Submission #1800693

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Source Code Expand

#include<cstdio>
#include<cmath>
#include<algorithm>

using namespace std;

#define INF 1 << 29

int main(){
	int n, a[100000], d[100000];
	scanf("%d", &n);
	for(int i = 0; i < n; i++) scanf("%d", &a[i]);
	fill(d, d + n, INF); d[0] = 0;
	for(int i = 0; i < n; i++){
		if(i + 1 < n) d[i + 1] = min(d[i + 1], d[i] + abs(a[i] - a[i + 1]));
		if(i + 2 < n) d[i + 2] = min(d[i + 2], d[i] + abs(a[i] - a[i + 2]));
	}
	printf("%d\n", d[n - 1]);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:12:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 0; i < n; i++) scanf("%d", &a[i]);
                                               ^

Judge Result