Submission #1136587

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Source Code Expand

#include<bits/stdc++.h>
typedef long long ll;
const int p=1e9+7;
int n,t,ans=1;
int main()
{
    scanf("%d",&n);
    for(int i=1,x;i<=n;++i)
    {
        scanf("%d",&x),++t;
        if(x<2*t-1)ans=(ll)ans*t--%p;
    }
    while(t)ans=(ll)ans*t--%p;
    printf("%d\n",ans);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
./Main.cpp:10:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&x),++t;
                           ^

Judge Result