Submission #4735

#	Time	Username	Problem	Language	Result	Execution time	Memory
4735		ainta	medians (balkan11_medians)	C++98	100 / 100	109 ms	12108 KiB

medians

#pragma warning(disable:4996)
#include<stdio.h>
#include<algorithm>
#include<set>
using namespace std;
int n, w[200010];
int p[200010];
set<int>Set;
set<int>::iterator it, it2;
int main()
{
    int a, b, i;
    scanf("%d", &n);
    for (i = 1; i <= 2*n-1; i++)
        Set.insert(i);
    for (i = 1; i <= n; i++){
        scanf("%d", &a);
        if (i == 1){
            printf("%d ", a);
            Set.erase(Set.find(a));
            b = a;
            continue;
        }
        if (Set.find(a) != Set.end()){
            Set.erase(Set.find(a));
            printf("%d ", a);
            if (a < b)it = Set.begin();
            else it = Set.end(), it--;
            printf("%d ", *it);
            Set.erase(it);
            b = a;
            continue;
        }
        if (a <= b)it = Set.begin();
        else it = Set.end(), it--;
        printf("%d ", *it);
        Set.erase(it);
        if (a < b)it = Set.begin();
        else it = Set.end(), it--;
        printf("%d ", *it);
        Set.erase(it);
        b = a;
    }
    return 0;
}

Compilation message (stderr)

medians.cpp:1:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning(disable:4996)
 ^
medians.cpp: In function 'int main()':
medians.cpp:13:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
medians.cpp:17:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a);
                        ^

• Subtask 1: 65 / 65
• Subtask 2: 35 / 35