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Submission #825115

# Submission time Handle Problem Language Result Execution time Memory
825115 2023-08-14T14:31:01 Z alvingogo Radio Towers (IOI22_towers) C++17
0 / 100
 466 ms 1824 KB 
#include "towers.h"
#include <bits/stdc++.h>
#define fs first
#define sc second
#define p_q priority_queue
using namespace std;

vector<int> v,pre;
void init(int n, vector<int> h) {
    v=h;
    pre.resize(n);
    for(int i=1;i+1<n;i++){
        if(v[i]<v[i-1] && v[i]<v[i+1]){
            pre[i]=1;
        }
    }
    for(int i=1;i<n;i++){
        pre[i]+=pre[i-1];
    }
}

int max_towers(int l, int r, int d) {
    if(l==r){
        return 1;
    }
    int u=pre[r];
    if(l){
        u-=pre[l-1];
    }
    if(v[l]<v[l+1]){
        u++;
    }
    if(v[r]<v[r-1]){
        u++;
    }
    return u;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 287 ms 1232 KB 2nd lines differ - on the 1st token, expected: '1', found: '2'
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: '16'
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: '16'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 466 ms 1824 KB 2nd lines differ - on the 1st token, expected: '4770', found: '4771'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 184 ms 652 KB 1st lines differ - on the 1st token, expected: '7197', found: '8004'
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: '16'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 287 ms 1232 KB 2nd lines differ - on the 1st token, expected: '1', found: '2'
2 Halted 0 ms 0 KB -