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Submission #29507

# Submission time Handle Problem Language Result Execution time Memory
29507 2017-07-19T14:23:05 Z inqr Rice Hub (IOI11_ricehub) C++14
68 / 100
 39 ms 6316 KB 
#include "ricehub.h"
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define rt insert
#define st first
#define nd second
using namespace std;
vector < int > presum;
int fienum,ans;
long long b;
long long sum(int l,int r){
    if(l==0)return presum[r];
    else return presum[r]-presum[l-1];
}
long long comp(int l,int r,int X[]){
    long long m=(l+r)/2;
    long long lc=m-l,rc=r-m;
    return lc*X[m]-sum(l,m-1)+sum(m+1,r)-rc*X[m];
}
void solve(int s,int X[]){
    int l=s,r=fienum-1;
    while(l<=r){
        int m=(l+r)/2;
        //printf("s=%d l=%d r=%d m=%d comp=%d %d\n",s,l,r,m,comp(s,m,X).st,comp(s,m,X).nd);
        if(comp(s,m,X)<=b){
            l=m+1;
            ans=max(ans,m-s+1);
        }
        else r=m-1;
    }
}
int besthub(int R, int L, int X[], long long B)
{
    fienum=R;b=B;
    presum.resize(R);
    presum[0]=X[0];
    for(int i=1;i<R;i++)presum[i]=presum[i-1]+X[i];
    for(int i=0;i<R;i++){
        solve(i,X);
    }
    return ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 5924 KB Output is correct
2 Correct 0 ms 5924 KB Output is correct
3 Correct 0 ms 5924 KB Output is correct
4 Correct 0 ms 5924 KB Output is correct
5 Correct 0 ms 5924 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 5924 KB Output is correct
2 Correct 0 ms 5924 KB Output is correct
3 Correct 0 ms 5924 KB Output is correct
4 Correct 0 ms 5924 KB Output is correct
5 Correct 0 ms 5924 KB Output is correct
6 Correct 0 ms 5924 KB Output is correct
7 Correct 0 ms 5924 KB Output is correct
8 Correct 0 ms 5924 KB Output is correct
9 Correct 0 ms 5924 KB Output is correct
10 Correct 0 ms 5924 KB Output is correct
11 Correct 0 ms 5924 KB Output is correct
12 Correct 0 ms 5924 KB Output is correct
13 Correct 0 ms 5924 KB Output is correct
14 Correct 0 ms 5924 KB Output is correct
15 Correct 0 ms 5924 KB Output is correct
16 Correct 0 ms 5924 KB Output is correct
17 Correct 0 ms 5924 KB Output is correct
18 Correct 0 ms 5924 KB Output is correct
19 Correct 0 ms 5924 KB Output is correct
20 Correct 0 ms 5924 KB Output is correct
21 Correct 0 ms 5924 KB Output is correct
22 Correct 0 ms 5924 KB Output is correct
23 Correct 0 ms 5924 KB Output is correct
24 Correct 0 ms 5924 KB Output is correct
25 Correct 0 ms 5924 KB Output is correct
26 Correct 0 ms 5924 KB Output is correct
27 Correct 0 ms 5924 KB Output is correct
28 Correct 0 ms 5924 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 5924 KB Output is correct
2 Correct 0 ms 5924 KB Output is correct
3 Correct 0 ms 5924 KB Output is correct
4 Correct 0 ms 5924 KB Output is correct
5 Correct 0 ms 5924 KB Output is correct
6 Correct 0 ms 5924 KB Output is correct
7 Correct 0 ms 5924 KB Output is correct
8 Correct 0 ms 5924 KB Output is correct
9 Correct 0 ms 5924 KB Output is correct
10 Correct 0 ms 5924 KB Output is correct
11 Correct 0 ms 5924 KB Output is correct
12 Correct 0 ms 5924 KB Output is correct
13 Correct 0 ms 5924 KB Output is correct
14 Correct 0 ms 5924 KB Output is correct
15 Correct 0 ms 5924 KB Output is correct
16 Correct 0 ms 5924 KB Output is correct
17 Correct 0 ms 5924 KB Output is correct
18 Correct 0 ms 5924 KB Output is correct
19 Correct 0 ms 5924 KB Output is correct
20 Correct 0 ms 5924 KB Output is correct
21 Correct 0 ms 5924 KB Output is correct
22 Correct 0 ms 5924 KB Output is correct
23 Correct 0 ms 5924 KB Output is correct
24 Correct 3 ms 5924 KB Output is correct
25 Correct 0 ms 5924 KB Output is correct
26 Correct 0 ms 5924 KB Output is correct
27 Correct 0 ms 5924 KB Output is correct
28 Correct 0 ms 5924 KB Output is correct

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6080 KB Output is correct
2 Correct 3 ms 6080 KB Output is correct
3 Correct 33 ms 6316 KB Output is correct
4 Incorrect 39 ms 6316 KB Output isn't correct
5 Halted 0 ms 0 KB -