제출 #573727

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
573727		moday_morning	A Difficult(y) Choice (BOI21_books)	C++17	컴파일 에러	0 ms	0 KiB

books

#include <bits/stdc++.h>
#include "books.h"
#include "grader.cpp"
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 {
			if (A * 2 > all(K, mid)) {
				r = mid - 1;
			}
			else if (A > all(K, mid)) {
				l = mid + 1;
			}
			else {
				vector <int> st;
				for (int i = 0; i < K; i++) {
					int pos = mid + i + 1;
					st.push_back(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 {
			vector <int> st;
			for (int i = 0; i < K - 1; i++) {
				int pos = i + 1;
				st.push_back(pos);
			}
			st.push_back(mid + 1);
			answer(st);
			return;
		}
	}
	impossible();
}

컴파일 시 표준 에러 (stderr) 메시지

books.cpp: In function 'int all(int, int)':
books.cpp:15:1: warning: no return statement in function returning non-void [-Wreturn-type]
   15 | }
      | ^
/usr/bin/ld: /tmp/ccNqHehY.o: in function `safely_read_int()':
grader.cpp:(.text+0x0): multiple definition of `safely_read_int()'; /tmp/ccg5DJqV.o:books.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccNqHehY.o: in function `safely_read_ll()':
grader.cpp:(.text+0x50): multiple definition of `safely_read_ll()'; /tmp/ccg5DJqV.o:books.cpp:(.text+0x50): first defined here
/usr/bin/ld: /tmp/ccNqHehY.o: in function `answer(std::vector<int, std::allocator<int> >)':
grader.cpp:(.text+0xa0): multiple definition of `answer(std::vector<int, std::allocator<int> >)'; /tmp/ccg5DJqV.o:books.cpp:(.text+0xa0): first defined here
/usr/bin/ld: /tmp/ccNqHehY.o: in function `impossible()':
grader.cpp:(.text+0x160): multiple definition of `impossible()'; /tmp/ccg5DJqV.o:books.cpp:(.text+0x160): first defined here
/usr/bin/ld: /tmp/ccNqHehY.o: in function `skim(int)':
grader.cpp:(.text+0x1a0): multiple definition of `skim(int)'; /tmp/ccg5DJqV.o:books.cpp:(.text+0x1a0): first defined here
/usr/bin/ld: /tmp/ccNqHehY.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccg5DJqV.o:books.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status