Submission #1605328

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Source Code Expand

#include <stdio.h>

#define REP(i,n) for(int i=0;i<(n);i++)

int maxs(int &a, const int &b){
	if(a < b) a = b;
	return a;
}

int n, table[110000], max, ans;

int main(void){
	scanf("%d", &n);
	REP(i, n){
		int a;
		scanf("%d", &a);
		table[a - 1]++;
		table[a]++;
		table[a + 1]++;
		maxs(max, a);
	}
	REP(i, max) maxs(ans, table[i]);
	printf("%d\n", ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:16:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a);
                  ^

Judge Result