Submission #826152

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Source Code Expand

#include <cstdio>

#include <cmath>

#include <cstring>

#include <iostream>

#include <algorithm>

#include <queue>

#include <vector>

#include <map>



using namespace std;



typedef long long LL;


int n;
int len,a[100005];
LL sum;
int l,r;
bool flag;
int ans[100005];

int main()

{
	scanf("%d%d",&n,&len);
	for (int i=1;i<=n;++i) scanf("%d",&a[i]);
	sum=0;
	for (int i=1;i<=n;++i) sum+=a[i];
	flag=true;
	l=1;r=n;
	for (int z=1;z<n;++z)
	{
		if (sum>=len)
		{
			if (a[l]<=a[r])
			{
				ans[z]=l;
				sum-=a[l];
				l++;
			}
			else
			{
				sum-=a[r];
				ans[z]=r-1;
				r--;
			}
		}
		else
		{
			flag=false;
		}
	}
	if (flag)
	{
		printf("Possible\n");
		for (int i=1;i<n;++i) printf("%d\n",ans[i]);
	}
	else
	{
		printf("Impossible\n");
	}

	return 0;

}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:36:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&len);
                       ^
./Main.cpp:37:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for (int i=1;i<=n;++i) scanf("%d",&a[i]);
                                          ^

Judge Result