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Submission #531371

# Submission time Handle Problem Language Result Execution time Memory
531371 2022-02-28T14:28:59 Z physics07 A Difficult(y) Choice (BOI21_books) C++17
0 / 100
 3 ms 200 KB 
#include <bits/stdc++.h>
#include "books.h"
using namespace std;
typedef long long ll;
ll adj[100001];
vector<int> ans;
void solve(int n, int k, ll a, int s) {
    for(int i=1; i<=n; i++) adj[i]=skim(i);
    int p=lower_bound(adj+1, adj+n+1, a)-adj;
    p--;
    if(p<=k-2) impossible();
    if(p==k-1) {
        ll sum=0;
        for(int i=1; i<=p+1; i++) {
            sum+=adj[i];
            ans.push_back(i);
        }
        if(sum>=a && sum<=a*2) answer(ans);
        else impossible();
    }
    ll sum=0;
    for(int i=1; i<=k; i++) sum+=adj[k];
    int idx=k+1;
    while(idx<=p && sum<a) {
        sum-=adj[idx-k];
        sum+=adj[idx];
        idx++;
    }
    if(sum<a || sum>2*a) impossible();
    for(int i=idx-k; i<idx; i++) ans.push_back(i);
    answer(ans);
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 200 KB Incorrect
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 200 KB Incorrect
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 200 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 200 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 200 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 200 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 200 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -