Submission #1221226

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Source Code Expand

#include<stdio.h>

int main(int argc, char const *argv[]){
	long n,i,a,ans=0,f=0,p;
	scanf("%ld",&n);
	for(i=0;i<n;i++){
		scanf("%ld",&a);
		if(f==0){
			f=1;
			ans++;
			p=a;
		}else if(f==1){
			if(p>a){
				f=2;
				p=a;
			}else if(p<a){
				f=3;
				p=a;
			}
		}else if(f==2){
			if(p<a){
				f=1;
				ans++;
			}
			p=a;
		}else if(f==3){
			if(p>a){
				f=1;
				ans++;
			}
			p=a;
		}
	}
	printf("%ld\n",ans);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:5:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%ld",&n);
  ^
./Main.c:7:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%ld",&a);
   ^

Judge Result