Submission #1865015

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Source Code Expand

#include<cstdio>
#include<cstring>
#include<algorithm>
#include<set>
#define rep(i,a,b) for(int i=(a);i<=(b);i++)
#define per(i,a,b) for(int i=(a);i>=(b);i--)
using namespace std;
const int N=10005;
int a[N];
int main()
{
	int n;scanf("%d",&n);int x;scanf("%d",&x);a[1]=x;int ans=0;
	rep(i,2,n)
	{
		scanf("%d",&x);int cnt=i;
		rep(j,1,i-1)if(a[j]>x){cnt=j;break;}
		int res1=i-cnt,res2=max(0,a[i-1]-x);
		if(res1>res2)
		{
			a[i]=max(a[i-1],x);
			ans+=max(0,a[i-1]-x);	
		}
		else
		{
			per(j,i-1,cnt)a[j+1]=a[j];
			a[cnt]=x;
			ans+=res1;
		}
	}
	printf("%d\n",ans);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  int n;scanf("%d",&n);int x;scanf("%d",&x);a[1]=x;int ans=0;
                      ^
./Main.cpp:12:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  int n;scanf("%d",&n);int x;scanf("%d",&x);a[1]=x;int ans=0;
                                           ^
./Main.cpp:15:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x);int cnt=i;
                 ^

Judge Result