Submission #1360811

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Source Code Expand

#include <bits/stdc++.h>
#define maxN 100002
using namespace std;

//FILE *fin = freopen("b.in", "r", stdin);

int n, a[maxN];

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

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:13:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a[i]);
                           ^

Judge Result