Submission #1356139

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int n, x;
int arr[200100];

int main() {
    int i;
    scanf("%d%d",&n,&x);
    if (x>1&&x<2*n-1) {
        printf("Yes\n");
        arr[n-1] = x;
        int p = 1;
        for (i=n;i<2*n-1;i++) {
            if (p==x) p++;
            arr[i] = p++;
        }
        p = 2*n-1;
        for (i=n-2;i>=0;i--) {
            if (p==x) p--;
            arr[i] = p--;
        }
        for (i=0;i<2*n-1;i++) printf("%d\n",arr[i]);
    }
    else printf("No\n");
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&x);
                        ^

Judge Result