Submission #4061102

---

Source Code Expand

#include<cstdio>
#include<algorithm>

using namespace std;

int n;
int a[105];
bool flag[105];
int ans;

int main()
{
	scanf("%d",&n);
	for(int i = 1;i <= n; i++){
		scanf("%d",&a[i]);
		flag[a[i]] = 1;
	}
	for(int i = 1;i <= 100; i++){
		if(flag[i]) ans++;
	}
	printf("%d\n",ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:15:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
                    ^

Judge Result