Submission #14215

#	Time	Username	Problem	Language	Result	Execution time	Memory
14215		Fakeable	medians (balkan11_medians)	C++98	100 / 100	33 ms	1312 KiB

medians

#include<cstdio>
bool chk[200200];
int main()
{
    int n,front;
    scanf("%d",&n);
    int left=1, right=2*n-1;
    scanf("%d",&front);
    printf("%d ",front);
    chk[front]=true;
    int mid=front;
    for(int i=1;i<n;i++) {
        scanf("%d",&front);
        if(!chk[front]) {
            printf("%d ",front);
            chk[front]=true;
            if(front<mid) {
                while(chk[left]) left++;
                chk[left]=true;
                printf("%d ",left);
            }
            else {
                while(chk[right]) right--;
                chk[right]=true;
                printf("%d ",right);
            }
        }
        else if(front==mid) {
            while(chk[left]) left++;
            while(chk[right]) right--;
            chk[left]=chk[right]=true;
            printf("%d %d ",left,right);
        }
        else if(front<mid) {
            while(chk[left]) left++;
            chk[left]=true;
            printf("%d ",left);
            while(chk[left]) left++;
            chk[left]=true;
            printf("%d ",left);
        }
        else {
            while(chk[right]) right--;
            chk[right]=true;
            printf("%d ",right);
            while(chk[right]) right--;
            chk[right]=true;
            printf("%d ",right);
        }
        mid=front;
    }
    return 0;
}

Compilation message (stderr)

medians.cpp: In function 'int main()':
medians.cpp:6:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
medians.cpp:8:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&front);
                       ^
medians.cpp:13:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&front);
                           ^

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