oj.uz

Submission #748185

# Submission time Handle Problem Language Result Execution time Memory
748185 2023-05-25T14:12:11 Z snpmrnhlol Cake 3 (JOI19_cake3) C++17
100 / 100
 1177 ms 208720 KB 
#include <bits/stdc++.h>
//#pragma GCC optimize("")
using namespace std;
typedef long long ll;
const ll N = 2e5,logN = 32,maxa = 2e9;
const ll inf64 = 1ll*1e9*1e9;
const ll inf32 = 2e9;
struct numbers{
    ll v,c;
}v[N];
struct nod{
    ll cnt = 0,sum = 0,l = 0,r = 0;
};
nod seg[logN*N];
ll root[N];
ll n,k;
ll cnt2 = 1;
void upd(ll old,ll cur,ll val,ll l = 1,ll r = maxa){
    if(l == r){
        seg[cur].sum = seg[old].sum + val;
        seg[cur].cnt = seg[old].cnt + 1;
    }else{
        ll mij = (l + r)/2;
        if(val <= mij){
            seg[cur].r = seg[old].r;
            seg[cur].l = cnt2++;
            upd(seg[old].l,seg[cur].l,val,l,mij);
        }else{
            seg[cur].r = cnt2++;
            seg[cur].l = seg[old].l;
            upd(seg[old].r,seg[cur].r,val,mij + 1,r);
        }
        seg[cur].cnt = seg[seg[cur].l].cnt + seg[seg[cur].r].cnt;
        seg[cur].sum = seg[seg[cur].l].sum + seg[seg[cur].r].sum;
    }
}
ll get(ll old,ll cur,ll nr = k,ll l = 1,ll r = maxa){
    //cout<<old<<' '<<cur<<' '<<nr<<' '<<l<<' '<<r<<'\n';
    if(l == r){
        //cout<<nr*l<<'\n';
        return 1ll*nr*l;
    }else{
        ll mij = (l + r)/2;
        if(seg[seg[cur].r].cnt - seg[seg[old].r].cnt >= nr){
            return get(seg[old].r,seg[cur].r,nr,mij + 1,r);
        }else{
            //cout<<seg[seg[cur].r].sum - seg[seg[old].r].sum<<'\n';
            return seg[seg[cur].r].sum - seg[seg[old].r].sum + get(seg[old].l,seg[cur].l,nr - (seg[seg[cur].r].cnt - seg[seg[old].r].cnt),l,mij);
        }
    }
}
ll ans = -inf64;
void solve(ll l,ll r,ll l2,ll r2){
    if(l > r)return;
    ///haha shitty greedy wooo yeah
    ll score = -inf64,id = l2;
    ll mij = (l + r)/2,i;
    for(i = l2;i <= min(mij - k + 1,r2);i++){
        ll nr = get((i==0?0:root[i-1]),root[mij]);
        if(nr - v[mij].c + v[i].c > score){
            score = nr - v[mij].c + v[i].c;
            id = i;
        }
    }
    ans = max(ans,score);
    solve(l,mij - 1,l2,id);
    solve(mij + 1,r,id,r2);
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll i,j;
    cin>>n>>k;
    for(i = 0;i < n;i++){
        cin>>v[i].v>>v[i].c;
        v[i].c*=2;
    }
    sort(v,v + n,[&](numbers a,numbers b){
        return a.c < b.c;
    });
    for(i = 0;i < n;i++){
        root[i] = cnt2++;
        upd(i == 0?0:root[i-1],root[i],v[i].v);
    }
    solve(0,n - 1,0,n - 1);
    cout<<ans;
    return 0;
}
/**
5 5
100 1
100 2
100 3
100 4
100 5
**/

Compilation message

cake3.cpp: In function 'int main()':
cake3.cpp:72:10: warning: unused variable 'j' [-Wunused-variable]
   72 |     ll i,j;
      |          ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 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 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 328 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 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 328 KB Output is correct
34 Correct 1 ms 328 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 1 ms 340 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 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 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 328 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 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 328 KB Output is correct
34 Correct 1 ms 328 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 5 ms 2256 KB Output is correct
39 Correct 8 ms 2388 KB Output is correct
40 Correct 4 ms 2260 KB Output is correct
41 Correct 4 ms 2172 KB Output is correct
42 Correct 3 ms 2260 KB Output is correct
43 Correct 4 ms 2132 KB Output is correct
44 Correct 7 ms 2132 KB Output is correct
45 Correct 5 ms 2260 KB Output is correct
46 Correct 5 ms 2388 KB Output is correct
47 Correct 5 ms 2260 KB Output is correct
48 Correct 5 ms 2132 KB Output is correct
49 Correct 4 ms 2388 KB Output is correct
50 Correct 4 ms 2260 KB Output is correct
51 Correct 4 ms 2260 KB Output is correct
52 Correct 4 ms 2260 KB Output is correct
53 Correct 5 ms 2256 KB Output is correct
54 Correct 3 ms 2388 KB Output is correct
55 Correct 3 ms 2260 KB Output is correct
56 Correct 3 ms 2260 KB Output is correct
57 Correct 3 ms 2288 KB Output is correct
58 Correct 3 ms 2256 KB Output is correct
59 Correct 3 ms 2132 KB Output is correct
60 Correct 3 ms 2260 KB Output is correct
61 Correct 3 ms 2260 KB Output is correct
62 Correct 3 ms 2388 KB Output is correct
63 Correct 3 ms 2384 KB Output is correct
64 Correct 3 ms 2388 KB Output is correct
65 Correct 4 ms 2260 KB Output is correct
66 Correct 4 ms 2260 KB Output is correct
67 Correct 5 ms 2260 KB Output is correct
68 Correct 5 ms 2388 KB Output is correct
69 Correct 4 ms 2300 KB Output is correct
70 Correct 4 ms 2260 KB Output is correct
71 Correct 3 ms 2260 KB Output is correct
72 Correct 3 ms 2388 KB Output is correct
73 Correct 5 ms 2420 KB Output is correct
74 Correct 3 ms 2352 KB Output is correct

Subtask #3
76.0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 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 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 328 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 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 328 KB Output is correct
34 Correct 1 ms 328 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 5 ms 2256 KB Output is correct
39 Correct 8 ms 2388 KB Output is correct
40 Correct 4 ms 2260 KB Output is correct
41 Correct 4 ms 2172 KB Output is correct
42 Correct 3 ms 2260 KB Output is correct
43 Correct 4 ms 2132 KB Output is correct
44 Correct 7 ms 2132 KB Output is correct
45 Correct 5 ms 2260 KB Output is correct
46 Correct 5 ms 2388 KB Output is correct
47 Correct 5 ms 2260 KB Output is correct
48 Correct 5 ms 2132 KB Output is correct
49 Correct 4 ms 2388 KB Output is correct
50 Correct 4 ms 2260 KB Output is correct
51 Correct 4 ms 2260 KB Output is correct
52 Correct 4 ms 2260 KB Output is correct
53 Correct 5 ms 2256 KB Output is correct
54 Correct 3 ms 2388 KB Output is correct
55 Correct 3 ms 2260 KB Output is correct
56 Correct 3 ms 2260 KB Output is correct
57 Correct 3 ms 2288 KB Output is correct
58 Correct 3 ms 2256 KB Output is correct
59 Correct 3 ms 2132 KB Output is correct
60 Correct 3 ms 2260 KB Output is correct
61 Correct 3 ms 2260 KB Output is correct
62 Correct 3 ms 2388 KB Output is correct
63 Correct 3 ms 2384 KB Output is correct
64 Correct 3 ms 2388 KB Output is correct
65 Correct 4 ms 2260 KB Output is correct
66 Correct 4 ms 2260 KB Output is correct
67 Correct 5 ms 2260 KB Output is correct
68 Correct 5 ms 2388 KB Output is correct
69 Correct 4 ms 2300 KB Output is correct
70 Correct 4 ms 2260 KB Output is correct
71 Correct 3 ms 2260 KB Output is correct
72 Correct 3 ms 2388 KB Output is correct
73 Correct 5 ms 2420 KB Output is correct
74 Correct 3 ms 2352 KB Output is correct
75 Correct 1177 ms 194528 KB Output is correct
76 Correct 1079 ms 189260 KB Output is correct
77 Correct 909 ms 194956 KB Output is correct
78 Correct 988 ms 197880 KB Output is correct
79 Correct 256 ms 198576 KB Output is correct
80 Correct 317 ms 192912 KB Output is correct
81 Correct 513 ms 196044 KB Output is correct
82 Correct 655 ms 198644 KB Output is correct
83 Correct 582 ms 205068 KB Output is correct
84 Correct 612 ms 204488 KB Output is correct
85 Correct 520 ms 197692 KB Output is correct
86 Correct 306 ms 190912 KB Output is correct
87 Correct 338 ms 188360 KB Output is correct
88 Correct 475 ms 187244 KB Output is correct
89 Correct 441 ms 197580 KB Output is correct
90 Correct 327 ms 206668 KB Output is correct
91 Correct 263 ms 191308 KB Output is correct
92 Correct 267 ms 189736 KB Output is correct
93 Correct 299 ms 197772 KB Output is correct
94 Correct 246 ms 206496 KB Output is correct
95 Correct 329 ms 206856 KB Output is correct
96 Correct 321 ms 186884 KB Output is correct
97 Correct 345 ms 207700 KB Output is correct
98 Correct 353 ms 204752 KB Output is correct
99 Correct 313 ms 205184 KB Output is correct
100 Correct 275 ms 193408 KB Output is correct
101 Correct 284 ms 193632 KB Output is correct
102 Correct 468 ms 193212 KB Output is correct
103 Correct 457 ms 190636 KB Output is correct
104 Correct 535 ms 200948 KB Output is correct
105 Correct 372 ms 200304 KB Output is correct
106 Correct 409 ms 205368 KB Output is correct
107 Correct 348 ms 198212 KB Output is correct
108 Correct 803 ms 196940 KB Output is correct
109 Correct 666 ms 208576 KB Output is correct
110 Correct 229 ms 194252 KB Output is correct
111 Correct 284 ms 196296 KB Output is correct
112 Correct 973 ms 187216 KB Output is correct
113 Correct 250 ms 208720 KB Output is correct