Submission #1763938

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Source Code Expand

#include<bits/stdc++.h>
#define REP(x,y,z) for(int x=y;x<=z;x++)
#define FORD(x,y,z) for(int x=y;x>=z;x--)
#define MSET(x,y) memset(x,y,sizeof(x))
#define FOR(x,y) for(__typeof(y.begin()) x=y.begin();x!=y.end();x++)
#define F first
#define S second
#define MP make_pair
#define PB push_back
#define SZ size()
#define M 2005
void RI(){}
template<typename... T>
void RI( int& head, T&... tail ) {
    scanf("%d",&head);
    RI(tail...);
}
using namespace std;
typedef long long LL;
int n,z,w;
int in[M],dp[2][M][M];
int main()
{
	while(~scanf("%d %d %d",&n,&z,&w))
	{
		REP(i,1,n) RI(in[i]);
		if(n==1) {
			printf("%d\n", abs(in[n]-w));
			continue;
		}
		printf("%d\n", max(
			abs(in[n] - in[n-1]),
			abs(in[n] - w)
		));
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void RI(int&, T& ...) [with T = {}]’:
./Main.cpp:15:5: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&head);
     ^

Judge Result