Submission #1092483

---

Source Code Expand

#include <cstdlib>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <queue>
#include <cmath>
#include <stack>
#include <map>
#include <set>
#include <deque>
#include <cstring>
#include <functional>
#include <climits>
#include <list>
#include <ctime>
#include <complex>
 
#define F1(x,y,z) for(int x=(y);x<(z);x++)
#define F2(x,y,z) for(int x=(y);x<=(z);x++)
#define F3(x,y,z) for(int x=(y);x>(z);x--)
#define F4(x,y,z) for(int x=(y);x>=(z);x--)
#define mp make_pair
#define pb push_back
#define LL long long
#define co complex<double>
#define fi first
#define se second
 
#define MAX 100005
#define AMAX 1025*1005
#define MOD 1000000007
 
#define f(c,d) ((1<<(c))*(d))
 
using namespace std;
 
LL n,x[MAX],s,ta,tb,tc;
 
int main(){
	scanf("%lld",&n);
	F1(a,0,n){
		scanf("%lld",x+a);
		s+=x[a];
	}
	ta=n*(n+1)/2;
	if(n==1)printf("YES\n");
	else if(s%ta)printf("NO\n");
	else{
		ta=s/ta;
		F1(a,0,n){
			tb=ta-(x[(a+1)%n]-x[a]);
			if(tb%n||tb<0)tc=LLONG_MIN;
			else tc+=tb/n;			
		}
		if(tc==ta)printf("YES\n");
		else printf("NO\n");
	}
	#ifdef LOCAL_PROJECT
	system("pause");
	#endif
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:40:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
                  ^
./Main.cpp:42:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",x+a);
                    ^

Judge Result