Submission #1595305

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;

int N;
int sum[100010] = {0};

int main()
{
    scanf("%d",&N);
    for(int i = 0; i < N; i++)
    {
        int n;
        scanf("%d",&n);
        sum[n + 1]++;// 1
    }
    int ans = 0;
    for(int i = 1; i <= 100000; i++)
    {
        ans = max(ans,sum[i - 1] + sum[i] + sum[i + 1]);
    }
    printf("%d\n",ans);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&N);
                   ^
./Main.cpp:13:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&n);
                       ^

Judge Result