oj.uz

답안 #977233

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
977233 2024-05-07T14:31:59 Z penguin133 A Difficult(y) Choice (BOI21_books) C++17
0 / 100
 1 ms 344 KB 
#include<vector>
#include<cstdio>
#include<set>
#include<cstdlib>
#include<cstdarg>
#include<cassert>
#include"books.h"
#include <bits/stdc++.h>
using namespace std;
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef long long ll;
 
void solve(int N, int K, long long A, int S) {
    int lo = 1, hi = N, tmp = N + 1;
    while(lo <= hi){
		int mid = (lo + hi) >> 1;
		if(skim(mid) >= A)tmp = mid, hi = mid - 1;
		else lo = mid + 1;
	}
	ll X[K + 1];
	for(int i = 1; i <= K; i++)X[i] = skim(i);
	if(tmp <= N && tmp >= K){
		ll tot = 0;
		for(int i = 1; i <= K - 1; i++)tot += X[i];
		tot += skim(tmp);
		if(tot >= A && tot <= A * 2){
			vector <int> ans;
			for(int i = 1; i <= K - 1; i++)ans.push_back(i);
			ans.push_back(tmp);
			answer(ans);
			return;
		}
	}
	tmp--;
	if(tmp < K){
		impossible();
		return;
	}
	ll back[K + 1];
	for(int i = tmp; i >= tmp - K + 1; i--)back[tmp - i + 1] = skim(i);
	ll tot = 0;
	for(int i = 1; i <= K; i++)tot += X[i];
	int cur = 0;
	while(tot < A && cur < K && tmp - cur + 1 >= K + 1){
		cur++;
		tot += back[cur] - X[cur];
	}
	if(tot >= A && tot <= A * 2){
		vector <int> ans;
		for(int i = 1; i <= cur; i++)ans.push_back(i);
		for(int i = tmp - K + cur + 1; i <= tmp; i++)ans.push_back(i);
		answer(ans);
	}
	else impossible();
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Incorrect 0 ms 344 KB Incorrect
4 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Incorrect 0 ms 344 KB Incorrect
4 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Incorrect 0 ms 344 KB Incorrect
9 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Incorrect 0 ms 344 KB Incorrect
9 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Incorrect 0 ms 344 KB Incorrect
9 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Incorrect 0 ms 344 KB Incorrect
9 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Incorrect 0 ms 344 KB Incorrect
9 Halted 0 ms 0 KB -