(y , k - m + 1); i>=x; i--){
        cur = get(i + 1 , k - 1 , m - 2) + a[i].s + a[k].s - 2 * (a[k].f - a[i].f);
        if(cur > mx)
                mx = cur,
                ind = i;
    }
    if(mx == -9999999999999999)return;
    ans = max(ans , mx);
    if(l == r)return;
    solve(l , k , x , ind);
    solve(k + 1 , r , ind , y);
}
int main(){
    ios::sync_with_stdio(false);
    cin >> n >> m;
    
    for(int i=1; i<=n; i++){
        cin >> a[i].s >> a[i].f;
    }
    sort(a + 1 , a + n + 1);
    
    buildwavelet();
    
    solve(1 , n , 1 , n);
    
    cout << ans << '\n';
    
    
    return 0;
}

Compilation message

cake3.cpp: In function 'void build(int)':
cake3.cpp:21:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=1; i<v[x].size(); i++)
                  ~^~~~~~~~~~~~
cake3.cpp:37:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=1; i<v[x].size(); i++){
                  ~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 31352 KB Output is correct
2 Correct 21 ms 31352 KB Output is correct
3 Correct 21 ms 31352 KB Output is correct
4 Correct 21 ms 31352 KB Output is correct
5 Correct 21 ms 31352 KB Output is correct
6 Correct 22 ms 31352 KB Output is correct
7 Correct 21 ms 31352 KB Output is correct
8 Correct 21 ms 31352 KB Output is correct
9 Correct 22 ms 31420 KB Output is correct
10 Correct 21 ms 31352 KB Output is correct
11 Correct 22 ms 31352 KB Output is correct
12 Correct 22 ms 31352 KB Output is correct
13 Correct 21 ms 31352 KB Output is correct
14 Correct 21 ms 31356 KB Output is correct
15 Correct 21 ms 31352 KB Output is correct
16 Correct 22 ms 31352 KB Output is correct
17 Correct 22 ms 31356 KB Output is correct
18 Correct 21 ms 31352 KB Output is correct
19 Correct 21 ms 31352 KB Output is correct
20 Correct 21 ms 31352 KB Output is correct
21 Correct 24 ms 31480 KB Output is correct
22 Correct 21 ms 31352 KB Output is correct
23 Correct 21 ms 31352 KB Output is correct
24 Correct 20 ms 31352 KB Output is correct
25 Correct 21 ms 31352 KB Output is correct
26 Correct 21 ms 31352 KB Output is correct
27 Correct 21 ms 31352 KB Output is correct
28 Correct 21 ms 31352 KB Output is correct
29 Correct 21 ms 31352 KB Output is correct
30 Correct 21 ms 31352 KB Output is correct
31 Correct 21 ms 31352 KB Output is correct
32 Correct 21 ms 31352 KB Output is correct
33 Correct 22 ms 31352 KB Output is correct
34 Correct 21 ms 31352 KB Output is correct
35 Correct 21 ms 31352 KB Output is correct
36 Correct 22 ms 31352 KB Output is correct
37 Correct 21 ms 31352 KB Output is correct

Subtask #2
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 31352 KB Output is correct
2 Correct 21 ms 31352 KB Output is correct
3 Correct 21 ms 31352 KB Output is correct
4 Correct 21 ms 31352 KB Output is correct
5 Correct 21 ms 31352 KB Output is correct
6 Correct 22 ms 31352 KB Output is correct
7 Correct 21 ms 31352 KB Output is correct
8 Correct 21 ms 31352 KB Output is correct
9 Correct 22 ms 31420 KB Output is correct
10 Correct 21 ms 31352 KB Output is correct
11 Correct 22 ms 31352 KB Output is correct
12 Correct 22 ms 31352 KB Output is correct
13 Correct 21 ms 31352 KB Output is correct
14 Correct 21 ms 31356 KB Output is correct
15 Correct 21 ms 31352 KB Output is correct
16 Correct 22 ms 31352 KB Output is correct
17 Correct 22 ms 31356 KB Output is correct
18 Correct 21 ms 31352 KB Output is correct
19 Correct 21 ms 31352 KB Output is correct
20 Correct 21 ms 31352 KB Output is correct
21 Correct 24 ms 31480 KB Output is correct
22 Correct 21 ms 31352 KB Output is correct
23 Correct 21 ms 31352 KB Output is correct
24 Correct 20 ms 31352 KB Output is correct
25 Correct 21 ms 31352 KB Output is correct
26 Correct 21 ms 31352 KB Output is correct
27 Correct 21 ms 31352 KB Output is correct
28 Correct 21 ms 31352 KB Output is correct
29 Correct 21 ms 31352 KB Output is correct
30 Correct 21 ms 31352 KB Output is correct
31 Correct 21 ms 31352 KB Output is correct
32 Correct 21 ms 31352 KB Output is correct
33 Correct 22 ms 31352 KB Output is correct
34 Correct 21 ms 31352 KB Output is correct
35 Correct 21 ms 31352 KB Output is correct
36 Correct 22 ms 31352 KB Output is correct
37 Correct 21 ms 31352 KB Output is correct
38 Correct 26 ms 31864 KB Output is correct
39 Correct 26 ms 31864 KB Output is correct
40 Correct 26 ms 31864 KB Output is correct
41 Correct 26 ms 31992 KB Output is correct
42 Correct 26 ms 31864 KB Output is correct
43 Correct 26 ms 31864 KB Output is correct
44 Correct 25 ms 31864 KB Output is correct
45 Correct 26 ms 31864 KB Output is correct
46 Correct 26 ms 31864 KB Output is correct
47 Correct 27 ms 31864 KB Output is correct
48 Correct 26 ms 31864 KB Output is correct
49 Correct 25 ms 31864 KB Output is correct
50 Correct 25 ms 31864 KB Output is correct
51 Correct 26 ms 31864 KB Output is correct
52 Correct 25 ms 31864 KB Output is correct
53 Correct 26 ms 31864 KB Output is correct
54 Correct 26 ms 31864 KB Output is correct
55 Correct 26 ms 31864 KB Output is correct
56 Correct 25 ms 31864 KB Output is correct
57 Correct 25 ms 31916 KB Output is correct
58 Correct 24 ms 31864 KB Output is correct
59 Correct 22 ms 31480 KB Output is correct
60 Correct 23 ms 31480 KB Output is correct
61 Correct 21 ms 31352 KB Output is correct
62 Correct 22 ms 31352 KB Output is correct
63 Correct 23 ms 31480 KB Output is correct
64 Correct 21 ms 31352 KB Output is correct
65 Correct 26 ms 31864 KB Output is correct
66 Correct 25 ms 31864 KB Output is correct
67 Correct 26 ms 31864 KB Output is correct
68 Correct 25 ms 31864 KB Output is correct
69 Correct 25 ms 31864 KB Output is correct
70 Correct 25 ms 31864 KB Output is correct
71 Correct 23 ms 31480 KB Output is correct
72 Correct 22 ms 31480 KB Output is correct
73 Correct 24 ms 31864 KB Output is correct
74 Correct 25 ms 31864 KB Output is correct

Subtask #3
76.0 / 76.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 31352 KB Output is correct
2 Correct 21 ms 31352 KB Output is correct
3 Correct 21 ms 31352 KB Output is correct
4 Correct 21 ms 31352 KB Output is correct
5 Correct 21 ms 31352 KB Output is correct
6 Correct 22 ms 31352 KB Output is correct
7 Correct 21 ms 31352 KB Output is correct
8 Correct 21 ms 31352 KB Output is correct
9 Correct 22 ms 31420 KB Output is correct
10 Correct 21 ms 31352 KB Output is correct
11 Correct 22 ms 31352 KB Output is correct
12 Correct 22 ms 31352 KB Output is correct
13 Correct 21 ms 31352 KB Output is correct
14 Correct 21 ms 31356 KB Output is correct
15 Correct 21 ms 31352 KB Output is correct
16 Correct 22 ms 31352 KB Output is correct
17 Correct 22 ms 31356 KB Output is correct
18 Correct 21 ms 31352 KB Output is correct
19 Correct 21 ms 31352 KB Output is correct
20 Correct 21 ms 31352 KB Output is correct
21 Correct 24 ms 31480 KB Output is correct
22 Correct 21 ms 31352 KB Output is correct
23 Correct 21 ms 31352 KB Output is correct
24 Correct 20 ms 31352 KB Output is correct
25 Correct 21 ms 31352 KB Output is correct
26 Correct 21 ms 31352 KB Output is correct
27 Correct 21 ms 31352 KB Output is correct
28 Correct 21 ms 31352 KB Output is correct
29 Correct 21 ms 31352 KB Output is correct
30 Correct 21 ms 31352 KB Output is correct
31 Correct 21 ms 31352 KB Output is correct
32 Correct 21 ms 31352 KB Output is correct
33 Correct 22 ms 31352 KB Output is correct
34 Correct 21 ms 31352 KB Output is correct
35 Correct 21 ms 31352 KB Output is correct
36 Correct 22 ms 31352 KB Output is correct
37 Correct 21 ms 31352 KB Output is correct
38 Correct 26 ms 31864 KB Output is correct
39 Correct 26 ms 31864 KB Output is correct
40 Correct 26 ms 31864 KB Output is correct
41 Correct 26 ms 31992 KB Output is correct
42 Correct 26 ms 31864 KB Output is correct
43 Correct 26 ms 31864 KB Output is correct
44 Correct 25 ms 31864 KB Output is correct
45 Correct 26 ms 31864 KB Output is correct
46 Correct 26 ms 31864 KB Output is correct
47 Correct 27 ms 31864 KB Output is correct
48 Correct 26 ms 31864 KB Output is correct
49 Correct 25 ms 31864 KB Output is correct
50 Correct 25 ms 31864 KB Output is correct
51 Correct 26 ms 31864 KB Output is correct
52 Correct 25 ms 31864 KB Output is correct
53 Correct 26 ms 31864 KB Output is correct
54 Correct 26 ms 31864 KB Output is correct
55 Correct 26 ms 31864 KB Output is correct
56 Correct 25 ms 31864 KB Output is correct
57 Correct 25 ms 31916 KB Output is correct
58 Correct 24 ms 31864 KB Output is correct
59 Correct 22 ms 31480 KB Output is correct
60 Correct 23 ms 31480 KB Output is correct
61 Correct 21 ms 31352 KB Output is correct
62 Correct 22 ms 31352 KB Output is correct
63 Correct 23 ms 31480 KB Output is correct
64 Correct 21 ms 31352 KB Output is correct
65 Correct 26 ms 31864 KB Output is correct
66 Correct 25 ms 31864 KB Output is correct
67 Correct 26 ms 31864 KB Output is correct
68 Correct 25 ms 31864 KB Output is correct
69 Correct 25 ms 31864 KB Output is correct
70 Correct 25 ms 31864 KB Output is correct
71 Correct 23 ms 31480 KB Output is correct
72 Correct 22 ms 31480 KB Output is correct
73 Correct 24 ms 31864 KB Output is correct
74 Correct 25 ms 31864 KB Output is correct
75 Correct 919 ms 104296 KB Output is correct
76 Correct 988 ms 106656 KB Output is correct
77 Correct 874 ms 107952 KB Output is correct
78 Correct 907 ms 108780 KB Output is correct
79 Correct 571 ms 109032 KB Output is correct
80 Correct 577 ms 107756 KB Output is correct
81 Correct 723 ms 92904 KB Output is correct
82 Correct 884 ms 97132 KB Output is correct
83 Correct 791 ms 95080 KB Output is correct
84 Correct 832 ms 95704 KB Output is correct
85 Correct 706 ms 93416 KB Output is correct
86 Correct 499 ms 89832 KB Output is correct
87 Correct 528 ms 90088 KB Output is correct
88 Correct 645 ms 91624 KB Output is correct
89 Correct 611 ms 91752 KB Output is correct
90 Correct 526 ms 91220 KB Output is correct
91 Correct 440 ms 88680 KB Output is correct
92 Correct 437 ms 88424 KB Output is correct
93 Correct 474 ms 89572 KB Output is correct
94 Correct 435 ms 88936 KB Output is correct
95 Correct 514 ms 90988 KB Output is correct
96 Correct 93 ms 40168 KB Output is correct
97 Correct 97 ms 40808 KB Output is correct
98 Correct 107 ms 40680 KB Output is correct
99 Correct 98 ms 40676 KB Output is correct
100 Correct 93 ms 40168 KB Output is correct
101 Correct 94 ms 40172 KB Output is correct
102 Correct 481 ms 79720 KB Output is correct
103 Correct 468 ms 79340 KB Output is correct
104 Correct 534 ms 81644 KB Output is correct
105 Correct 402 ms 78056 KB Output is correct
106 Correct 424 ms 78440 KB Output is correct
107 Correct 379 ms 77800 KB Output is correct
108 Correct 872 ms 108392 KB Output is correct
109 Correct 827 ms 111336 KB Output is correct
110 Correct 136 ms 52168 KB Output is correct
111 Correct 152 ms 52200 KB Output is correct
112 Correct 559 ms 105068 KB Output is correct
113 Correct 601 ms 111336 KB Output is correct