Submission #1869689

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Source Code Expand

#include <iostream>
using namespace std;
int n, c, a[100005];
int main() {
	int i;
	scanf("%d", &n);
	if(n==1) {puts("1"); return 0;}
	for(i=0; i<n; i++) scanf("%d", &a[i]);
	for(i=1; i<n; i++) {
		if(a[i] - a[i-1] > 0) {
			c++;
			for(; a[i] - a[i-1] >= 0; i++);
		} else if(a[i] - a[i-1] < 0) {
			c++;
			for(; a[i] - a[i-1] <= 0; i++);
		}
		if(i==n-1) c++;
	}
	printf("%d", c);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:8:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(i=0; i<n; i++) scanf("%d", &a[i]);
                                       ^

Judge Result