oj.uz

Submission #1009369

# Submission time Handle Problem Language Result Execution time Memory
1009369 2024-06-27T12:14:01 Z Mardonbekhazratov Rice Hub (IOI11_ricehub) C++17
100 / 100
 338 ms 8508 KB 
#include "ricehub.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;

multiset<int>lept,rigt;
ll s1,s2;

void fix(){
    int sz=lept.size()+rigt.size();
    while(lept.size()>(sz+1)/2){
        int x=*lept.rbegin();
        rigt.insert(x);
        lept.erase(lept.find(x));
        s1-=x;
        s2+=x;
    }
    while(rigt.size()>sz/2){
        int x=*rigt.begin();
        lept.insert(x);
        rigt.erase(rigt.find(x));
        s1+=x;
        s2-=x;
    }
}

void ins(int x){
    if(lept.empty()){
        lept.insert(x);
        s1+=x;
        return;
    }
    int mid=*lept.rbegin();
    if(x>mid) rigt.insert(x),s2+=x;
    else lept.insert(x),s1+=x;
    fix();
}

void erase(int x){
    int mid=*lept.rbegin();
    if(x>mid) rigt.erase(rigt.find(x)),s2-=x;
    else lept.erase(lept.find(x)),s1-=x;
    fix();
}

int besthub(int R, int L, int X[], long long B){
    int l=1,r=R+1;
    while(r-l>1){
        int mid=(l+r)/2;
        bool ok=false;
        s1=0,s2=0;
        for(int i=0;i<R;i++){
            ins(X[i]);
            if(i>=mid) erase(X[i-mid]);
            if(i>=mid-1){
                ll x=*lept.rbegin();
                ok=ok?ok:(ll)lept.size()*x-s1+s2-(ll)rigt.size()*x<=B;
            }
        }
        multiset<int>g,j;
        swap(g,lept);
        swap(j,rigt);
        if(ok) l=mid;
        else r=mid;
    }
    return l;
}

Compilation message

ricehub.cpp: In function 'void fix()':
ricehub.cpp:11:22: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   11 |     while(lept.size()>(sz+1)/2){
      |           ~~~~~~~~~~~^~~~~~~~~
ricehub.cpp:18:22: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |     while(rigt.size()>sz/2){
      |           ~~~~~~~~~~~^~~~~

Subtask #1
17.0 / 17.0

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

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 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 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 448 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 444 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 440 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 348 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 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 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 1 ms 348 KB Output is correct
8 Correct 1 ms 348 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 448 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 8 ms 604 KB Output is correct
22 Correct 8 ms 608 KB Output is correct
23 Correct 7 ms 604 KB Output is correct
24 Correct 7 ms 604 KB Output is correct
25 Correct 8 ms 600 KB Output is correct
26 Correct 8 ms 604 KB Output is correct
27 Correct 8 ms 604 KB Output is correct
28 Correct 8 ms 604 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 860 KB Output is correct
2 Correct 40 ms 1112 KB Output is correct
3 Correct 315 ms 8272 KB Output is correct
4 Correct 333 ms 8376 KB Output is correct
5 Correct 139 ms 3928 KB Output is correct
6 Correct 139 ms 3932 KB Output is correct
7 Correct 336 ms 8072 KB Output is correct
8 Correct 327 ms 8020 KB Output is correct
9 Correct 160 ms 4180 KB Output is correct
10 Correct 152 ms 4104 KB Output is correct
11 Correct 316 ms 8340 KB Output is correct
12 Correct 338 ms 8508 KB Output is correct
13 Correct 129 ms 4188 KB Output is correct
14 Correct 135 ms 4188 KB Output is correct
15 Correct 224 ms 6712 KB Output is correct
16 Correct 233 ms 6740 KB Output is correct
17 Correct 280 ms 7764 KB Output is correct
18 Correct 285 ms 7760 KB Output is correct
19 Correct 310 ms 7936 KB Output is correct
20 Correct 313 ms 8020 KB Output is correct