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Submission #1082170

# Submission time Handle Problem Language Result Execution time Memory
1082170 2024-08-30T19:39:57 Z CELD_07 Rice Hub (IOI11_ricehub) C++17
100 / 100
 324 ms 8796 KB 
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#define ll long long
#define endl "\n"
#define inf LLONG_MAX
#define vll vector<ll>
#define sd second
#define ft first
#define al(x) x.begin(),x.end()
#define alr(x) x.rbegin(),x.rend()
#define pll pair<ll, ll>
#define mod 1000000007
#define _set tree<pll, null_type, less<pll>, rb_tree_tag, tree_order_statistics_node_update>
using namespace std;
using namespace __gnu_pbds;
vector<ll> v1;
vector<pair<ll, ll>> t;
inline void build(ll v, ll tl, ll tr){
if(tl==tr){
t[v]={v1[tl], -v1[tl]};
}else{
ll tm=(tl+tr)/2;
build(v*2, tl, tm);
build(v*2+1, tm+1, tr);
t[v].ft=t[v*2].ft+t[v*2+1].ft;
t[v].sd=t[v*2].sd+t[v*2+1].sd;
}
}
inline ll query(ll v, ll tl, ll tr, ll l, ll r){
if(tl>r || tr<l)return 0;
if(tl>=l && tr<=r)return t[v].ft;
ll tm=(tl+tr)/2;
return query(v*2, tl, tm, l, r)+query(v*2+1, tm+1, tr, l, r);
}
inline ll query1(ll v, ll tl, ll tr, ll l, ll r){
if(tl>r || tr<l)return 0;
if(tl>=l && tr<=r)return t[v].sd;
ll tm=(tl+tr)/2;
return query1(v*2, tl, tm, l, r)+query1(v*2+1, tm+1, tr, l, r);
}
int besthub(int R, int L, int X[], long long B){
    ll a, b, c, d, e, f;
    a=R;
    b=L;
    c=B;
    t.clear();
    v1.clear();
    t.resize(4*a);
    v1.resize(a);
    for(int i=0; i<a; i++)v1[i]=X[i];
    build(1, 0, a-1);
    ll res=0;
    for(int i=0; i<a; i++){
    ll tl=i, tr=a-1;
    while(tl<=tr){
    ll tm2=(tl+tr)/2, tm=(i+tm2)/2, tm1=tm+1;
    ll// o=query1(1, 0, a-1, i, tm)+(v1[tm]*((tm-i)+1)), o1=query(1, 0, a-1, tm, tm2)-(v1[tm]*((tm2-tm)+1));
    o2=query1(1, 0, a-1, i, tm1)+(v1[tm1]*((tm1-i)+1)), o3=query(1, 0, a-1, tm1, tm2)-(v1[tm1]*((tm2-tm1)+1));
    //cout<<i<<" "<<tl<<" "<<tr<<endl;
    //if(i==2)cout<<o<<" "<<o1<<" "<<tm2<<" "<<tm1<<" "<<tm<<endl;
    //if(o+o1<=c)res=max(res, (tm2-i)+1);
    if(o2+o3<=c)res=max(res, (tm2-i)+1);
    if(o2+o3<=c)tl=tm2+1;
    else tr=tm2-1;
    }
    }
    return res;
}

Compilation message

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:42:11: warning: variable 'b' set but not used [-Wunused-but-set-variable]
   42 |     ll a, b, c, d, e, f;
      |           ^
ricehub.cpp:42:17: warning: unused variable 'd' [-Wunused-variable]
   42 |     ll a, b, c, d, e, f;
      |                 ^
ricehub.cpp:42:20: warning: unused variable 'e' [-Wunused-variable]
   42 |     ll a, b, c, d, e, f;
      |                    ^
ricehub.cpp:42:23: warning: unused variable 'f' [-Wunused-variable]
   42 |     ll a, b, c, d, e, f;
      |                       ^

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 448 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 356 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 444 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 452 KB Output is correct
28 Correct 2 ms 348 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 2 ms 448 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 3 ms 348 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 10 ms 604 KB Output is correct
22 Correct 10 ms 856 KB Output is correct
23 Correct 11 ms 856 KB Output is correct
24 Correct 9 ms 860 KB Output is correct
25 Correct 9 ms 868 KB Output is correct
26 Correct 9 ms 860 KB Output is correct
27 Correct 10 ms 872 KB Output is correct
28 Correct 10 ms 860 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 1884 KB Output is correct
2 Correct 47 ms 1880 KB Output is correct
3 Correct 324 ms 8796 KB Output is correct
4 Correct 317 ms 8792 KB Output is correct
5 Correct 133 ms 4504 KB Output is correct
6 Correct 144 ms 4444 KB Output is correct
7 Correct 322 ms 8652 KB Output is correct
8 Correct 318 ms 8540 KB Output is correct
9 Correct 144 ms 4444 KB Output is correct
10 Correct 143 ms 4440 KB Output is correct
11 Correct 312 ms 8796 KB Output is correct
12 Correct 305 ms 8792 KB Output is correct
13 Correct 137 ms 4444 KB Output is correct
14 Correct 138 ms 4556 KB Output is correct
15 Correct 218 ms 6708 KB Output is correct
16 Correct 217 ms 6744 KB Output is correct
17 Correct 274 ms 8024 KB Output is correct
18 Correct 272 ms 7972 KB Output is correct
19 Correct 302 ms 8280 KB Output is correct
20 Correct 300 ms 8280 KB Output is correct