Submission #573694

#	Time	Username	Problem	Language	Result	Execution time	Memory
573694		moday_morning	A Difficult(y) Choice (BOI21_books)	C++17	Compilation error	0 ms	0 KiB

books

#include <bits/stdc++.h>
#define int long long
#include "books.h"

using namespace std;

map <int, int> mp;
int all(int k, int p) {
	int sum = 0;
	for (int i = 0; i < k; i++) {
		if (mp.find(i + 1 + p) == mp.end()) {
			mp[i + 1 + p] = skim(i + 1 + p);
			sum += mp[i + 1 + p]; 
		}
	}
}

void solve(int N, int K, long long A, int S) {
	int l = 0, r = N - K - 1, ll = 2 * A / K. rr = (K + 1 + A) / K;
	while (l <= r) {
		int mid = (l + r) / 2, lll = all(1, mid), rrr =  all(1, k - 1 + mid);
		if (ll < lll) {
			r = mid;
		}
		else if (rr < rrr) {
			l = mid;
		}
		else {
			int border = all(K, mid);
			if (A * 2 > all(K, mid)) {
				r = mid - 1;
			}
			else if (A > all(K, mid)) {
				l = mid + 1;
			}
			else {
				stack <int> st;
				for (int i = 0; i < K; i++) {
					int pos = mid + i + 1;
					st.push(pos);
				}
				answer(st);
				return;
			}
		}
	}
	l = K;
	r = N - 1;
	while (l <= r) {
		int mid = (l + r) / 2;
		if (A * 2 > (all(K - 1, 0) + all(mid, 1))) {
			r = mid - 1;
		}
		else if (A < (all(K - 1, 0) + all(mid, 1))) {
			l = mid - 1;
		}
		else {
			stack <int> st;
			for (int i = 0; i < K - 1; i++) {
				int pos = i + 1;
				st.push(pos);
			}
			st.push(mid + 1);
			answer(st);
			return;
		}
	}
	impossible();
}

Compilation message (stderr)

books.cpp: In function 'long long int all(long long int, long long int)':
books.cpp:16:1: warning: no return statement in function returning non-void [-Wreturn-type]
   16 | }
      | ^
books.cpp: In function 'void solve(long long int, long long int, long long int, long long int)':
books.cpp:19:44: error: request for member 'rr' in 'K', which is of non-class type 'long long int'
   19 |  int l = 0, r = N - K - 1, ll = 2 * A / K. rr = (K + 1 + A) / K;
      |                                            ^~
books.cpp:21:59: error: 'k' was not declared in this scope
   21 |   int mid = (l + r) / 2, lll = all(1, mid), rrr =  all(1, k - 1 + mid);
      |                                                           ^
books.cpp:25:12: error: 'rr' was not declared in this scope; did you mean 'rrr'?
   25 |   else if (rr < rrr) {
      |            ^~
      |            rrr
books.cpp:42:12: error: could not convert 'st' from 'std::stack<long long int>' to 'std::vector<long long int>'
   42 |     answer(st);
      |            ^~
      |            |
      |            std::stack<long long int>
books.cpp:29:8: warning: unused variable 'border' [-Wunused-variable]
   29 |    int border = all(K, mid);
      |        ^~~~~~
books.cpp:64:11: error: could not convert 'st' from 'std::stack<long long int>' to 'std::vector<long long int>'
   64 |    answer(st);
      |           ^~
      |           |
      |           std::stack<long long int>