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Submission #780973

# Submission time Handle Problem Language Result Execution time Memory
780973 2023-07-12T15:12:46 Z Mouad_ouj Radio Towers (IOI22_towers) C++17
0 / 100
 591 ms 1452 KB 
#include "towers.h" //sub1
#include <bits/stdc++.h>
using namespace std;
vector<int> he;
int k=-1;
void init (int n,vector<int> h)
{
    he.resize(n);
    for(int x=0;x<n;x++)
    {
    he[x]=h[x];
    if(h[x]>h[x+1] && x!=n && k==-1)
    k=x;
    }
    if(h[n-1]>h[n-2])
    k=n-1;
}
int max_towers(int l, int r, int d)
{
    if(l==r)
    return 1;
    if(k>r || k<l || he[r]>he[k]-d || he[l]>he[k]-d)
    return 0;
    int ml=k,mr=r;
    while(ml!=mr)
    {
        int mid=(ml+mr)/2;
        if(he[mid]>he[k]-d)
        ml=mid+1;
        else
        mr=mid;
    }
    int a1=mr,a2=0;
    ml=l,mr=k;
    while(ml!=mr)
    {
        int mid=(ml+mr)/2;
        if(he[mid]<he[k]-d)
        ml=mid+1;
        else
        mr=mid;
    }
    a2=mr;
    return ((r-a1+1)*(a2-l));
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 389 ms 976 KB 1st lines differ - on the 1st token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 208 KB 1st lines differ - on the 1st token, expected: '13', found: '0'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 208 KB 1st lines differ - on the 1st token, expected: '13', found: '0'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 591 ms 1452 KB 1st lines differ - on the 1st token, expected: '11903', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 252 ms 556 KB 1st lines differ - on the 1st token, expected: '7197', found: '0'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 208 KB 1st lines differ - on the 1st token, expected: '13', found: '0'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 389 ms 976 KB 1st lines differ - on the 1st token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -