Submission #575390

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
575390	2022-06-10 10:09:09	Uzouf	A Difficult(y) Choice (BOI21_books)	C++14	Compilation error	0 ms	0 KiB

books

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#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#include"books.h"
using namespace std;
//using namespace __gnu_pbds;
//#define ll long long
//#define endl "\n"
//int mod=1e9+7;
//const int N=2e5+5;
//template<class x>
//using ordered_multiset = tree<x, null_type,less_equal<x>, rb_tree_tag,tree_order_statistics_node_update>;
void solve(int N, int K, long long A, int S) {
  multiset<int> st;
  int v[N];
    for (int i=0;i<N;i++) {
      v[i]=skim(i+1);
      st.insert(v[i]);
    }
    int  a=-1,b=-1,c=-1;
    for (int l=0;l<N;l++) {
      for (int r=l+1;r<N;r++) {
        long long need=A-(v[l]+v[r]+1);
        auto mid=st.upper_bound(need);
        if (mid==st.end()) continue;
        
        if (*mid==v[l]) mid=st.upper_bound(*mid);
        if (mid==st.end()) continue;
 
 
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Compilation message (stderr)

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:37:28: error: 'na' was not declared in this scope; did you mean 'a'?
   37 |         if (chk>=A && chk<=na) {
      |                            ^~
      |                            a