oj.uz

답안 #30895

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
30895 2017-07-31T12:53:46 Z Navick 중앙값 배열 (balkan11_medians) C++14
100 / 100
 129 ms 12956 KB 
#include <bits/stdc++.h>
#define F first
#define S second
#define pii pair<int, int>
#define pb push_back

using namespace std;

typedef long long ll;
typedef long double ld;

const int N = 2e5 + 10;

set<int> st;

int a[N], b[N];

int main(){
	int n; scanf("%d", &n);
	for(int i=1; i<2*n; i++)
		st.insert(i);

	for(int i=0; i<n; i++){
		scanf("%d", a + i);
		if(i == 0){
			printf("%d ", a[i]);
			st.erase(a[i]);
		}
		else{
			if(st.find(a[i]) != st.end()){
				if(a[i] > a[i - 1]){
					printf("%d ", a[i]);
					st.erase(a[i]);
					printf("%d ", *(st.rbegin()));
					st.erase(*st.rbegin());
				}else if(a[i] < a[i - 1]){
					printf("%d ", a[i]);
					st.erase(a[i]);
					printf("%d ", *(st.begin()));
					st.erase(st.begin());
				}
			}
			else{
				if(a[i] == a[i - 1]){
					printf("%d ", *st.begin());
					st.erase(st.begin());
					printf("%d ", *(st.rbegin()));
					st.erase(*st.rbegin());
				}else if(a[i] < a[i - 1]){
					printf("%d ", *st.begin());
					st.erase(st.begin());
					printf("%d ", *st.begin());
					st.erase(st.begin());
				}else{
					printf("%d ", *st.rbegin());
					st.erase(*st.rbegin());
					printf("%d ", *st.rbegin());
					st.erase(*st.rbegin());
				}
			}
			
		}
	}
}

Compilation message

medians.cpp: In function 'int main()':
medians.cpp:19:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n; scanf("%d", &n);
                        ^
medians.cpp:24:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", a + i);
                     ^

Subtask #1
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 3584 KB Output is correct
2 Correct 0 ms 3584 KB Output is correct
3 Correct 0 ms 3584 KB Output is correct
4 Correct 0 ms 3584 KB Output is correct
5 Correct 0 ms 3584 KB Output is correct
6 Correct 0 ms 3584 KB Output is correct
7 Correct 0 ms 3584 KB Output is correct
8 Correct 0 ms 3584 KB Output is correct
9 Correct 0 ms 3584 KB Output is correct
10 Correct 0 ms 3584 KB Output is correct
11 Correct 0 ms 3584 KB Output is correct
12 Correct 0 ms 3716 KB Output is correct
13 Correct 0 ms 3716 KB Output is correct

Subtask #2
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 3848 KB Output is correct
2 Correct 0 ms 3980 KB Output is correct
3 Correct 9 ms 4376 KB Output is correct
4 Correct 6 ms 5036 KB Output is correct
5 Correct 33 ms 6620 KB Output is correct
6 Correct 99 ms 9656 KB Output is correct
7 Correct 129 ms 12956 KB Output is correct