Submission #2411796

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>

using namespace std;

int main()
{
	int n, a[100001];
	scanf("%d", &n);
	for(int i=0; i<n; i++){
		scanf("%d", &a[i]);
	}
	sort(a, a+n);
	if(a[n-1]-a[0]>1){
		printf("%s\n", "No");
	}else if(a[n-1]-a[0]==1){
		int k=0;
		for(int i=0; i<n; i++){
			if(a[i]==a[0]) k++;
		}
		if(n-a[n-1]+1<=n-k && n-k<=2*(n-a[n-1])){
			printf("%s\n", "Yes");
		}else{
			printf("%s\n", "No");
		}
	}else{
		if(2*a[0]<=n || a[0]==n-1){
			printf("%s\n", "Yes");
		}else{
			printf("%s\n", "No");
		}
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:17:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
                     ^

Judge Result